diff --git a/Documentation/Kirk's Notes.txt b/Documentation/Kirk's Notes.txt index fdd496f..5795e46 100644 --- a/Documentation/Kirk's Notes.txt +++ b/Documentation/Kirk's Notes.txt @@ -83,3 +83,25 @@ However, it gives a good idea of what the state of the art was for ground statio // 2000 - FM-1: QPSK [20, p.8] // 2003 - Intelsat general: 16QAM standards created? [29, p.C-1] // 2013 - FM-6: QPSK in legacy mode or 8PSK in overlay mode [20, p.8] + +RA noise figures +Historical noise figures are typically given for the whole system at a given elevation (7.5 degrees) +RA attempts to add noise based on body noise, antenna elevation, etc. +So, find the noise RA adds and remove it from historical figures to get antenna noise in isolation +L-band: +elevation - atmo noise - body noise +90 2 0 +60 2 0 +45 3 0 +30 4 0 +15 8 0 +7.5 16 0 + +C-band: +elevation - atmo noise - body noise +90 29 0 +60 33 0 +45 40 0 +30 55 0 +15 96 0 +7.5 155 0 \ No newline at end of file diff --git a/Documentation/citations.txt b/Documentation/citations.txt index 1576653..129aa05 100644 --- a/Documentation/citations.txt +++ b/Documentation/citations.txt @@ -58,4 +58,10 @@ List of sources and citations used for Skopos, in no particular order [29] Intelsat Earth Station Standards Document IESS-316, 2020 https://www.intelsat.com/wp-content/uploads/2020/08/iess-316e.pdf [30] Modern Soviet Civil Telecommunications, 1986 - https://www.cia.gov/readingroom/document/cia-rdp92b00181r000300270038-8 \ No newline at end of file + https://www.cia.gov/readingroom/document/cia-rdp92b00181r000300270038-8 +[31] Lenkurt Demodulator May/June 1979 + https://www.worldradiohistory.com/Archive-Company-Publications/Lenkurt-Demodulator/Lenkurt-Demodulator-1979-05-06-Part-II.pdf +[32] Satellite Communications, 2018 + https://itso.int/wp-content/uploads/2018/04/Presentation-by-Intelsat.pdf +[33] Syncom Engineering report Volume II, 1967 + https://ntrs.nasa.gov/api/citations/19670015715/downloads/19670015715.pdf \ No newline at end of file diff --git a/GameData/Skopos/telecom.cfg b/GameData/Skopos/telecom.cfg index 7c94832..ffb8a58 100644 --- a/GameData/Skopos/telecom.cfg +++ b/GameData/Skopos/telecom.cfg @@ -7,12 +7,10 @@ // Using MARISAT as basis, downlink at 1.535 GHz and uplink at 1.660 GHz // Put allocation in the middle Frequency = 1.5975e9 - //192 MHz so we get the same rate halvings as C-Band, comparable to ~200 MHz available to Molniya - ChannelWidth = 192e6 + //128 MHz so we get the same rate halvings as C-Band, comparable to ~200 MHz available to Molniya + ChannelWidth = 128e6 } -} -@RealAntennasCommNetParams:AFTER[RealAntennas] { BandInfo { name = C (Wideband) TechLevel = 3 @@ -21,24 +19,53 @@ // We should not allow more than 2 GHz (half the band); RA does not separate // uplink and downlink, the downlink would usually be in the 4 GHz range and // the uplink in the 6 GHz range. - // The value 1.536 GHz is chosen as 256 times the width of an NTSC channel, - // so that a single TV channel is within the reach of the halvings allowed - // at Tech Level 3. - // For comparison, the Telstar 400s had 24 C band transponders of 36 MHz - // each, for a total of 864 MHz. - ChannelWidth = 1.536e9 + + //Standard ITU C-band fixed satellite service allocations. 500 MHz uplink, 500 MHz downlink. [32, p.4] + //make it 1024 so rate halvings divide evenly + ChannelWidth = 1.024e9 } -} -@RealAntennasCommNetParams:AFTER[RealAntennas] { BandInfo { name = Ku (Wideband) TechLevel = 6 - // Put the allocation just above 12 GHz. - Frequency = 12.6e9 - // ITU allocates downlink between 10.75-12.75 GHz, and uplink between 14-14.5 GHz (depending on region) - // Frequency allocation broadly the same as C-band at 500 MHz wide for fixed satellite service. - ChannelWidth = 1.536e9 + // Put the allocation just at 12 GHz. + Frequency = 11.95e9 + // ITU allocates US downlink between 11.70-12.20 GHz, and uplink between 14.0-14.5 GHz + + //Standard ITU Ku-band fixed satellite service allocations. 500 MHz uplink, 500 MHz downlink. [32, p.4] + //make it 1024 so rate halvings divide evenly + ChannelWidth = 1.024e9 + } +} + +@RealAntennasCommNetParams:AFTER[RealAntennas] { + EncoderInfo + { + name = None - Syncom Voice + // Syncom voice FMFB reciever threshold at 6 db C/N [4, p.8-6]. Pretty bad (>1e-3 BER), but enough for voice. Mostly just for Kingsport because it is extremely marginal with Syncom. + TechLevel = -1 + CodingRate = 1 + RequiredEbN0 = 6 + } + EncoderInfo + { + name = None - Early Comsat + // 10 db C/N pretty standard for most commsats operating with analog channels. BER ~1e-5, enough for analog TV, voice, facsimile, etc. + // In reality this was the bare minimum when operating at full bandwidth (voice). Actual error-sensitive applications (TV and data) would + // dump all the channel power into a narrower (~6 MHz for TV) channel to improve C/N and reduce error rate + // Since we're just using this to simulate analog within RA's digital system, just ask for the entire channel at the bare minimum error rate + // (using digital data rate to set analog channel width). + TechLevel = -1 + CodingRate = 1 + RequiredEbN0 = 6 + } + EncoderInfo + { + name = None - 70s Comsat + //11.4 db C/N for a BER of ~1e-7 in SPADE BPSK mode [31, p.9]. Intelsat standard from Intelsat IV to digital era. + TechLevel = -1 + CodingRate = 1 + RequiredEbN0 = 11.4 } } @@ -66,8 +93,9 @@ skopos_telecom { referenceGain = 58 //same antenna as C-band, just operating in L-band referenceFrequency = 4768 TxPower = 63 // 2 kW. - AMWTemp = 230 //Based on Syncom AN/FSC-9 terminals [4, p.8-10] + AMWTemp = 214 //230K-16K. Based on Syncom AN/FSC-9 terminals [4, p.8-10]. -16K for RA atmo noise ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } Antenna { @@ -79,6 +107,7 @@ skopos_telecom { TxPower = 63 // 2 kW. AMWTemp = 32 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} //Modified 1964 in preparation for Early Bird [4, p.10-43] UPGRADE @@ -114,35 +143,28 @@ skopos_telecom { lon = -119.11629128719811 alt = 50 role = trx - //Ground station performance data [4] - //L-band for Relay and Syncom - //Using stats from Mojave Terminal [4, p.7-8] + //L-band for Syncom [33, p.129] Antenna { TechLevel = 3 RFBand = L (Wideband) - referenceGain = 49.1 - referenceFrequency = 1597.5 - TxPower = 70 // 10 kW. - AMWTemp = 360 + referenceGain = 51.5 //85 ft antenna gain at 1814 MHz [33, p.142] + referenceFrequency = 1814 + TxPower = 59.5 //Using Mojave transmitter [4, p.7-8]. Correct for EIRP: 111 dbm-51.5 dbi = 59.5 dbm + AMWTemp = 30 //37.7K @ 15 degrees, ~30K at zenith [33, p.132] ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } + //85 ft antenna operating in C-band (ahistorical, but filling in for various other Califonia stations) Antenna { TechLevel = 3 RFBand = C (Wideband) - // Gain of the 85 ft UHF dish from NASA TR R-252, p. 125. - // [OH64] give this as 51.2 instead. - // Note that we change this to C band. - referenceGain = 51.5 + referenceGain = 59.5 //85 ft antenna, assume 55% efficiency in C-band (same as early bird terminals) referenceFrequency = 4768 - // Power of the Mojave UHF transmitter from NASA SP-76, p. 362. - // We conflate Mojave (Trx in Relay and ATS) and point Mugu (Rx in - // Syncom), it’s not like the 130 km make a difference. - TxPower = 70 // 10 kW. - // Temperature of the UHF receiving system. - // 40 K in [OH64]. - AMWTemp = 38 + TxPower = 65 // same as early bird terminals [4, p.10-43] + AMWTemp = 50 // same as early bird terminals [4, p.10-43] ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added ~1985 for Intelsat V? [5, p.IV-7] UPGRADE @@ -176,6 +198,7 @@ skopos_telecom { TxPower = 63 // 2 kW. AMWTemp = 75 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK modem added 1966 for ATS-1/3 testing [4, p.13-10] UPGRADE @@ -199,6 +222,7 @@ skopos_telecom { TxPower = 60 // 1 kW. Actually transmitted at 31.65 GHz? AMWTemp = 1000 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } } @@ -220,6 +244,7 @@ skopos_telecom { TxPower = 70 // 10 kW. AMWTemp = 50 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added ~1985 for Intelsat V? [5, p.IV-7] UPGRADE @@ -253,6 +278,7 @@ skopos_telecom { TxPower = 67.8 //6 kW AMWTemp = 50 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added ~1985 for Intelsat V? [5, p.IV-7] UPGRADE @@ -286,6 +312,7 @@ skopos_telecom { TxPower = 67.8 //6 kW AMWTemp = 50 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added ~1985 for Intelsat V? [5, p.IV-7] UPGRADE @@ -320,6 +347,7 @@ skopos_telecom { TxPower = 65 AMWTemp = 120 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - 70s Comsat TARGET {} } //Ground station performance data [12, p.252] @@ -331,6 +359,7 @@ skopos_telecom { TxPower = 65 AMWTemp = 288 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - 70s Comsat TARGET {} } } @@ -352,6 +381,7 @@ skopos_telecom { TxPower = 65 AMWTemp = 288 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - 70s Comsat TARGET {} } } @@ -374,6 +404,7 @@ skopos_telecom { TxPower = 65 //3 kW AMWTemp = 56 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - 70s Comsat TARGET {} } //Using 5-meter SBS Ku-band antenna at WD 44 Franklin Lakes as basis for commercial Ku-band stations [6, p.88] @@ -381,10 +412,11 @@ skopos_telecom { TechLevel = 7 //first SBS antennas deployed by 1978, SBS 1 launched 1980. RFBand = Ku (Wideband) referenceGain = 53.9 - referenceFrequency = 12600 + referenceFrequency = 11950 TxPower = 65 AMWTemp = 225 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - 70s Comsat TARGET {} } } @@ -406,6 +438,7 @@ skopos_telecom { TxPower = 65 //3 kW AMWTemp = 78 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - 70s Comsat TARGET {} } //Using 5-meter SBS Ku-band antenna at WD 44 Franklin Lakes as basis for commercial Ku-band stations [6, p.88] @@ -413,10 +446,11 @@ skopos_telecom { TechLevel = 7 //first SBS antennas deployed by 1978, SBS 1 launched 1980. RFBand = Ku (Wideband) referenceGain = 53.9 - referenceFrequency = 12600 + referenceFrequency = 11950 TxPower = 65 AMWTemp = 225 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - 70s Comsat TARGET {} } } @@ -438,6 +472,7 @@ skopos_telecom { TxPower = 61 //1.5 kW AMWTemp = 85 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - 70s Comsat TARGET {} } //Using 5-meter SBS Ku-band antenna at WD 44 Franklin Lakes as basis for commercial Ku-band stations [6, p.88] @@ -445,10 +480,11 @@ skopos_telecom { TechLevel = 7 //first SBS antennas deployed by 1978, SBS 1 launched 1980. RFBand = Ku (Wideband) referenceGain = 53.9 - referenceFrequency = 12600 + referenceFrequency = 11950 TxPower = 65 AMWTemp = 225 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - 70s Comsat TARGET {} } } @@ -470,6 +506,7 @@ skopos_telecom { TxPower = 65 //3 kW AMWTemp = 112 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - 70s Comsat TARGET {} } //Using 5-meter SBS Ku-band antenna at WD 44 Franklin Lakes as basis for commercial Ku-band stations [6, p.88] @@ -477,10 +514,11 @@ skopos_telecom { TechLevel = 7 //first SBS antennas deployed by 1978, SBS 1 launched 1980. RFBand = Ku (Wideband) referenceGain = 53.9 - referenceFrequency = 12600 + referenceFrequency = 11950 TxPower = 65 AMWTemp = 225 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - 70s Comsat TARGET {} } } @@ -502,6 +540,7 @@ skopos_telecom { TxPower = 61 //1.5 kW AMWTemp = 85 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - 70s Comsat TARGET {} } //Using 5-meter SBS Ku-band antenna at WD 44 Franklin Lakes as basis for commercial Ku-band stations [6, p.88] @@ -509,10 +548,11 @@ skopos_telecom { TechLevel = 7 //first SBS antennas deployed by 1978, SBS 1 launched 1980. RFBand = Ku (Wideband) referenceGain = 53.9 - referenceFrequency = 12600 + referenceFrequency = 11950 TxPower = 65 AMWTemp = 225 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - 70s Comsat TARGET {} } } @@ -534,6 +574,7 @@ skopos_telecom { TxPower = 61 //1.5 kW AMWTemp = 85 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - 70s Comsat TARGET {} } //Using 5-meter SBS Ku-band antenna at WD 44 Franklin Lakes as basis for commercial Ku-band stations [6, p.88] @@ -541,10 +582,11 @@ skopos_telecom { TechLevel = 7 //first SBS antennas deployed by 1978, SBS 1 launched 1980. RFBand = Ku (Wideband) referenceGain = 53.9 - referenceFrequency = 12600 + referenceFrequency = 11950 TxPower = 65 AMWTemp = 225 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - 70s Comsat TARGET {} } } @@ -566,6 +608,7 @@ skopos_telecom { TxPower = 64.8 //3 kW AMWTemp = 22 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - 70s Comsat TARGET {} } //Using 5-meter SBS Ku-band antenna at WD 44 Franklin Lakes as basis for commercial Ku-band stations [6, p.88] @@ -573,10 +616,11 @@ skopos_telecom { TechLevel = 7 //first SBS antennas deployed by 1978, SBS 1 launched 1980. RFBand = Ku (Wideband) referenceGain = 53.9 - referenceFrequency = 12600 + referenceFrequency = 11950 TxPower = 65 AMWTemp = 225 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - 70s Comsat TARGET {} } } @@ -598,6 +642,7 @@ skopos_telecom { TxPower = 65 //3 kW AMWTemp = 630 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } //Using 5-meter SBS Ku-band antenna at WD 44 Franklin Lakes as basis for commercial Ku-band stations [6, p.88] @@ -605,10 +650,11 @@ skopos_telecom { TechLevel = 7 //first SBS antennas deployed by 1978, SBS 1 launched 1980. RFBand = Ku (Wideband) referenceGain = 53.9 - referenceFrequency = 12600 + referenceFrequency = 11950 TxPower = 65 AMWTemp = 225 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - 70s Comsat TARGET {} } } @@ -630,6 +676,7 @@ skopos_telecom { TxPower = 65 //3 kW AMWTemp = 78 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } //Using 5-meter SBS Ku-band antenna at WD 44 Franklin Lakes as basis for commercial Ku-band stations [6, p.88] @@ -637,10 +684,11 @@ skopos_telecom { TechLevel = 7 //first SBS antennas deployed by 1978, SBS 1 launched 1980. RFBand = Ku (Wideband) referenceGain = 53.9 - referenceFrequency = 12600 + referenceFrequency = 11950 TxPower = 65 AMWTemp = 225 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - 70s Comsat TARGET {} } } @@ -663,6 +711,7 @@ skopos_telecom { TxPower = 65 //3 kW AMWTemp = 150 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } //I don't know if the CTS Ku-band terminal was actually at Allan Park, but it should be close enough [4, p.19-16] @@ -670,10 +719,11 @@ skopos_telecom { TechLevel = 6 RFBand = Ku (Wideband) referenceGain = 57 - referenceFrequency = 12600 + referenceFrequency = 11950 TxPower = 53 //200 W AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - 70s Comsat TARGET {} } } @@ -695,6 +745,7 @@ skopos_telecom { TxPower = 65 //3 kW AMWTemp = 150 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - 70s Comsat TARGET {} } } @@ -716,6 +767,7 @@ skopos_telecom { TxPower = 65 //3 kW AMWTemp = 150 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - 70s Comsat TARGET {} } } @@ -737,6 +789,7 @@ skopos_telecom { TxPower = 65 //3 kW AMWTemp = 150 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - 70s Comsat TARGET {} } } @@ -758,6 +811,7 @@ skopos_telecom { TxPower = 65 //3 kW AMWTemp = 150 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - 70s Comsat TARGET {} } } @@ -776,10 +830,11 @@ skopos_telecom { TechLevel = 6 RFBand = Ku (Wideband) referenceGain = 47 - referenceFrequency = 12600 + referenceFrequency = 11950 TxPower = 43 //20 W AMWTemp = 670 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - 70s Comsat TARGET {} } } @@ -804,6 +859,7 @@ skopos_telecom { TxPower = 120.828 // 1.21 GW! AMWTemp = 205 ModulationBits = 2 //ASC recieve-only terminals could operate in QPSK + EncoderOverride = None - 70s Comsat TARGET {} } } @@ -827,6 +883,7 @@ skopos_telecom { TxPower = 70 //typical of second generation earth stations [4, p.10-44] AMWTemp = 58 //typical of second generation earth stations [4, p.10-44] ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added ~1985 for Intelsat V? [5, p.IV-7] UPGRADE @@ -858,7 +915,8 @@ skopos_telecom { referenceFrequency = 4768 TxPower = 63 AMWTemp = 220 - ModulationBits = 1 //FM, FSK or PSK only? + ModulationBits = 1 //FM, FSK or PSK only?. + EncoderOverride = None - Early Comsat TARGET {} UPGRADE { @@ -902,6 +960,7 @@ skopos_telecom { TxPower = 70 //10 kW AMWTemp = 58 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added ~1985 for Intelsat V? [5, p.IV-7] UPGRADE @@ -935,8 +994,9 @@ skopos_telecom { referenceGain = 58 //same antenna as C-band, just operating in L-band referenceFrequency = 4768 TxPower = 63 // 2 kW. - AMWTemp = 230 //Based on Syncom AN/FSC-9 terminals [4, p.8-10] + AMWTemp = 214 //230K-16K. Based on Syncom AN/FSC-9 terminals [4, p.8-10]. -16K for RA atmo noise ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } Antenna { @@ -948,6 +1008,7 @@ skopos_telecom { TxPower = 63 // 2 kW. AMWTemp = 32 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} //Modified 1964 in preparation for Early Bird [4, p.10-43] UPGRADE @@ -992,8 +1053,9 @@ skopos_telecom { referenceGain = 55.6 referenceFrequency = 4768 TxPower = 63 // 2 kW? - AMWTemp = 230 //Based on Syncom AN/FSC-9 terminals [4, p.8-10] + AMWTemp = 214 //230K-16K. Based on Syncom AN/FSC-9 terminals [4, p.8-10]. -16K for RA atmo noise ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } //original telstar performance [4, p.6-9] @@ -1005,6 +1067,7 @@ skopos_telecom { TxPower = 67 // 5 kW. AMWTemp = 55 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} //Goonhilly modified in 1964 to correct poor performance in preparation for Early Bird [4, p.10-43] UPGRADE @@ -1045,6 +1108,7 @@ skopos_telecom { TxPower = 63 AMWTemp = 220 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} //Raisting modified in 1964 for Relay 2 [4, p.7-8] //Raisting modified in 1965 in preparation for Early Bird [4, p.10-43] @@ -1086,6 +1150,7 @@ skopos_telecom { TxPower = 63 //2 kW AMWTemp = 220 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} UPGRADE { @@ -1124,30 +1189,29 @@ skopos_telecom { lon = 140.6601046239096 alt = 50 role = trx - //Ground station performance data [4] - //L-band for Relay and Syncom + //L-band for Syncom [33, p.125] + //transmitting from 10 m antenna, recieving from 30 m antenna Antenna { TechLevel = 3 - RFBand = L (Wideband) //just let RA autocalculate gain - referenceGain = 48 //same antenna as C-band, just operating in L-band - referenceFrequency = 4768 - TxPower = 70 // 10 kW. - AMWTemp = 230 //Based on Syncom AN/FSC-9 terminals [4, p.8-10] + RFBand = L (Wideband) + referenceGain = 51.5 //51.5 db at 1812 MHz + referenceFrequency = 1812 + TxPower = 73.5 // actually transmitting in X-band. Correct for EIRP: 125 dbm - 51.5 dbi = 73.5 dbm + AMWTemp = 60 // no elevation given ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } + //10 m antenna operating in C-band (ahistorical, but filling in for various other Japanese stations) Antenna { TechLevel = 3 RFBand = C (Wideband) - // Gain of the 10 m transmitter dish from NASA TR R-252, p. 125. - // The downlink used a 30 m UHF dish, but we ignore that. - referenceGain = 55.0 + referenceGain = 51.3 //10 m antenna, assume 55% efficiency in C-band (same as early bird terminals) referenceFrequency = 4768 - TxPower = 70 // 10 kW. - // Temperature of the UHF receiving system. - // 75 K in [OH64]. - AMWTemp = 60 + TxPower = 73.7 // actually transmitting in X-band. Correct for EIRP: 125 dbm - 51.3 dbi = 73.5 dbm + AMWTemp = 60 // same as L-band? ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} //98.5ft antenna installed 1967 for ATS-1/3 [4, p.13-5] UPGRADE @@ -1187,6 +1251,7 @@ skopos_telecom { TxPower = 70 //typical of second generation earth stations [4, p.10-44] AMWTemp = 58 //typical of second generation earth stations [4, p.10-44] ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added ~1985 for Intelsat V? [5, p.IV-7] UPGRADE @@ -1220,6 +1285,7 @@ skopos_telecom { TxPower = 70 //typical of second generation earth stations [4, p.10-44] AMWTemp = 58 //typical of second generation earth stations [4, p.10-44] ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added ~1985 for Intelsat V? [5, p.IV-7] UPGRADE @@ -1252,6 +1318,7 @@ skopos_telecom { TxPower = 70 //typical of second generation earth stations [4, p.10-44] AMWTemp = 58 //typical of second generation earth stations [4, p.10-44] ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} //Upgraded for Intelsat III in 1970 [4, p.10-17] //Upgraded to what not specified, but several 97 ft antennas are present there today @@ -1293,6 +1360,7 @@ skopos_telecom { TxPower = 70 //typical of second generation earth stations [4, p.10-44] AMWTemp = 58 //typical of second generation earth stations [4, p.10-44] ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added ~1985 for Intelsat V? [5, p.IV-7] UPGRADE @@ -1326,6 +1394,7 @@ skopos_telecom { TxPower = 70 //typical of second generation earth stations AMWTemp = 58 //typical of second generation earth stations ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added ~1985 for Intelsat V? [5, p.IV-7] UPGRADE @@ -1364,6 +1433,7 @@ skopos_telecom { TxPower = 63 // 2 kW. AMWTemp = 33 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} //97ft antenna installed 1969 [4, p.10-16] UPGRADE @@ -1394,7 +1464,7 @@ skopos_telecom { // ground. alt = 557 role = trx - //Ground station performance data [4, p.13-6] + //Ground station performance data [4, p.13-16] Antenna { TechLevel = 3 RFBand = C (Wideband) @@ -1403,6 +1473,7 @@ skopos_telecom { TxPower = 63 // 2 kW. AMWTemp = 75 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} //Moree brought online 1968 with 92ft antenna [4, p.10-14] //Since it's close(ish) to Cooby Creek, just add to Cooby Creek @@ -1597,6 +1668,7 @@ skopos_telecom { TxPower = 70 //typical of second generation earth stations AMWTemp = 58 //typical of second generation earth stations ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added ~1985 for Intelsat V? [5, p.IV-7] UPGRADE @@ -1632,6 +1704,7 @@ skopos_telecom { TxPower = 67 // 5 kW same as C-band? AMWTemp = 230 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } //Ground station performance data [4, p.11-16] @@ -1643,6 +1716,7 @@ skopos_telecom { TxPower = 67 // 5 kW Gradient-K transmitter [7] [8] AMWTemp = 230 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} //Moscow has a standard Intelsat terminal installed 1974 [4, p.10-20] UPGRADE @@ -1671,10 +1745,11 @@ skopos_telecom { TechLevel = 6 RFBand = Ku (Wideband) referenceGain = 59.3 - referenceFrequency = 12600 + referenceFrequency = 11950 TxPower = 62 //1.5 kW AMWTemp = 537 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } } @@ -1695,6 +1770,7 @@ skopos_telecom { TxPower = 67 // 5 kW same as C-band? AMWTemp = 230 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } //Ground station performance data [4, p.11-16] @@ -1706,6 +1782,7 @@ skopos_telecom { TxPower = 67 // 5 kW Gradient-K transmitter [7] [8] AMWTemp = 230 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added ~1983 for TDMA-40 [5, p.IV-7] UPGRADE @@ -1725,10 +1802,11 @@ skopos_telecom { TechLevel = 6 RFBand = Ku (Wideband) referenceGain = 59.3 - referenceFrequency = 12600 + referenceFrequency = 11950 TxPower = 62 //1.5 kW AMWTemp = 537 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } } @@ -1749,6 +1827,7 @@ skopos_telecom { TxPower = 65 // Same as C-Band? AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } //Ground station performance data [4, p.11-16] @@ -1761,6 +1840,7 @@ skopos_telecom { TxPower = 65 AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added ~1983 for TDMA-40 [5, p.IV-7] UPGRADE @@ -1795,6 +1875,7 @@ skopos_telecom { TxPower = 120.828 // 1.21 GW! AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } //Ground station performance data [4, p.11-16] @@ -1807,6 +1888,7 @@ skopos_telecom { TxPower = 120.828 // 1.21 GW! AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added ~1983 for TDMA-40 [5, p.IV-7] UPGRADE @@ -1841,6 +1923,7 @@ skopos_telecom { TxPower = 120.828 // 1.21 GW! AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } //Ground station performance data [4, p.11-16] @@ -1853,6 +1936,7 @@ skopos_telecom { TxPower = 120.828 // 1.21 GW! AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added ~1983 for TDMA-40 [5, p.IV-7] UPGRADE @@ -1886,6 +1970,7 @@ skopos_telecom { TxPower = 65 // Same as C-Band? AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } //Ground station performance data [4, p.11-16] @@ -1898,6 +1983,7 @@ skopos_telecom { TxPower = 65 AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added ~1983 for TDMA-40 [5, p.IV-7] UPGRADE @@ -1932,6 +2018,7 @@ skopos_telecom { TxPower = 120.828 // 1.21 GW! AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } //Ground station performance data [4, p.11-16] @@ -1944,6 +2031,7 @@ skopos_telecom { TxPower = 120.828 // 1.21 GW! AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added ~1983 for TDMA-40 [5, p.IV-7] UPGRADE @@ -1979,6 +2067,7 @@ skopos_telecom { TxPower = 120.828 // 1.21 GW! AMWTemp = 80 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added ~1983 for TDMA-40 [5, p.IV-7] UPGRADE @@ -2014,6 +2103,7 @@ skopos_telecom { TxPower = 120.828 // 1.21 GW! AMWTemp = 80 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added ~1983 for TDMA-40 [5, p.IV-7] UPGRADE @@ -2049,6 +2139,7 @@ skopos_telecom { TxPower = 120.828 // 1.21 GW! AMWTemp = 80 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added ~1983 for TDMA-40 [5, p.IV-7] UPGRADE @@ -2084,6 +2175,7 @@ skopos_telecom { TxPower = 120.828 // 1.21 GW! AMWTemp = 80 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added ~1983 for TDMA-40 [5, p.IV-7] UPGRADE @@ -2119,6 +2211,7 @@ skopos_telecom { TxPower = 67 // 5 kW same as C-band? AMWTemp = 230 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } //Ground station performance data [4, p.11-16] @@ -2130,6 +2223,7 @@ skopos_telecom { TxPower = 67 // 5 kW Gradient-K transmitter [7] [8] AMWTemp = 230 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added ~1983 for TDMA-40 [5, p.IV-7] UPGRADE @@ -2165,6 +2259,7 @@ skopos_telecom { TxPower = 65 // Same as C-Band? AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } //Ground station performance data [4, p.11-16] @@ -2177,6 +2272,7 @@ skopos_telecom { TxPower = 65 AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added late 80s for TDMA-40 [5, p.IV-7] UPGRADE @@ -2206,6 +2302,7 @@ skopos_telecom { TxPower = 65 // Same as C-Band? AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } //Ground station performance data [4, p.11-16] @@ -2218,6 +2315,7 @@ skopos_telecom { TxPower = 65 AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added late 80s for TDMA-40 [5, p.IV-7] UPGRADE @@ -2247,6 +2345,7 @@ skopos_telecom { TxPower = 65 // Same as C-Band? AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } //Ground station performance data [4, p.11-16] @@ -2259,6 +2358,7 @@ skopos_telecom { TxPower = 65 AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added late 80s for TDMA-40 [5, p.IV-7] UPGRADE @@ -2288,6 +2388,7 @@ skopos_telecom { TxPower = 65 // Same as C-Band? AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } //Ground station performance data [4, p.11-16] @@ -2300,6 +2401,7 @@ skopos_telecom { TxPower = 65 AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added late 80s for TDMA-40 [5, p.IV-7] UPGRADE @@ -2329,6 +2431,7 @@ skopos_telecom { TxPower = 65 // Same as C-Band? AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } //Ground station performance data [4, p.11-16] @@ -2341,6 +2444,7 @@ skopos_telecom { TxPower = 65 AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added late 80s for TDMA-40 [5, p.IV-7] UPGRADE @@ -2370,6 +2474,7 @@ skopos_telecom { TxPower = 65 // Same as C-Band? AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } //Ground station performance data [4, p.11-16] @@ -2382,6 +2487,7 @@ skopos_telecom { TxPower = 65 AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added late 80s for TDMA-40 [5, p.IV-7] UPGRADE @@ -2411,6 +2517,7 @@ skopos_telecom { TxPower = 65 // Same as C-Band? AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } //Ground station performance data [4, p.11-16] @@ -2423,6 +2530,7 @@ skopos_telecom { TxPower = 65 AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added late 80s for TDMA-40 [5, p.IV-7] UPGRADE @@ -2452,6 +2560,7 @@ skopos_telecom { TxPower = 65 // Same as C-Band? AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } //Ground station performance data [4, p.11-16] @@ -2464,6 +2573,7 @@ skopos_telecom { TxPower = 65 AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added late 80s for TDMA-40 [5, p.IV-7] UPGRADE @@ -2493,6 +2603,7 @@ skopos_telecom { TxPower = 65 // Same as C-Band? AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } //Ground station performance data [4, p.11-16] @@ -2505,6 +2616,7 @@ skopos_telecom { TxPower = 65 AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added late 80s for TDMA-40 [5, p.IV-7] UPGRADE @@ -2534,6 +2646,7 @@ skopos_telecom { TxPower = 65 // Same as C-Band? AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } //Ground station performance data [4, p.11-16] @@ -2546,6 +2659,7 @@ skopos_telecom { TxPower = 65 AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added late 80s for TDMA-40 [5, p.IV-7] UPGRADE @@ -2576,6 +2690,7 @@ skopos_telecom { TxPower = 120.828 // 1.21 GW! AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } Antenna { @@ -2587,6 +2702,7 @@ skopos_telecom { TxPower = 120.828 // 1.21 GW! AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} // QPSK capability added late 80s for TDMA-40 [5, p.IV-7] UPGRADE @@ -2618,6 +2734,7 @@ skopos_telecom { TxPower = 120.828 // 1.21 GW! AMWTemp = 150 //from [24] ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } } @@ -2641,6 +2758,7 @@ skopos_telecom { TxPower = 120.828 // 1.21 GW! AMWTemp = 150 //from [24] ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } } @@ -2664,6 +2782,7 @@ skopos_telecom { TxPower = 120.828 // 1.21 GW! AMWTemp = 150 //from [24] ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } } @@ -2687,6 +2806,7 @@ skopos_telecom { TxPower = 120.828 // 1.21 GW! AMWTemp = 150 //from [24] ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } } @@ -2710,6 +2830,7 @@ skopos_telecom { TxPower = 120.828 // 1.21 GW! AMWTemp = 150 //from [24] ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } } @@ -2732,6 +2853,7 @@ skopos_telecom { TxPower = 65 AMWTemp = 288 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } } @@ -2754,6 +2876,7 @@ skopos_telecom { TxPower = 65 AMWTemp = 288 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } } @@ -2780,7 +2903,14 @@ skopos_telecom { TxPower = 70 //20 kW peak, 10 kW continuous AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Syncom Voice TARGET {} + //If you put off this contract until 1964 tech, you can afford better than Syncom + UPGRADE + { + TechLevel = 4 + EncoderOverride = None - Early Comsat + } } // 9.1 meter antenna, assuming same as Apollo tracking ships when operating in C-Band [4, p.10-44] Antenna { @@ -2791,7 +2921,14 @@ skopos_telecom { TxPower = 70 AMWTemp = 135 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Syncom Voice TARGET {} + //If you put off this contract until 1964 tech, you can afford better than Syncom + UPGRADE + { + TechLevel = 4 + EncoderOverride = None - Early Comsat + } } // Assuming same as Apollo tracking ships Antenna { @@ -2836,7 +2973,14 @@ skopos_telecom { TxPower = 57 //500 W? AMWTemp = 205 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Syncom Voice TARGET {} + //If you put off this contract until 1964 tech, you can afford better than Syncom + UPGRADE + { + TechLevel = 4 + EncoderOverride = None - Early Comsat + } } // Various helical/biconical antennas. // Assuming same as Apollo tracking ships @@ -2880,6 +3024,7 @@ skopos_telecom { TxPower = 70 AMWTemp = 135 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } // Apollo tracking ships also have VHF/UHF voice/command antenna, USB 9-meter antenna, TLM (4-1) 9-meter antenna, TLM (4-2) antenna [9, p.1-7] @@ -2939,6 +3084,7 @@ skopos_telecom { TxPower = 70 AMWTemp = 135 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } // Apollo tracking ships also have VHF/UHF voice/command antenna, USB 9-meter antenna, TLM (4-1) 9-meter antenna, TLM (4-2) antenna [9, p.1-7] @@ -2998,6 +3144,7 @@ skopos_telecom { TxPower = 70 AMWTemp = 135 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } // Apollo tracking ships also have VHF/UHF voice/command antenna, USB 9-meter antenna, TLM (4-1) 9-meter antenna, TLM (4-2) antenna [9, p.1-7] @@ -3058,6 +3205,7 @@ skopos_telecom { TxPower = 65 // Same as C-Band? AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } Antenna { @@ -3069,6 +3217,7 @@ skopos_telecom { TxPower = 65 AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } //UHF/VHF setup same as Apollo tracking ships I guess @@ -3124,6 +3273,7 @@ skopos_telecom { TxPower = 65 // Same as C-Band? AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } Antenna { @@ -3135,6 +3285,7 @@ skopos_telecom { TxPower = 65 AMWTemp = 200 ModulationBits = 1 //FM, FSK or PSK only? + EncoderOverride = None - Early Comsat TARGET {} } //UHF/VHF setup same as Apollo tracking ships I guess @@ -3189,6 +3340,7 @@ skopos_telecom { TxPower = 43.5 // 13.5 dbW AMWTemp = 562 ModulationBits = 1 //FM or PSK only + EncoderOverride = None - Early Comsat //FM voice or PSK CCITT-2 tty [12, p.257]. Data mode might have encoding but [12] doesn't say anything about it. TARGET {} } } @@ -3210,6 +3362,7 @@ skopos_telecom { TxPower = 43.5 // 13.5 dbW AMWTemp = 562 ModulationBits = 1 //FM or PSK only + EncoderOverride = None - Early Comsat //FM voice or PSK CCITT-2 tty [12, p.257]. Data mode might have encoding but [12] doesn't say anything about it. TARGET {} } } @@ -3231,6 +3384,7 @@ skopos_telecom { TxPower = 43.5 // 13.5 dbW AMWTemp = 562 ModulationBits = 1 //FM or PSK only + EncoderOverride = None - Early Comsat //FM voice or PSK CCITT-2 tty [12, p.257]. Data mode might have encoding but [12] doesn't say anything about it. TARGET {} } } @@ -3252,6 +3406,7 @@ skopos_telecom { TxPower = 43.5 // 13.5 dbW AMWTemp = 562 ModulationBits = 1 //FM or PSK only + EncoderOverride = None - Early Comsat //FM voice or PSK CCITT-2 tty [12, p.257]. Data mode might have encoding but [12] doesn't say anything about it. TARGET {} } } @@ -3274,6 +3429,7 @@ skopos_telecom { TxPower = 43.5 // 13.5 dbW AMWTemp = 562 ModulationBits = 1 //FM or PSK only + EncoderOverride = None - Early Comsat //FM voice or PSK CCITT-2 tty [12, p.257]. Data mode might have encoding but [12] doesn't say anything about it. TARGET {} } } @@ -3295,6 +3451,7 @@ skopos_telecom { TxPower = 43.5 // 13.5 dbW AMWTemp = 562 ModulationBits = 1 //FM or PSK only + EncoderOverride = None - Early Comsat //FM voice or PSK CCITT-2 tty [12, p.257]. Data mode might have encoding but [12] doesn't say anything about it. TARGET {} } } @@ -3317,6 +3474,7 @@ skopos_telecom { TxPower = 43.5 // 13.5 dbW AMWTemp = 562 ModulationBits = 1 //FM or PSK only + EncoderOverride = None - Early Comsat //FM voice or PSK CCITT-2 tty [12, p.257]. Data mode might have encoding but [12] doesn't say anything about it. TARGET {} } } @@ -3338,6 +3496,7 @@ skopos_telecom { TxPower = 43.5 // 13.5 dbW AMWTemp = 562 ModulationBits = 1 //FM or PSK only + EncoderOverride = None - Early Comsat //FM voice or PSK CCITT-2 tty [12, p.257]. Data mode might have encoding but [12] doesn't say anything about it. TARGET {} } } @@ -3359,6 +3518,7 @@ skopos_telecom { TxPower = 43.5 // 13.5 dbW AMWTemp = 562 ModulationBits = 1 //FM or PSK only + EncoderOverride = None - Early Comsat //FM voice or PSK CCITT-2 tty [12, p.257]. Data mode might have encoding but [12] doesn't say anything about it. TARGET {} } } @@ -3380,6 +3540,7 @@ skopos_telecom { TxPower = 43.5 // 13.5 dbW AMWTemp = 562 ModulationBits = 1 //FM or PSK only + EncoderOverride = None - Early Comsat //FM voice or PSK CCITT-2 tty [12, p.257]. Data mode might have encoding but [12] doesn't say anything about it. TARGET {} } } @@ -3401,6 +3562,7 @@ skopos_telecom { TxPower = 43.5 // 13.5 dbW AMWTemp = 562 ModulationBits = 1 //FM or PSK only + EncoderOverride = None - Early Comsat //FM voice or PSK CCITT-2 tty [12, p.257]. Data mode might have encoding but [12] doesn't say anything about it. TARGET {} } } @@ -3422,6 +3584,7 @@ skopos_telecom { TxPower = 43.5 // 13.5 dbW AMWTemp = 562 ModulationBits = 1 //FM or PSK only + EncoderOverride = None - Early Comsat //FM voice or PSK CCITT-2 tty [12, p.257]. Data mode might have encoding but [12] doesn't say anything about it. TARGET {} } } @@ -3443,6 +3606,7 @@ skopos_telecom { TxPower = 43.5 // 13.5 dbW AMWTemp = 562 ModulationBits = 1 //FM or PSK only + EncoderOverride = None - Early Comsat //FM voice or PSK CCITT-2 tty [12, p.257]. Data mode might have encoding but [12] doesn't say anything about it. TARGET {} } } @@ -3464,6 +3628,7 @@ skopos_telecom { TxPower = 43.5 // 13.5 dbW AMWTemp = 562 ModulationBits = 1 //FM or PSK only + EncoderOverride = None - Early Comsat //FM voice or PSK CCITT-2 tty [12, p.257]. Data mode might have encoding but [12] doesn't say anything about it. TARGET {} } } @@ -3567,9 +3732,8 @@ skopos_telecom { name = l0p5_andover_europe tx = andover rx = pleumeur_bodou - rx = goonhilly_downs latency = 30 - rate = 1.5e6 //4.5 MHz bandwidth, but connection is pretty marginal and we have encoders consuming bandwidth. Use 1.5 MHz [4, p.8-8] + rate = 1.5e6 //4.5 MHz bandwidth, but connection is pretty marginal and we are using a wider channel and possibly a higher Eb/N0. Use 1.5 MHz [4, p.8-8] window = 90 exclusive = false } @@ -3578,7 +3742,7 @@ skopos_telecom { tx = pleumeur_bodou rx = andover latency = 30 - rate = 1.5e6 //4.5 MHz bandwidth, but connection is pretty marginal and we have encoders consuming bandwidth. Use 1.5 MHz [4, p.8-8] + rate = 1.5e6 //4.5 MHz bandwidth, but connection is pretty marginal and we are using a wider channel and possibly a higher Eb/N0. Use 1.5 MHz [4, p.8-8] window = 90 exclusive = false } @@ -3587,7 +3751,7 @@ skopos_telecom { tx = goonhilly_downs rx = andover latency = 30 - rate = 1.5e6 //4.5 MHz bandwidth, but connection is pretty marginal and we have encoders consuming bandwidth. Use 1.5 MHz [4, p.8-8] + rate = 1.5e6 //4.5 MHz bandwidth, but connection is pretty marginal and we are using a wider channel and possibly a higher Eb/N0. Use 1.5 MHz [4, p.8-8] window = 90 exclusive = false } @@ -3598,7 +3762,7 @@ skopos_telecom { tx = kashima rx = point_mugu latency = 30 - rate = 1.5e6 //4.5 MHz bandwidth, but connection is pretty marginal and we have encoders consuming bandwidth. Use 1.5 MHz [4, p.8-8] + rate = 2.5e6 //4.5 MHz bandwidth, but connection is pretty marginal and we are using a wider channel and possibly a higher Eb/N0. Kashima-Point Mugu TV consumed ~2.5 MHz [4, p.8-13] window = 90 exclusive = false } @@ -3607,7 +3771,7 @@ skopos_telecom { tx = point_mugu rx = kashima latency = 30 - rate = 1.5e6 //4.5 MHz bandwidth, but connection is pretty marginal and we have encoders consuming bandwidth. Use 1.5 MHz [4, p.8-8] + rate = 2.5e6 //4.5 MHz bandwidth, but connection is pretty marginal and we are using a wider channel and possibly a higher Eb/N0. Kashima-Point Mugu TV consumed ~2.5 MHz [4, p.8-13] window = 90 exclusive = false }