diff --git a/gcn/notices/chime/frb.schema.json b/gcn/notices/chime/frb.schema.json
index 849d541..2070c13 100644
--- a/gcn/notices/chime/frb.schema.json
+++ b/gcn/notices/chime/frb.schema.json
@@ -33,11 +33,11 @@
       "description": "Error on the dispersion measure [pc/cm^3]"
     },
     "dm_gal_ne_2001_max": {
-      "type": "float",
+      "type": "number",
       "description": "Estimated contribution to the dispersion measure from the Galaxy using the NE2001 model."
     },
     "dm_gal_ymw_2016_max": {
-      "type": "float",
+      "type": "number",
       "description": "Estimated contribution to the dispersion measure from the Galaxy using the YMW2016 model."
     },
     "trigger_time_error": {
@@ -53,31 +53,31 @@
       "description": "Error on the trigger time at infinite frequency [s]"
     },
     "importance": {
-      "type": "string",
+      "type": "number",
       "description": "A machine learning score from 0-1 separating RFI (0) from an astrophysical signal (1)"
     },
     "probability": {
-      "type": "string",
+      "type": "number",
       "description": "A score of known source association probability from poorly associated (0) to confidently associated (1)"
     },
     "sampling_time": {
-      "type": "string",
+      "type": "number",
       "description": "The time resolution of the real-time FRB search."
     },
     "bandwidth": {
-      "type": "string",
+      "type": "number",
       "description": "The bandwidth of the real-time FRB search."
     },
     "centre_frequency": {
-      "type": "string",
+      "type": "number",
       "description": "The centre frequency of the real-time FRB search."
     },
     "npol": {
-      "type": "string",
+      "type": "number",
       "description": "The number of polarizations of the real-time FRB search."
     },
     "tsys": {
-      "type": "string",
+      "type": "number",
       "description": "The system temperature of the real-time FRB search."
     },
     "update_message": {