diff --git a/RX_FSK/RX_FSK.ino b/RX_FSK/RX_FSK.ino
index b4c3d9c..c5b40fb 100644
--- a/RX_FSK/RX_FSK.ino
+++ b/RX_FSK/RX_FSK.ino
@@ -3157,6 +3157,9 @@ void sondehub_station_update(WiFiClient *client, struct st_sondehub *conf) {
       sprintf(w, "\"uploader_position\": [null,null,null]");
     }
     w += strlen(w);
+  } else {
+    sprintf(w, "\"uploader_position\": [null,null,null]");
+    w += strlen(w);
   }
 
   // otherwise (in SH_LOC_NONE mode) we dont include any position info
@@ -3354,8 +3357,7 @@ void sondehub_send_data(WiFiClient * client, SondeInfo * s, struct st_sondehub *
   if (chase == SH_LOC_CHASE) {
     if (gpsPos.valid && gpsPos.lat != 0 && gpsPos.lon != 0) {
       sprintf(w,
-              "\"uploader_position\": [%.6f,%.6f,%d],"
-              "\"mobile\": true",
+              "\"uploader_position\": [%.6f,%.6f,%d]",
               gpsPos.lat, gpsPos.lon, gpsPos.alt);
     } else {
       sprintf(w, "\"uploader_position\": [null,null,null]");
@@ -3372,6 +3374,9 @@ void sondehub_send_data(WiFiClient * client, SondeInfo * s, struct st_sondehub *
       sprintf(w, "\"uploader_position\": [null,null,null]");
     }
     w += strlen(w);
+  } else {
+    sprintf(w, "\"uploader_position\": [null,null,null]");
+    w += strlen(w);
   }
 
   // otherwise (in SH_LOC_NONE mode) we dont include any position info
diff --git a/RX_FSK/data/config.txt b/RX_FSK/data/config.txt
index 8a8487e..76c8021 100644
--- a/RX_FSK/data/config.txt
+++ b/RX_FSK/data/config.txt
@@ -121,7 +121,7 @@ mqtt.prefix=rdz_sonde_server/
 #-------------------------------#
 # Sondehub v2 DB settings
 sondehub.active=0
-sondehub.chase=2
+sondehub.chase=3
 sondehub.host=api.v2.sondehub.org
 sondehub.callsign=CHANGEME_RDZTTGO
 sondehub.lat=