diff --git a/RX_FSK/RX_FSK.ino b/RX_FSK/RX_FSK.ino
index 13f9400..c7131c5 100644
--- a/RX_FSK/RX_FSK.ino
+++ b/RX_FSK/RX_FSK.ino
@@ -3301,13 +3301,13 @@ void sondehub_send_data(WiFiClient * client, SondeInfo * s, struct st_sondehub *
           "\"manufacturer\": \"%s\","
           "\"serial\": \"%s\","
           "\"datetime\": \"%04d-%02d-%02dT%02d:%02d:%02d.000Z\","
-          "\"lat\": %.6f,"
-          "\"lon\": %.6f,"
-          "\"alt\": %.3f,"
+          "\"lat\": %.5f,"
+          "\"lon\": %.5f,"
+          "\"alt\": %.5f,"
           "\"frequency\": %.3f,"
-          "\"vel_h\": %.3f,"
-          "\"vel_v\": %.3f,"
-          "\"heading\": %.3f,"
+          "\"vel_h\": %.5f,"
+          "\"vel_v\": %.5f,"
+          "\"heading\": %.5f,"
           "\"rssi\": %.1f,"
           "\"frame\": %d,"
           "\"type\": \"%s\",",