still trying

ais_query.sh

@@ -11,8 +11,8 @@ WEBSOCKET_URL="wss://stream.aisstream.io/v0/stream"
 # Default bounding box (worldwide coverage)
 # Format: [[lat1, lon1], [lat2, lon2]]
 # Current setting covers the entire world
-#BOUNDING_BOX='[[[-90,0],[5,60]]]'
-BOUNDING_BOX='[[[-90, -180], [90, 180]]]'
+BOUNDING_BOX='[[[-90,0],[5,60]]]'
+#BOUNDING_BOX='[[[-90, -180], [90, 180]]]'
 
 # Optional: Filter by specific ship MMSI numbers (up to 50)
 # Leave empty for all ships
@@ -24,8 +24,9 @@ MESSAGE_TYPE_FILTER='["PositionReport"]'
 
 # Output file for logging (optional)
 DateFichier=$(date +"%Y%m%d-%H%M%S")
-dir=$(dirname $0)
+dir=$(dirname $0)"/data"
 OUTPUT_FILE="$dir/raw_ais_$DateFichier.log"
+mkdir -p "$dir"
 
 # Function to display usage information
 show_usage() {
@@ -165,7 +166,7 @@ echo "Message Types: $MESSAGE_TYPE_FILTER"
 if [ -n "$OUTPUT_FILE" ]; then
     echo "Output File: $OUTPUT_FILE"
     # Create output file with timestamp header
-    echo "# AIS Stream Data - $(date)" > "$OUTPUT_FILE"
+    #echo "# AIS Stream Data - $(date)" > "$OUTPUT_FILE"
 fi
 echo "Press Ctrl+C to stop..."
 echo "----------------------------------------"
@@ -184,4 +185,5 @@ trap cleanup EXIT INT TERM
 SUBSCRIPTION_MSG=$(create_subscription_message)
 
 # Connect to websocket and send subscription message
-echo "$SUBSCRIPTION_MSG" | websocat -n -H "Sec-WebSocket-Protocol: json"  -v "$WEBSOCKET_URL" - | process_message
+echo "$SUBSCRIPTION_MSG" | websocat --ping-interval 10 --no-close --text -vv "$WEBSOCKET_URL" - | process_message
+#-H "Sec-WebSocket-Protocol: json"

subscription.json

@@ -0,0 +1 @@
+{"APIKey":"8d32f42f3d7fa506ed5ed549d29279580b99303b","BoundingBoxes":[[[-90,-180],[90,180]]],"FiltersShipMMSI":["227397210"]}