Do not treat telemetry message as IM

codec2talkie/build.gradle

@@ -10,8 +10,8 @@ android {
         applicationId "com.radio.codec2talkie"
         minSdkVersion 23
         targetSdkVersion 30
-        versionCode 146
-        versionName "1.46"
+        versionCode 147
+        versionName "1.47"
 
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
     }

codec2talkie/src/main/java/com/radio/codec2talkie/protocol/aprs/AprsDataTextMessage.java

@@ -5,6 +5,8 @@ import com.radio.codec2talkie.protocol.position.Position;
 
 import java.nio.ByteBuffer;
 import java.nio.charset.StandardCharsets;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 
 public class AprsDataTextMessage implements AprsData {
 
@@ -61,8 +63,9 @@ public class AprsDataTextMessage implements AprsData {
         byte[] message = new byte[buffer.remaining()];
         buffer.get(message);
         textMessage = new String(message, StandardCharsets.UTF_8);
-        // TODO, message id: {xxxxx
-        _isValid = true;
+        // TODO, message id: {xxxxx (for auto ack)
+        // TODO, telemetry, make subclass from message, extend and extract values
+        _isValid = !isTelemetry(textMessage);
     }
 
     @Override
@@ -74,4 +77,10 @@ public class AprsDataTextMessage implements AprsData {
     public boolean isValid() {
         return _isValid;
     }
+
+    private boolean isTelemetry(String textMessage) {
+        Pattern p = Pattern.compile("^(EQNS|PARM|UNIT|BITS)[.].+$");
+        Matcher m = p.matcher(textMessage);
+        return m.matches();
+    }
 }