Introduced "DEBUG" setting.

‘u’ and ‘e’ only when “DEBUG” enabled.

main/gen_gdl90.go

@@ -385,6 +385,7 @@ type settings struct {
 	GPS_Enabled    bool
 	NetworkOutputs []networkConnection
 	AHRS_Enabled   bool
+	DEBUG          bool
 }
 
 type status struct {
@@ -412,6 +413,7 @@ func defaultSettings() {
 	//FIXME: Need to change format below.
 	globalSettings.NetworkOutputs = []networkConnection{{nil, "", 4000, NETWORK_GDL90_STANDARD, false, nil}, {nil, "", 43211, NETWORK_GDL90_STANDARD | NETWORK_AHRS_GDL90, false, nil}, {nil, "", 49002, NETWORK_AHRS_FFSIM, false, nil}}
 	globalSettings.AHRS_Enabled = false
+	globalSettings.DEBUG = false
 }
 
 func readSettings() {

main/traffic.go

@@ -344,10 +344,12 @@ func parseDownlinkReport(s string) {
 		ti.tail = tail
 	}
 
+	if globalSettings.DEBUG {
 		// This is a hack to show the source of the traffic in ForeFlight.
 		if len(ti.tail) == 0 || (len(ti.tail) != 0 && len(ti.tail) < 8 && ti.tail[0] != 'U') {
 			ti.tail = "u" + ti.tail
 		}
+	}
 
 	traffic[ti.icao_addr] = ti
 }
@@ -494,9 +496,11 @@ func esListen() {
 
 			// This is a hack to show the source of the traffic in ForeFlight.
 			ti.tail = strings.Trim(ti.tail, " ")
+			if globalSettings.DEBUG {
 				if len(ti.tail) == 0 || (len(ti.tail) != 0 && len(ti.tail) < 8 && ti.tail[0] != 'E') {
 					ti.tail = "e" + ti.tail
 				}
+			}
 
 			traffic[icaoDec] = ti // Update information on this ICAO code.
 			trafficMutex.Unlock()