Increase the onehit TTL a bit, 30s is a bit too aggressive.

25ac2d04 · Oliver Jowett · b3138343 · 25ac2d04
Commit 25ac2d04 authored Feb 8, 2015 by Oliver Jowett
--- a/track.h
+++ b/track.h
@@ -54,7 +54,7 @@
 #define TRACK_AIRCRAFT_TTL 300

 /* Maximum age of a tracked aircraft with only 1 message received, in seconds */
-#define TRACK_AIRCRAFT_ONEHIT_TTL 30
+#define TRACK_AIRCRAFT_ONEHIT_TTL 60

 /* Structure used to describe the state of one tracked aircraft */
 struct aircraft {