From 35551b4455fa1e63495eaa4b9b022477841f693d Mon Sep 17 00:00:00 2001
From: Oliver Jowett <oliver@mutability.co.uk>
Date: Thu, 22 Jan 2015 12:18:46 +0000
Subject: [PATCH] Don't emit FATSV output for non-ICAO addresses.

---
 net_io.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/net_io.c b/net_io.c
index ea629b0..1a7dda5 100644
--- a/net_io.c
+++ b/net_io.c
@@ -1310,6 +1310,10 @@ static void writeFATSV() {
         int emittedSecondsAgo;
         char *p, *end;
 
+        // skip non-ICAO
+        if (a->bFlags & MODES_ACFLAGS_NON_ICAO)
+            continue;
+
         // don't emit if it hasn't updated since last time
         if (a->seen < a->fatsv_last_emitted) {
             continue;