Merge remote-tracking branch 'origin/master' into ahrs_dev

README.md

@@ -13,9 +13,6 @@ Raspberry Pi 2 with the Edimax EW-7811Un Wi-Fi dongle is supported but not recom
 
 Tested and works well with most common R820T and R820T2 RTL-SDR devices.
 
-Tested with and preliminary support added for [uAvionix pingEFB dual-link ADS-B receiver](http://www.uavionix.com/products/pingefb/).
-
-
 Apps with stratux recognition/support:
 * Seattle Avionics FlyQ EFB 2.1.1+.
 * AvNav EFB 2.0.0+.
@@ -31,10 +28,17 @@ Tested weather/traffic displays:
 * ForeFlight 7+ - weather, traffic. AHRS not functional.
 * Avare
 
+Other EFBs? See the [app vendor integration guide](https://github.com/cyoung/stratux/blob/master/notes/app-vendor-integration.md).
+
+Dangerzone builds (AHRS display):
+* ForeFlight 7+ - weather, traffic, AHRS.
+
 Questions?  [See the FAQ](https://github.com/cyoung/stratux/wiki/FAQ)
 
 http://stratux.me/
 
+http://slack.stratux.me/
+
 https://www.reddit.com/r/stratux
 
 Jet tests (high gain antennas):

main/sdr.go

@@ -471,6 +471,8 @@ func sdrWatcher() {
 	prevUATEnabled := false
 	prevESEnabled := false
 
+	time.Sleep(90 * time.Second)
+
 	for {
 		time.Sleep(1 * time.Second)
 		if sdrShutdown {