From 051b7b853e48aecc596dbaadc92c2eec2b8192df Mon Sep 17 00:00:00 2001
From: Johan Jansen <jnsn.johan@gmail.com>
Date: Fri, 10 Apr 2015 09:56:05 +0200
Subject: [PATCH] UBlox: Check valid time bit for NAV_TIMEUTC messages (used
 for Ublox 6 and earlier)

---
 src/drivers/gps/ubx.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/drivers/gps/ubx.cpp b/src/drivers/gps/ubx.cpp
index 09cd6b1c91..064ce20e5f 100644
--- a/src/drivers/gps/ubx.cpp
+++ b/src/drivers/gps/ubx.cpp
@@ -827,6 +827,7 @@ UBX::payload_rx_done(void)
 	case UBX_MSG_NAV_TIMEUTC:
 		UBX_TRACE_RXMSG("Rx NAV-TIMEUTC\n");
 
+		if(_buf.payload_rx_nav_timeutc.valid & UBX_RX_NAV_TIMEUTC_VALID_VALIDUTC)
 		{
 			// convert to unix timestamp
 			struct tm timeinfo;