From c416e55ceef1e0150fe086183b28b7fa690817b9 Mon Sep 17 00:00:00 2001
From: Jonathan Naylor <naylorjs@yahoo.com>
Date: Thu, 4 Jun 2020 08:54:12 +0100
Subject: [PATCH] Add more gpsd sanity checking.

---
 NXDNGateway/APRSWriter.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/NXDNGateway/APRSWriter.cpp b/NXDNGateway/APRSWriter.cpp
index 43518d5..b6c9dd0 100644
--- a/NXDNGateway/APRSWriter.cpp
+++ b/NXDNGateway/APRSWriter.cpp
@@ -224,6 +224,9 @@ void CAPRSWriter::sendIdFrameMobile()
 	if (::gps_read(&m_gpsdData, NULL, 0) <= 0)
 		return;
 
+	if (m_gpsdData.status != STATUS_FIX)
+		return;
+
 	bool latlonSet   = (m_gpsdData.set & LATLON_SET) == LATLON_SET;
 	bool altitudeSet = (m_gpsdData.set & ALTITUDE_SET) == ALTITUDE_SET;
 	bool velocitySet = (m_gpsdData.set & SPEED_SET) == SPEED_SET;