From 8ee87bd85bd739fd429b5409599a3fe9f141c9c0 Mon Sep 17 00:00:00 2001
From: Rossen Georgiev <zoorty@gmail.com>
Date: Sat, 30 May 2015 04:16:52 +0100
Subject: [PATCH] raise exception on long/lat ambiguity mismatch

---
 aprslib/parsing.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/aprslib/parsing.py b/aprslib/parsing.py
index 83d8407..37223b4 100644
--- a/aprslib/parsing.py
+++ b/aprslib/parsing.py
@@ -868,6 +868,10 @@ def _parse_normal(body):
 
         # position ambiguity
         posambiguity = lat_min.count(' ')
+
+        if posambiguity != lon_min.count(' '):
+            raise ParseError("latitude and longitude ambiguity mismatch")
+
         parsed.update({'posambiguity': posambiguity})
 
         # we center the position inside the ambiguity box