update package version

pyModeS/adsb.py

@@ -274,10 +274,10 @@ def position_with_ref(msg, lat_ref, lon_ref):
         (float, float): (latitude, longitude) of the aircraft
     """
     if 5 <= typecode(msg) <= 8:
-        return airborne_position_with_ref(msg, lat_ref, lon_ref)
+        return surface_position_with_ref(msg, lat_ref, lon_ref)
 
     elif 9 <= typecode(msg) <= 18:
-        return surface_position_with_ref(msg, lat_ref, lon_ref)
+        return airborne_position_with_ref(msg, lat_ref, lon_ref)
 
     else:
         raise RuntimeError("incorrect or inconsistant message types")
@@ -427,9 +427,9 @@ def surface_position_with_ref(msg, lat_ref, lon_ref):
     ni = _cprNL(lat) - i
 
     if ni > 0:
-        d_lon = 360.0 / ni
+        d_lon = 90.0 / ni
     else:
-        d_lon = 360.0
+        d_lon = 90.0
 
     m = util.floor(lon_ref / d_lon) \
         + util.floor(0.5 + ((lon_ref % d_lon) / d_lon) - cprlon)

setup.py

@@ -23,7 +23,7 @@ setup(
     # Versions should comply with PEP440.  For a discussion on single-sourcing
     # the version across setup.py and the project code, see
     # https://packaging.python.org/en/latest/single_source_version.html
-    version='1.0.7',
+    version='1.0.8',
 
     description='Python Mode-S Decoder',
     long_description=long_description,

tests/test_adsb.py

@@ -22,6 +22,13 @@ def test_adsb_position():
     assert pos == (49.81755, 6.08442)
 
 
+def test_adsb_position_with_ref():
+    pos = adsb.position_with_ref("8D40058B58C901375147EFD09357", 49.0, 6.0)
+    assert pos == (49.82410, 6.06785)
+    pos = adsb.position_with_ref("8FC8200A3AB8F5F893096B000000", -43.5, 172.5)
+    assert pos == (-43.48564, 172.53942)
+
+
 def test_adsb_airborne_position_with_ref():
     pos = adsb.airborne_position_with_ref("8D40058B58C901375147EFD09357",
                                           49.0, 6.0)
@@ -32,9 +39,9 @@ def test_adsb_airborne_position_with_ref():
 
 
 def test_adsb_surface_position_with_ref():
-    pos = adsb.surface_position_with_ref("8FC8200A3AB8F5F893096B22B4A8",
+    pos = adsb.surface_position_with_ref("8FC8200A3AB8F5F893096B000000",
                                          -43.5, 172.5)
-    assert pos == (-43.48564, 175.87195)
+    assert pos == (-43.48564, 172.53942)
 
 
 def test_adsb_surface_position():