From 83a8d5a5617e0d54025a41fae69bf0105b25a2a4 Mon Sep 17 00:00:00 2001
From: Klaus Schmidinger <vdr@tvdr.de>
Date: Wed, 30 Oct 2013 10:11:55 +0100
Subject: [PATCH] Changed the absolute latitude limit for visible satellites to
 81.2 degrees

---
 HISTORY      | 3 ++-
 positioner.c | 6 +++---
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/HISTORY b/HISTORY
index ceca580d..66d7c5f7 100644
--- a/HISTORY
+++ b/HISTORY
@@ -8032,7 +8032,7 @@ Video Disk Recorder Revision History
   the last replayed recording (if any) by pressing Ok repeatedly in the Recordings
   menu.
 
-2013-10-29: Version 2.1.3
+2013-10-30: Version 2.1.3
 
 - Changed the return value of cPositioner::HorizonLongitude() to 0 in case the
   latitude of the antenna location is beyond +/-81 degrees.
@@ -8046,3 +8046,4 @@ Video Disk Recorder Revision History
   because it broke things for the "TechniSat AirStar 2" DVB-T card.
 - The LIRC remote control now connects to the socket even if it doesn't yet exist when
   VDR is started (thanks to Lars Hanisch).
+- Changed the absolute latitude limit for visible satellites to 81.2 degrees.
diff --git a/positioner.c b/positioner.c
index c701079e..c6e0c736 100644
--- a/positioner.c
+++ b/positioner.c
@@ -7,7 +7,7 @@
  * For an explanation (in German) of the theory behind the calculations see
  * http://www.vdr-portal.de/board17-developer/board97-vdr-core/p1154305-grundlagen-und-winkelberechnungen-f%C3%BCr-h-h-diseqc-motor-antennenanlagen
  *
- * $Id: positioner.c 3.3 2013/10/20 09:30:03 kls Exp $
+ * $Id: positioner.c 3.4 2013/10/30 09:56:34 kls Exp $
  */
 
 #include "positioner.h"
@@ -15,7 +15,7 @@
 #include "config.h"
 
 #define SAT_EARTH_RATIO    0.1513 // the Earth's radius, divided by the distance from the Earth's center to the satellite
-#define SAT_VISIBILITY_LAT 810    // the absolute latitude beyond which no satellite can be seen (degrees * 10)
+#define SAT_VISIBILITY_LAT 812    // the absolute latitude beyond which no satellite can be seen (degrees * 10)
 
 #define RAD(x) ((x) * M_PI / 1800)
 #define DEG(x) ((x) * 1800 / M_PI)
@@ -68,7 +68,7 @@ int cPositioner::CalcLongitude(int HourAngle)
 int cPositioner::HorizonLongitude(ePositionerDirection Direction)
 {
   double Delta;
-  if (abs(Setup.SiteLat) < SAT_VISIBILITY_LAT)
+  if (abs(Setup.SiteLat) <= SAT_VISIBILITY_LAT)
      Delta = acos(SAT_EARTH_RATIO / cos(RAD(Setup.SiteLat)));
   else
      Delta = 0;