Added checking if satellite was always above horizon

rfplot.py

@@ -136,6 +136,9 @@ def main():
     for sat_info in satellite_info:
         satellite = EarthSatellite(sat_info["tle"][-2], sat_info["tle"][-1])
         t, events = satellite.find_events(site_location, t0, t1, altitude_degrees=0.0)
+        alt, _, _ = (satellite - site_location).at(t0).altaz()
+        if len(t) == 0 and alt.degrees > 0:
+            t, events = [t0, t1], [0,2]
         if len(t) > 0:
             pairs = [ (ti, event)  for ti, event in zip(t, events)]
             if pairs[0][1] in [1,2]: