Implement configurable azimuth capabilities
Created by: cshields
(similar to https://github.com/satnogs/satnogs-network/issues/126)
If a station has a major obstacle in its way, observations that do not pass beyond that obstacle are going to be no good and should be skipped so they do not add clutter to results. Some kind of configuration item for such a 'dead zone' would be nice.
Edited by Alfredos-Panagiotis Damkalis