view release on metacpan or  search on metacpan

lib/Astro/App/Satpass2/TUTORIAL.pod  view on Meta::CPAN

=head2 Configuring manually

Before you do any predictions, C<Astro::App::Satpass2> needs to know
where you are. The embedded L<Astro::SpaceTrack|Astro::SpaceTrack>
object will also need some configuration so it knows how to fetch data
from its various sources.

Specifically, you need your latitude, longitude (from Greenwich
England), and height above sea level. The height is least critical, and
any reasonable guess will probably work.

Latitude and longitude can be specified in either decimal degrees (e.g.
40.5) or degrees, minutes and seconds (e.g. 40d30m0s). B<South> latitude
and B<West> longitude are negative.

Height is assumed to be in meters, but you can be specify it in feet by
appending 'ft'. For example, '10' specifies 10 meters, as does '10m',
but '10ft' specifies 10 feet.

Because it would be painful to specify your position every time you use