Numériques

Etat de la propagation en VHF et UHF

https://tropo.f5len.org/forecasts-for-europe/

https://hamnetdb.net/map.cgi?rf_tools=1/

Carrés locator

http://www.egloff.eu/googlemap_v3/carto.php

Biterates calculators

https://roks-tv.com/pages/dvb_s2

http://www.satbroadcasts.com/DVB-S_Bitrate_and_Bandwidth_Calculator.html