http://www.ne.jp/asahi/hamradio/je9pel/
http://www.amsat.org.ar/pass.htm (Map of current satellite passes)
https://www.amsat.org/station-and-operating-hints/
https://www.ntms.org/files/May2020/Amateur_Satellites_2020-May-SARA.pdf
https://stationproject.blog/wp-content/uploads/2020/06/Get-Started-with-Amateur-Satellites-v2.pdf
https://www.ntms.org/files/May2020/Amateur_Satellites_2020-May-SARA.pdf