android - how to do i get the status of satellites i.e. alive or dead while flight is in air -

i'm planning build small app in android checks status of satellite i.e. alive or dead.

in airplane cabin, crew member can use internet mulitple wireless access point connected satellite modem. satellite modem connected radome gets to-n-fro signals satellite. suppose use iridium satellite internet services.

how app communicate satellite it's status. communicate via router or satellite modem it's status.

thanks,