interstation

adjective

in·​ter·​sta·​tion ˌin-tər-ˈstā-shən 

variants or inter-station

: existing or occurring between stations

interstation communication

I fed it two test signals, one from a pink-noise generator, the other from ordinary interstation hiss on FM.

—Iva Berger

Word History

First Known Use

1937, in the meaning defined above