It's a portable radio station, tower and all.

Frequently, entire radio clubs get involved and assemble a portable radio station in a field or park.

In response to the 2004 Indian Ocean earthquake and tsunami, Radio Netherlands Worldwide (RNW) developed a portable radio station in 20 ft shipping container.

You're listening to W.IED 102.5 FM 'the bomb'," joked Staff Sergeant Todd Bowers as he slotted another cassette of religious chants into his portable radio station.