Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AD7GM callsign genealogy
Currently held by Brow, John N
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by AD7GM's current licensee, walking backwards.
- Brow, John NWAgranted 2002-04-03cancelled 2005-06-27
Successor callsigns
Callsigns held now by people who previously held AD7GM.
- Brow, John NTXgranted 2018-01-19