Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7ADM callsign genealogy
Currently held by Bergum, Gordon B
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 W7ADM's current licensee, walking backwards.
- Mowry, Alan DIDgranted 2016-10-04cancelled 2016-12-24
Successor callsigns
Callsigns held now by people who previously held W7ADM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7ADM, oldest first.
- Bergum, Gordon B WA2005-02-25 → cancelled 2014-12-03
- Mowry, Alan D ID2016-12-24 active