Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4ARM callsign genealogy
Currently held by Brenner, Alan S
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 W4ARM's current licensee, walking backwards.
- BRENNER, ALAN SFLgranted 1995-11-27cancelled 2002-04-09
Successor callsigns
Callsigns held now by people who previously held W4ARM.
No current licensee on record previously held this callsign.