Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0ABM callsign genealogy
Currently held by Zimmel, Brady C
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 W0ABM's current licensee, walking backwards.
- Zimmel, Brady CSDgranted 2022-05-10cancelled 2022-05-28
Successor callsigns
Callsigns held now by people who previously held W0ABM.
No current licensee on record previously held this callsign.