Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB3F callsign genealogy
Currently held by Munsell, James A
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 AB3F's current licensee, walking backwards.
- Munsell, James AINgranted 2021-06-29cancelled 2021-09-28
Successor callsigns
Callsigns held now by people who previously held AB3F.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB3F, oldest first.
- VOLKER, ROBERT L FL2009-07-07 → cancelled 2021-09-10
- Munsell, James A IN2021-09-28 active