Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1FK callsign genealogy
Currently held by BURMASTER, DAVID E
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 AB1FK's current licensee, walking backwards.
- Marshall, Ronald FVTgranted 2018-04-20cancelled 2018-07-06
Successor callsigns
Callsigns held now by people who previously held AB1FK.
- Burmaster, David EMAgranted 2008-07-04cancelled 2020-07-07
All historical holders
Every license row we've seen with the callsign AB1FK, oldest first.
- BURMASTER, DAVID E MA2005-10-20 → cancelled 2008-07-04
- Marshall, Ronald F VT2018-07-06 active