Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB1RF callsign genealogy
Currently held by NORTH, DANIEL K
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 AB1RF's current licensee, walking backwards.
- MEDEIROS, THOMAS JFLgranted 2018-08-09cancelled 2018-11-03
Successor callsigns
Callsigns held now by people who previously held AB1RF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AB1RF, oldest first.
- NORTH, DANIEL K ME2003-06-03 → cancelled 2015-06-04
- MEDEIROS, THOMAS J FL2018-11-03 active