Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF1RAB callsign genealogy
Currently held by Breen 420, Roy 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 KF1RAB's current licensee, walking backwards.
- Roy, BreenCOgranted 2020-07-15cancelled 2020-08-07
Successor callsigns
Callsigns held now by people who previously held KF1RAB.
No current licensee on record previously held this callsign.