Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0FRN callsign genealogy
Currently held by KOFFRON, BENJAMIN G
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 K0FRN's current licensee, walking backwards.
- KOFFRON, BENJAMIN GIAgranted 2018-11-07cancelled 2018-11-27
Successor callsigns
Callsigns held now by people who previously held K0FRN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0FRN, oldest first.
- CHRISTENSEN, SAMMY J WY2006-03-29 → cancelled 2018-04-05
- KOFFRON, BENJAMIN G IA2018-11-27 active