Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0FFE callsign genealogy
Currently held by Moe, Jacob
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 K0FFE's current licensee, walking backwards.
- MOE, JACOBSDgranted 2019-08-26cancelled 2019-10-01
Successor callsigns
Callsigns held now by people who previously held K0FFE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0FFE, oldest first.
- Boyer, Sam R CO2007-09-11 → cancelled 2019-09-12
- Moe, Jacob SD2019-10-01 active