Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2FIR callsign genealogy
Currently held by Sabel, John D
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 K2FIR's current licensee, walking backwards.
- Sabel, John DNJgranted 2024-02-21cancelled 2024-03-12
Successor callsigns
Callsigns held now by people who previously held K2FIR.
- Sabel, John DNJgranted 2024-07-20