Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0JFF callsign genealogy
Currently held by FLANNERY, JEFFREY M
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 KC0JFF's current licensee, walking backwards.
- FLANNERY, JEFFREY MKSgranted 2016-03-29cancelled 2016-04-19
Successor callsigns
Callsigns held now by people who previously held KC0JFF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC0JFF, oldest first.
- Craig, Pete TX2000-11-28 → cancelled 2012-11-29
- FLANNERY, JEFFREY M KS2026-04-21 active