Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5FJP callsign genealogy
Currently held by PALMER, FREDERIC J
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 K5FJP's current licensee, walking backwards.
- Perteet, Jerrold WOKgranted 2017-07-24cancelled 2017-12-15
Successor callsigns
Callsigns held now by people who previously held K5FJP.
- PALMER, FREDERIC JTXgranted 1999-02-26cancelled 2011-03-01
All historical holders
Every license row we've seen with the callsign K5FJP, oldest first.
- Perteet, Jerrold W OK2017-12-15 active
- PALMER, FREDERIC J— → cancelled 1999-02-26