Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4FPJ callsign genealogy
Currently held by CONGDON, ORVILLE E
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 K4FPJ's current licensee, walking backwards.
- GUY, CATHLEEN CALgranted 2014-06-18cancelled 2023-10-07
Successor callsigns
Callsigns held now by people who previously held K4FPJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4FPJ, oldest first.
- CONGDON, ORVILLE E AL2012-02-23 → cancelled 2021-10-15
- GUY Mrs, CATHLEEN C AL2023-10-07 active