Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1PRU callsign genealogy
Currently held by MAHONEY, JOSEPH F
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 K1PRU's current licensee, walking backwards.
- Byrne, NolanRIgranted 2022-06-08cancelled 2022-09-24
Successor callsigns
Callsigns held now by people who previously held K1PRU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1PRU, oldest first.
- MAHONEY, JOSEPH F RI1994-07-15 → cancelled 2006-07-18
- Byrne, Nolan RI2022-09-24 active