Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4NM callsign genealogy
Currently held by Bayman Radio Club
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 KP4NM's current licensee, walking backwards.
- WP4OOAcancelledBayman Radio ClubPRgranted 2012-04-30cancelled 2012-05-30
Successor callsigns
Callsigns held now by people who previously held KP4NM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KP4NM, oldest first.
- CRUZ, VICTOR M PR1991-07-02 → cancelled 2003-07-03
- Bayman Radio Club PR2022-04-06 active