Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0PNP callsign genealogy
Currently held by DAVIDSON, JIM L
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 W0PNP's current licensee, walking backwards.
- Feldman, AlexanderCAgranted 2017-04-04cancelled 2017-04-25
Successor callsigns
Callsigns held now by people who previously held W0PNP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0PNP, oldest first.
- DAVIDSON, JIM L MO2004-07-30 → cancelled 2016-08-02
- Feldman, Alexander CA2017-04-25 active