Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0PMO callsign genealogy
Currently held by SNELL, JAMES R
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 W0PMO's current licensee, walking backwards.
- SNELL, JAMES RTXgranted 2019-01-02cancelled 2021-03-20
Successor callsigns
Callsigns held now by people who previously held W0PMO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0PMO, oldest first.
- PREUSS, LOUIS H MO1996-08-05 → cancelled 2008-08-06
- SNELL, JAMES R MN2021-03-20 active