Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4OMA callsign genealogy
Currently held by BISHOP, DIANE 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 W4OMA's current licensee, walking backwards.
- BISHOP, DIANE LVAgranted 2013-02-26cancelled 2013-09-24
Successor callsigns
Callsigns held now by people who previously held W4OMA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4OMA, oldest first.
- MASSON SR, FRANK R NC1988-04-19 → cancelled 2000-04-20
- BISHOP, DIANE L OR2023-08-10 active