Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5JMO callsign genealogy
Currently held by Moczygemba, Jason
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 W5JMO's current licensee, walking backwards.
- Moczygemba, JasonTXgranted 2025-06-24cancelled 2025-07-12
Successor callsigns
Callsigns held now by people who previously held W5JMO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5JMO, oldest first.
- O NEAL, JAMES M MS2010-04-02 → cancelled 2022-06-22
- Moczygemba, Jason TX2025-07-12 active