Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WJ3OM callsign genealogy
Currently held by Mummert, John O
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 WJ3OM's current licensee, walking backwards.
- Mummert, John OPAgranted 2013-01-24cancelled 2017-05-12
Successor callsigns
Callsigns held now by people who previously held WJ3OM.
No current licensee on record previously held this callsign.