Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W0GMJ callsign genealogy
Currently held by SIEFERS, JOHN E
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 W0GMJ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W0GMJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0GMJ, oldest first.
- MYERS, JAMES A CO1987-08-11 → cancelled 1999-08-16
- SIEFERS, JOHN E CO2019-08-06 active