Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0JMC callsign genealogy
Currently held by MCCOMB, JOHN G
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 W0JMC's current licensee, walking backwards.
- COYNE JR, JOHN MWAgranted 2020-05-07cancelled 2020-05-27
Successor callsigns
Callsigns held now by people who previously held W0JMC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0JMC, oldest first.
- MCCOMB, JOHN G CO2008-08-30 → cancelled 2017-02-23
- COYNE JR, JOHN M WA2020-05-27 active