Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD0MYM callsign genealogy
Currently held by CROCKRELL, JON C
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 WD0MYM's current licensee, walking backwards.
- CROCKRELL, JON CMOgranted 2005-10-04cancelled 2009-09-01
Successor callsigns
Callsigns held now by people who previously held WD0MYM.
- CROCKRELL, JON CILgranted 2022-03-04