Confidence: Medium · Source: FCC ULS · As of 2026-09-11
WD6ABC callsign genealogy
Currently held by BUSH, JOHN M
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 WD6ABC's current licensee, walking backwards.
- BUSH, JOHN MCAgranted 2015-08-25cancelled 2017-11-03
Successor callsigns
Callsigns held now by people who previously held WD6ABC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WD6ABC, oldest first.
- NORDSTROM, RONALD G CT1998-03-31 → cancelled 2010-04-01
- BUSH, JOHN M CA2017-11-03 active