Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA4GYJ callsign genealogy
Currently held by JOHNSON, WINTHROP 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 WA4GYJ's current licensee, walking backwards.
- JOHNSON, WINTHROP MFLgranted 2019-11-05cancelled 2022-01-21
Successor callsigns
Callsigns held now by people who previously held WA4GYJ.
No current licensee on record previously held this callsign.