Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WW4JDO callsign genealogy
Currently held by Brown, Gary R
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 WW4JDO's current licensee, walking backwards.
- BROWN, GARY RFLgranted 2004-08-13cancelled 2004-10-16
Successor callsigns
Callsigns held now by people who previously held WW4JDO.
No current licensee on record previously held this callsign.