Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6GX callsign genealogy
Currently held by Woo, Jonathan 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 W6GX's current licensee, walking backwards.
- Woo, Jonathan CIDgranted 2009-03-19cancelled 2010-03-09
Successor callsigns
Callsigns held now by people who previously held W6GX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6GX, oldest first.
- BROWN, EDWARD A CA2006-08-17 → cancelled 2007-04-12
- Woo, Jonathan C CO2019-12-18 active