Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6PDX callsign genealogy
Currently held by Mabuhay DX Group
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 W6PDX's current licensee, walking backwards.
- Davis, Clayton AWAgranted 2021-03-22cancelled 2021-04-17
Successor callsigns
Callsigns held now by people who previously held W6PDX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6PDX, oldest first.
- Mabuhay DX Group CA2006-09-26 → cancelled 2018-09-27
- Davis, Clayton A WA2021-04-17 active