Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA9PHD callsign genealogy
Currently held by CHASE, HANSON
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 WA9PHD's current licensee, walking backwards.
- CHASE, HANSONWAgranted 2016-10-19cancelled 2016-11-15
Successor callsigns
Callsigns held now by people who previously held WA9PHD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA9PHD, oldest first.
- TRAXLER, DAVID B TX1996-12-24 → cancelled 2008-12-25
- CHASE, HANSON WA2016-11-15 active