Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7DAZ callsign genealogy
Currently held by CATHEY SR, JOHNNIE D
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 W7DAZ's current licensee, walking backwards.
- Baker, DerekAZgranted 2017-03-24cancelled 2017-04-15
Successor callsigns
Callsigns held now by people who previously held W7DAZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7DAZ, oldest first.
- CATHEY SR, JOHNNIE D WA1995-05-10 → cancelled 2007-05-11
- Baker, Derek AZ2017-04-15 active