Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7DFW callsign genealogy
Currently held by HIGH, JOHN 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 W7DFW's current licensee, walking backwards.
- Curtis, Robert AWAgranted 2016-01-19cancelled 2016-02-12
Successor callsigns
Callsigns held now by people who previously held W7DFW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7DFW, oldest first.
- HIGH, JOHN D AZ2001-04-19 → cancelled 2013-05-08
- Curtis, Robert A WA2026-01-21 active