Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7XD callsign genealogy
Currently held by CARLSON, DAVID B
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 W7XD's current licensee, walking backwards.
- CARLSON, DAVID BIDgranted 2018-02-09cancelled 2018-11-24
Successor callsigns
Callsigns held now by people who previously held W7XD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7XD, oldest first.
- HUGHES, JOHN W UT2006-08-17 → cancelled 2018-11-06
- CARLSON, DAVID B ID2018-11-24 active