Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7ZDC callsign genealogy
Currently held by TERRY, DON A
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 W7ZDC's current licensee, walking backwards.
- TERRY, MARK AUTgranted 2019-03-27cancelled 2019-04-16
Successor callsigns
Callsigns held now by people who previously held W7ZDC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7ZDC, oldest first.
- TERRY, DON A UT2006-09-28 → cancelled 2018-09-19
- TERRY, MARK A UT2019-04-16 active