Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7ZDW callsign genealogy
Currently held by COBB, LA REE W
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 N7ZDW's current licensee, walking backwards.
- DEDGE, THOMAS RAZgranted 2011-08-23cancelled 2014-01-10
Successor callsigns
Callsigns held now by people who previously held N7ZDW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7ZDW, oldest first.
- COBB, LA REE W UT1992-06-23 → cancelled 2004-06-24
- DEDGE, THOMAS R AZ2014-01-10 → cancelled 2026-03-07