Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1ATE callsign genealogy
Currently held by Dezan, Matthew R
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 W1ATE's current licensee, walking backwards.
- Dezan, Matthew RCOgranted 2007-08-14cancelled 2007-09-07
Successor callsigns
Callsigns held now by people who previously held W1ATE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1ATE, oldest first.
- KNOWLTON, CHADBOURNE R AZ1996-01-30 → cancelled 2002-12-19
- Dezan, Matthew R CO2017-08-08 active