Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1GUU callsign genealogy
Currently held by AMES, DONALD 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 W1GUU's current licensee, walking backwards.
- AMES, GARY EGAgranted 2019-11-26cancelled 2020-04-17
Successor callsigns
Callsigns held now by people who previously held W1GUU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1GUU, oldest first.
- AMES, DONALD R GA2010-05-17 → cancelled 2020-01-12
- AMES, GARY E KS2020-04-17 active