Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W8ATC callsign genealogy
Currently held by Williamson, Larry D
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 W8ATC's current licensee, walking backwards.
- Williamson, Larry DMIgranted 2015-03-30cancelled 2015-11-13
Successor callsigns
Callsigns held now by people who previously held W8ATC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W8ATC, oldest first.
- GIVEN JR, PATE E AZ1997-12-23 → cancelled 2009-12-24
- Williamson, Larry D MI2025-08-16 active