Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD5OL callsign genealogy
Currently held by GUYGER, WILLIAM M
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 AD5OL's current licensee, walking backwards.
- Guyger, William MTXgranted 2003-05-27cancelled 2003-06-26
Successor callsigns
Callsigns held now by people who previously held AD5OL.
No current licensee on record previously held this callsign.