Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD5UT callsign genealogy
Currently held by Austin Byrum, Andrew C
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 AD5UT's current licensee, walking backwards.
- Austin, Andrew CARgranted 2004-03-11cancelled 2005-09-16
Successor callsigns
Callsigns held now by people who previously held AD5UT.
No current licensee on record previously held this callsign.