Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AG4TK callsign genealogy
Currently held by BYRDWELL, MARVIN 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 AG4TK's current licensee, walking backwards.
- BYRDWELL, MARVIN MGAgranted 2002-04-22cancelled 2002-06-04
Successor callsigns
Callsigns held now by people who previously held AG4TK.
No current licensee on record previously held this callsign.