Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4GYT callsign genealogy
Currently held by Gribble, Mark K
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 K4GYT's current licensee, walking backwards.
- Gribble, Mark KVAgranted 2001-08-15cancelled 2005-04-23
Successor callsigns
Callsigns held now by people who previously held K4GYT.
- Gribble, Mark KVAgranted 2017-09-09