Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4YGK callsign genealogy
Currently held by THATCHER, BRENT S
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 KK4YGK's current licensee, walking backwards.
- THATCHER, BRENT STNgranted 2006-02-25cancelled 2014-02-13
Successor callsigns
Callsigns held now by people who previously held KK4YGK.
- THATCHER, BRENT STNgranted 2016-04-01