Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4YN callsign genealogy
Currently held by MC DOUGAL, MARK T
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 K4YN's current licensee, walking backwards.
- MC DOUGAL, MARK TTNgranted 1999-03-18cancelled 2005-03-29
Successor callsigns
Callsigns held now by people who previously held K4YN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4YN, oldest first.
- JONES, FINIS R GA1996-12-18 → cancelled 2002-03-12
- MC DOUGAL, MARK T GA2025-03-18 active