Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1RKT callsign genealogy
Currently held by TYSON, ROY A
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 K1RKT's current licensee, walking backwards.
- Tyson, Roy ANEgranted 2019-08-26cancelled 2019-09-24
Successor callsigns
Callsigns held now by people who previously held K1RKT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1RKT, oldest first.
- MARCHULITIS, THOMAS M CT1997-01-28 → cancelled 2009-01-29
- TYSON, ROY A NE2019-09-24 active