Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1TUK callsign genealogy
Currently held by Konrad, William L
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 K1TUK's current licensee, walking backwards.
- Dawson, MarkVAgranted 2024-02-21cancelled 2024-03-19
Successor callsigns
Callsigns held now by people who previously held K1TUK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1TUK, oldest first.
- Konrad, William L CT2006-04-07 → cancelled 2018-05-02
- Dawson, Mark VA2024-03-19 active