Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6THS callsign genealogy
Currently held by Straus, Theodore
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 K6THS's current licensee, walking backwards.
- Straus, TheodoreMAgranted 2026-03-25cancelled 2026-04-14
Successor callsigns
Callsigns held now by people who previously held K6THS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6THS, oldest first.
- LAY, CHARLES R UT1988-12-27 → cancelled 2000-12-28
- Straus, Theodore MA2026-04-14 active