Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6KTH callsign genealogy
Currently held by BIGGI, STEVE
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 K6KTH's current licensee, walking backwards.
- Hermon, Thomas MCAgranted 2016-07-13cancelled 2019-02-26
Successor callsigns
Callsigns held now by people who previously held K6KTH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6KTH, oldest first.
- BIGGI, STEVE CA2004-12-16 → cancelled 2017-03-15
- Hermon, Thomas M CA2019-02-26 active