Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6CTT callsign genealogy
Currently held by Tanimura, Cheri
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 K6CTT's current licensee, walking backwards.
- Tanimura, CheriCAgranted 2016-12-02cancelled 2017-01-04
Successor callsigns
Callsigns held now by people who previously held K6CTT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6CTT, oldest first.
- HILTABIDDLE, JOHN P CA1990-03-06 → cancelled 2002-03-07
- Tanimura, Cheri CA2017-01-04 active