Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6CHI callsign genealogy
Currently held by INGMAN, THOMAS M
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 K6CHI's current licensee, walking backwards.
- Murphy, Jeffrey KCAgranted 2026-01-29cancelled 2026-02-20
Successor callsigns
Callsigns held now by people who previously held K6CHI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6CHI, oldest first.
- INGMAN, THOMAS M CA2008-07-19 → cancelled 2020-10-07
- Murphy, Jeffrey K CA2026-02-20 active