Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6KI callsign genealogy
Currently held by CALLAHAN SR, CALVIN E
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 K6KI's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K6KI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6KI, oldest first.
- CALLAHAN SR, CALVIN E CA1999-03-29 → cancelled 2006-03-18
- SALORANTA, JORMA S CA2018-02-13 active