Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1KOS callsign genealogy
Currently held by Gana, Sheldon J
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 K1KOS's current licensee, walking backwards.
- Gana, Sheldon JMAgranted 2020-06-05cancelled 2020-06-23
Successor callsigns
Callsigns held now by people who previously held K1KOS.
No current licensee on record previously held this callsign.