Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF6QDY callsign genealogy
Currently held by KOSKA, THOMAS 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 KF6QDY's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KF6QDY.
- W6CAactiveTARZANA AMATEUR RADIO CLUBCAgranted 2018-04-11