Confidence: Medium · Source: FCC ULS · As of 2026-09-11
K1OPS callsign genealogy
Currently held by FILIPPOV, VLADIMIR
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 K1OPS's current licensee, walking backwards.
- FILIPPOV, VLADIMIRFLgranted 2024-02-09cancelled 2024-03-02
Successor callsigns
Callsigns held now by people who previously held K1OPS.
No current licensee on record previously held this callsign.