Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0YFS callsign genealogy
Currently held by COSOLAPOV, ALEXANDRU
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 N0YFS's current licensee, walking backwards.
- KB0KNBno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held N0YFS.
- COSOLAPOV, ALEXANDRUMDgranted 2021-12-17