Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK7YAS callsign genealogy
Currently held by Rosen, Charles B
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 KK7YAS'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 KK7YAS.
- Rosen, Charles BWAgranted 2024-12-28cancelled 2026-08-04