Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1YYU callsign genealogy
Currently held by Torres, Raymond
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 KC1YYU's current licensee, walking backwards.
- Torres, RaymondMAgranted 2026-01-27cancelled 2026-02-10
Successor callsigns
Callsigns held now by people who previously held KC1YYU.
- Torres, RaymondMAgranted 2026-01-27