Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1U callsign genealogy
Currently held by LA BARCA, CARL R
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 KC1U's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KC1U.
No current licensee on record previously held this callsign.