Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KL1YY callsign genealogy
Currently held by BAUR, MARVIN C
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 KL1YY's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KL1YY.
No current licensee on record previously held this callsign.