Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KU1Y callsign genealogy
Currently held by FENSTERMACHER MR, BRUCE T
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 KU1Y's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KU1Y.
No current licensee on record previously held this callsign.