Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1OYO callsign genealogy
Currently held by SHOFF, SAMUEL G
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 K1OYO's current licensee, walking backwards.
- SHOFF, SAMUEL GNYgranted 1996-11-25cancelled 2000-03-17
Successor callsigns
Callsigns held now by people who previously held K1OYO.
No current licensee on record previously held this callsign.