Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1YBO callsign genealogy
Currently held by Papp Sr, Georg
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 K1YBO's current licensee, walking backwards.
- Papp Sr, GeorgCTgranted 2022-01-05cancelled 2022-03-15
Successor callsigns
Callsigns held now by people who previously held K1YBO.
No current licensee on record previously held this callsign.