Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC8BYO callsign genealogy
Currently held by PALMER, WILLARD H
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 KC8BYO's current licensee, walking backwards.
- Palmer, Michael ROHgranted 2019-03-14cancelled 2019-04-05
Successor callsigns
Callsigns held now by people who previously held KC8BYO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC8BYO, oldest first.
- PALMER, WILLARD H OH2007-01-24 → cancelled 2019-02-12
- PALMER, MICHAEL R OH2019-04-05 active