Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3YO callsign genealogy
Currently held by McCusker, James V
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 K3YO's current licensee, walking backwards.
- McCusker, James VPAgranted 2015-07-13cancelled 2020-03-17
Successor callsigns
Callsigns held now by people who previously held K3YO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3YO, oldest first.
- MC GEE SR, ALBERT B PA2008-02-26 → cancelled 2020-02-27
- McCusker, James V PA2020-03-17 active