Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3OY callsign genealogy
Currently held by Whartnaby, W Byron
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 K3OY's current licensee, walking backwards.
- Whartnaby, W ByronCAgranted 2001-09-21cancelled 2002-02-27
Successor callsigns
Callsigns held now by people who previously held K3OY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3OY, oldest first.
- Whartnaby, W Byron CA2002-02-01 → cancelled 2002-02-04
- Whartnaby, W. Byron TN2022-03-01 active