Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4N callsign genealogy
Currently held by GREATER MASON COUNTY AMATEUR RADIO ASSN
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 WB4N's current licensee, walking backwards.
- KF4BROcancelledGREATER MASON COUNTY AMATEUR RADIO ASSNKYgranted 2015-06-15cancelled 2025-05-28
Successor callsigns
Callsigns held now by people who previously held WB4N.
- THATCHER, GEORGE RNCgranted 2007-07-07cancelled 2019-07-16
All historical holders
Every license row we've seen with the callsign WB4N, oldest first.
- Jackson, Robert B KY2020-03-13 → cancelled 2023-12-09
- GREATER MASON COUNTY AMATEUR RADIO ASSN KY2025-05-28 active