Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB4SHP callsign genealogy
Currently held by SWINNEY, JOHN S
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 KB4SHP's current licensee, walking backwards.
- SWINNEY, JOHN SVAgranted 2020-02-10cancelled 2020-02-29
Successor callsigns
Callsigns held now by people who previously held KB4SHP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB4SHP, oldest first.
- AARON JR, ERNEST E GA2005-09-09 → cancelled 2017-12-09
- SWINNEY, JOHN S VA2020-02-29 active