Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4KPD callsign genealogy
Currently held by Upshaw Sr, John D
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 K4KPD's current licensee, walking backwards.
- Shepherd, Christian MGAgranted 2021-06-04cancelled 2021-06-29
Successor callsigns
Callsigns held now by people who previously held K4KPD.
- Upshaw Sr, John DWAgranted 2013-01-15cancelled 2023-01-03
All historical holders
Every license row we've seen with the callsign K4KPD, oldest first.
- Upshaw Sr, John D TN2002-10-22 → cancelled 2003-03-18
- Shepherd, Christian M GA2021-06-29 active