Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9GPD callsign genealogy
Currently held by Dewolfe, Joseph J
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 K9GPD's current licensee, walking backwards.
- Dewolfe, Joseph JMAgranted 2015-10-16cancelled 2016-11-26
Successor callsigns
Callsigns held now by people who previously held K9GPD.
- Dewolfe, Joseph JMAgranted 2023-07-18