Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD9GPJ callsign genealogy
Currently held by Kasper, Joel T
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 KD9GPJ's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KD9GPJ.
- Kasper, Joel TWIgranted 2016-08-09cancelled 2017-03-04