Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7JPJ callsign genealogy
Currently held by PARKER, DONALD 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 W7JPJ's current licensee, walking backwards.
- Julian, John PORgranted 2013-05-10cancelled 2016-12-09
Successor callsigns
Callsigns held now by people who previously held W7JPJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7JPJ, oldest first.
- PARKER, DONALD J AZ1991-07-23 → cancelled 2003-07-24
- Julian, John P CO2016-12-09 active