Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4GPJ callsign genealogy
Currently held by SHIPLEY, WILLIAM A
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 N4GPJ's current licensee, walking backwards.
- HENLEY, ALLEN ETNgranted 2015-05-22cancelled 2020-09-15
Successor callsigns
Callsigns held now by people who previously held N4GPJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4GPJ, oldest first.
- SHIPLEY, WILLIAM A GA2007-12-11 → cancelled 2020-01-24
- Henley, Allen E TN2020-09-15 active