Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ4WP callsign genealogy
Currently held by Phelps, Charles W
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 AJ4WP's current licensee, walking backwards.
- Phelps, Charles WTNgranted 2003-09-24cancelled 2004-05-26
Successor callsigns
Callsigns held now by people who previously held AJ4WP.
No current licensee on record previously held this callsign.