Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4JC callsign genealogy
Currently held by CONCEPCION, JOSE D
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 WP4JC's current licensee, walking backwards.
- CONCEPCION, JOSE DPRgranted 2009-09-28cancelled 2009-11-03
Successor callsigns
Callsigns held now by people who previously held WP4JC.
No current licensee on record previously held this callsign.