Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7JJC callsign genealogy
Currently held by CASTRO, JOSE 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 W7JJC's current licensee, walking backwards.
- CASTRO, JOSE JORgranted 2010-10-29cancelled 2011-01-28
Successor callsigns
Callsigns held now by people who previously held W7JJC.
No current licensee on record previously held this callsign.