Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9JJC callsign genealogy
Currently held by CALLOW, JOSEPH 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 W9JJC's current licensee, walking backwards.
- Callow, Joseph JWIgranted 2005-04-04cancelled 2005-05-27
Successor callsigns
Callsigns held now by people who previously held W9JJC.
No current licensee on record previously held this callsign.