Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4JCJ callsign genealogy
Currently held by James, Jeremiah C
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 W4JCJ's current licensee, walking backwards.
- James, Jeremiah CVAgranted 2020-08-31cancelled 2020-09-18
Successor callsigns
Callsigns held now by people who previously held W4JCJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4JCJ, oldest first.
- SEARS, IRVING M FL1991-09-24 → cancelled 2003-09-25
- James, Jeremiah C CA2020-09-18 active