Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4JEC callsign genealogy
Currently held by CROSBY, JAMES E
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 K4JEC's current licensee, walking backwards.
- CROSBY, JAMES EVAgranted 1998-01-27cancelled 2003-10-28
Successor callsigns
Callsigns held now by people who previously held K4JEC.
No current licensee on record previously held this callsign.