Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0JAX callsign genealogy
Currently held by Hammond, Jack B
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 K0JAX's current licensee, walking backwards.
- Hammond, Jack BCOgranted 2003-09-12cancelled 2011-02-23
Successor callsigns
Callsigns held now by people who previously held K0JAX.
No current licensee on record previously held this callsign.