uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

K4BO callsign genealogy

Currently held by CORONADO WIRELESS ASSOCIATION

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 K4BO's current licensee, walking backwards.

  1. KG4DNPcancelled
    CORONADO WIRELESS ASSOCIATIONFLgranted 1999-06-03cancelled 2001-07-31

Successor callsigns

Callsigns held now by people who previously held K4BO.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K4BO, oldest first.

  • SMITH, JARED S FL
    1991-01-22 → cancelled 2000-02-16
  • CORONADO WIRELESS ASSOCIATION FL
    2021-05-26 active