uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

KA6USA callsign genealogy

Currently held by Handler, Jonathan L

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 KA6USA's current licensee, walking backwards.

  1. KK6JBXcancelled· G
    Handler, Jonathan LCAgranted 2014-01-27cancelled 2015-01-30

Successor callsigns

Callsigns held now by people who previously held KA6USA.

  1. WA4USAactive· A
    PHARIS, CHARLES RALgranted 2020-03-11

All historical holders

Every license row we've seen with the callsign KA6USA, oldest first.

  • PHARIS, CHARLES R TN
    2007-06-26 → cancelled 2010-05-14
  • Handler, Jonathan L CA
    2024-11-02 active