uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-11

K6RKB callsign genealogy

Currently held by Brown Jr, Robert K

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 K6RKB's current licensee, walking backwards.

  1. KM6UKUcancelled· G
    Brown Jr, Robert KCAgranted 2018-07-03cancelled 2019-03-23

Successor callsigns

Callsigns held now by people who previously held K6RKB.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K6RKB, oldest first.

  • BAYHA, ROBERT K CA
    1998-01-07 → cancelled 2010-01-08
  • Brown Jr, Robert K CA
    2019-03-23 active