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

K4BRA callsign genealogy

Currently held by Moura, Marcio R

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 K4BRA's current licensee, walking backwards.

  1. K1BRAactive· E
    Henrion, TimFLgranted 2026-06-04
  2. KC1EOQcancelled· E
    Henrion, TimMAgranted 2015-10-22cancelled 2016-08-13

Successor callsigns

Callsigns held now by people who previously held K4BRA.

  1. K1BRAcancelled· G
    Moura, Marcio RGAgranted 2009-06-30cancelled 2009-09-15

All historical holders

Every license row we've seen with the callsign K4BRA, oldest first.

  • Moura, Marcio R MA
    2007-05-04 → cancelled 2009-06-30
  • Moura, Marcio R GA
    2019-06-21 active
← Back to K4BRA License history →