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

K8RBM callsign genealogy

Currently held by MARCUM, ROBERT 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 K8RBM's current licensee, walking backwards.

  1. KB8AYactive· E
    Bemis, StephenMIgranted 2022-04-12
  2. W8AYNcancelled· E
    Bemis, StephenMIgranted 2016-01-16cancelled 2022-04-12
  3. KE8CWLcancelled· G
    Bemis, Stephen TMIgranted 2015-12-28cancelled 2016-01-16

Successor callsigns

Callsigns held now by people who previously held K8RBM.

  1. W6RBMactive· E
    MARCUM, ROBERT BCAgranted 2020-07-24
← Back to K8RBM License history →