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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

K5BBM callsign genealogy

Currently held by MARK, BRIAN 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 K5BBM's current licensee, walking backwards.

  1. KE5JZQcancelled· T
    Mark, Brian BOKgranted 2006-08-16cancelled 2006-09-06

Successor callsigns

Callsigns held now by people who previously held K5BBM.

No current licensee on record previously held this callsign.