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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

N4UCD callsign genealogy

Currently held by DOWLEN, BRYAN 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 N4UCD's current licensee, walking backwards.

  1. KB4ULV
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N4UCD.

No current licensee on record previously held this callsign.

← Back to N4UCD License history →