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

N4YBT callsign genealogy

Currently held by FABIAN, CARL L

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 N4YBT's current licensee, walking backwards.

  1. WA3WCJ
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N4YBT.

No current licensee on record previously held this callsign.

← Back to N4YBT License history →