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Confidence: Medium · Source: FCC ULS · As of 2026-09-16

N9CYF callsign genealogy

Currently held by GUINN, ERNEST E

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 N9CYF's current licensee, walking backwards.

  1. WA4SDB
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N9CYF.

No current licensee on record previously held this callsign.

← Back to N9CYF License history →