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

K5YO callsign genealogy

Currently held by SEBESTA, CLARENCE W

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 K5YO's current licensee, walking backwards.

  1. AC5CD
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held K5YO.

No current licensee on record previously held this callsign.

← Back to K5YO License history →