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

N1YSO callsign genealogy

Currently held by OYLER, PAUL S

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 N1YSO's current licensee, walking backwards.

  1. KC5YZL
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N1YSO.

No current licensee on record previously held this callsign.

← Back to N1YSO License history →