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

WC5OES callsign genealogy

Currently held by CALIFORNIA EMERGENCY SERVICES RADIO ASSN

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 WC5OES's current licensee, walking backwards.

  1. KF6NGIcancelled
    HUDSON III, JOHN Ncancelled 1998-05-11

Successor callsigns

Callsigns held now by people who previously held WC5OES.

  1. W5OESactive
    CALIFORNIA EMERGENCY SERVICES RADIO ASSNCAgranted 2015-05-08
← Back to WC5OES License history →