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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

K3OSP callsign genealogy

Currently held by JOSEPH, JOHN B

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 K3OSP's current licensee, walking backwards.

  1. W8NRAcancelled· T
    JOSEPH, JOHN BOHgranted 2013-06-08cancelled 2022-06-18
  2. N8YULcancelled· T
    JOSEPH, JOHN BOHgranted 2003-02-25cancelled 2003-08-26

Successor callsigns

Callsigns held now by people who previously held K3OSP.

No current licensee on record previously held this callsign.

← Back to K3OSP License history →