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

K8OTR callsign genealogy

Currently held by HARBST III, HARRY A

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 K8OTR's current licensee, walking backwards.

  1. KB8JXFcancelled· G
    HARBST III, HARRY AOHgranted 2003-12-17cancelled 2011-02-05

Successor callsigns

Callsigns held now by people who previously held K8OTR.

No current licensee on record previously held this callsign.