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

KJ7OBK callsign genealogy

Currently held by CAMPBELL, RON

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 KJ7OBK's current licensee, walking backwards.

The current licensee has not held any other callsign on record.

Successor callsigns

Callsigns held now by people who previously held KJ7OBK.

  1. K7URCcancelled· T
    CAMPBELL 995, RONUTgranted 2020-06-20cancelled 2022-07-01