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

KC9SXB callsign genealogy

Currently held by MUNCY, JAMES K

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 KC9SXB's current licensee, walking backwards.

  1. KB9MNXcancelled· G
    MUNCY, JAMES KINgranted 2006-02-07cancelled 2010-07-30

Successor callsigns

Callsigns held now by people who previously held KC9SXB.

No current licensee on record previously held this callsign.