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

N9FOK callsign genealogy

Currently held by HENNEMAN, GARY 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 N9FOK's current licensee, walking backwards.

  1. KA9SJS
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N9FOK.

No current licensee on record previously held this callsign.

← Back to N9FOK License history →