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

N9JSO callsign genealogy

Currently held by TRAMMEL, GARY D

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 N9JSO's current licensee, walking backwards.

  1. KB9ELU
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N9JSO.

No current licensee on record previously held this callsign.

← Back to N9JSO License history →