uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

N6XFH callsign genealogy

Currently held by CLARK, DOUGLAS J

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 N6XFH's current licensee, walking backwards.

  1. KC6FJT
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N6XFH.

No current licensee on record previously held this callsign.

← Back to N6XFH License history →