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

N4JOC callsign genealogy

Currently held by KLINE, WILLIAM 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 N4JOC's current licensee, walking backwards.

  1. WD0HGA
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N4JOC.

No current licensee on record previously held this callsign.

← Back to N4JOC License history →