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

N9JDD callsign genealogy

Currently held by SCHUMACHER, DENNIS L

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 N9JDD's current licensee, walking backwards.

  1. KB9CPC
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N9JDD.

No current licensee on record previously held this callsign.

← Back to N9JDD License history →