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

N9EAJ callsign genealogy

Currently held by BLOCK JR, JOHN F

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 N9EAJ's current licensee, walking backwards.

  1. KA9OIG
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N9EAJ.

No current licensee on record previously held this callsign.

← Back to N9EAJ License history →