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

N1BL callsign genealogy

Currently held by LUCKOW JR, WILLIAM C

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 N1BL's current licensee, walking backwards.

  1. KE7DQcancelled· E
    LUCKOW JR, WILLIAM CCAgranted 1997-10-24cancelled 2000-06-06

Successor callsigns

Callsigns held now by people who previously held N1BL.

  1. W1EPZexpired· E
    COSSABOOM, KENNETH RFLgranted 1996-08-08cancelled 2008-08-09