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

N5BLL callsign genealogy

Currently held by STEPANEK JR, WILLIAM 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 N5BLL's current licensee, walking backwards.

  1. N9BLLcancelled· G
    STEPANEK JR, WILLIAM LILgranted 2008-03-01cancelled 2016-05-14
  2. N9FAJcancelled· G
    STEPANEK JR, WILLIAM LILgranted 2003-01-27cancelled 2008-03-01
  3. KA9LGQ
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held N5BLL.

  1. N9WLSactive· G
    STEPANEK JR, WILLIAM LILgranted 2020-05-08
  2. W5FBSactive· G
    CLARK, WILLIAM DOKgranted 2019-11-25

All historical holders

Every license row we've seen with the callsign N5BLL, oldest first.

  • CLARK, WILLIAM D OK
    2009-09-29 → cancelled 2010-02-19
  • STEPANEK JR, WILLIAM L TX
    2016-05-14 → cancelled 2020-05-08