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

N5BLM callsign genealogy

Currently held by CHELSON, RICHARD D

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 N5BLM's current licensee, walking backwards.

  1. KC0ZVRcancelled· G
    CHELSON, RICHARD DARgranted 2016-12-13cancelled 2017-01-06

Successor callsigns

Callsigns held now by people who previously held N5BLM.

  1. WS5Xcancelled· E
    McElvy, Brian LTXgranted 2004-09-18cancelled 2005-04-12
  2. KL7RBcancelled· G
    DIEHL, STEVEN LPAgranted 1991-10-22cancelled 2001-09-28

All historical holders

Every license row we've seen with the callsign N5BLM, oldest first.

  • McElvy, Brian L TX
    2002-03-29 → cancelled 2004-09-18
  • CHELSON, RICHARD D MS
    2017-01-06 active