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

K8HQ callsign genealogy

Currently held by STEMPNIEWSKI JR, WALTER T

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 K8HQ's current licensee, walking backwards.

  1. N8COPcancelled· A
    ADAMS SR, RICHARD ATXgranted 2018-12-01cancelled 2020-10-06
  2. K5HCJcancelled· A
    ADAMS SR, RICHARD ATXgranted 2013-06-07cancelled 2018-12-01

Successor callsigns

Callsigns held now by people who previously held K8HQ.

  1. K3HQexpired· E
    MC KELVIE, RICHARD TMDgranted 2010-12-07cancelled 2023-03-03

All historical holders

Every license row we've seen with the callsign K8HQ, oldest first.

  • MC KELVIE, RICHARD T MD
    2000-06-23 → cancelled 2001-03-02
  • STEMPNIEWSKI JR, WALTER T MI
    2003-03-22 → cancelled 2015-03-24
  • MERTOIAN, CHRISTOPHER MI
    2025-04-09 active
← Back to K8HQ License history →