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

KF8MB callsign genealogy

Currently held by CZERKIS, MELVYN M

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 KF8MB's current licensee, walking backwards.

  1. AC8MHactive· E
    Harper, MarcWVgranted 2024-05-14
  2. NV6Lcancelled· E
    Harper, MarcNCgranted 2019-12-13cancelled 2024-05-14

Successor callsigns

Callsigns held now by people who previously held KF8MB.

  1. AC8MHcancelled· E
    CZERKIS, MELVYN MMIgranted 2013-06-27cancelled 2013-12-24

All historical holders

Every license row we've seen with the callsign KF8MB, oldest first.

  • CZERKIS, MELVYN M MI
    2003-09-09 → cancelled 2012-07-26
  • CZERKIS, MELVYN M MI
    2013-12-24 → cancelled 2026-03-07