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

K1MFB callsign genealogy

Currently held by Beck III, Mark F

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 K1MFB's current licensee, walking backwards.

  1. K3MFBcancelled· G
    Beck III, Mark FVTgranted 2017-12-05cancelled 2021-11-16
  2. KC1IBDcancelled· G
    Beck III, Mark FVTgranted 2017-08-31cancelled 2017-12-05

Successor callsigns

Callsigns held now by people who previously held K1MFB.

  1. K5MFBactive· T
    Bramanti, Matthew FTXgranted 2019-10-27

All historical holders

Every license row we've seen with the callsign K1MFB, oldest first.

  • Bramanti, Matthew F TX
    2014-01-28 → cancelled 2019-10-27
  • Beck III, Mark F VT
    2021-11-16 active
← Back to K1MFB License history →