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

K9MAF callsign genealogy

Currently held by FRIEND, MATTHEW A

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 K9MAF's current licensee, walking backwards.

  1. KC9URCcancelled· G
    Fountain, Marc AINgranted 2011-08-29cancelled 2013-12-27

Successor callsigns

Callsigns held now by people who previously held K9MAF.

  1. WW9Mactive· E
    Fountain, Marc AINgranted 2020-05-08
  2. W0EUVexpired· G
    FRIEND, MATTHEW AILgranted 2011-12-06cancelled 2023-12-07

All historical holders

Every license row we've seen with the callsign K9MAF, oldest first.

  • FRIEND, MATTHEW A IL
    2008-02-02 → cancelled 2011-12-06
  • Fountain, Marc A IN
    2013-12-27 → cancelled 2020-05-08
← Back to K9MAF License history →