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

K9EMF callsign genealogy

Currently held by Greil, Dan S

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 K9EMF's current licensee, walking backwards.

  1. KB9ECJcancelled· G
    SIEGEL, MATTHEW DILgranted 2014-04-05cancelled 2017-02-04
  2. N9JLSactive· E
    Swain, Judith LCAgranted 2020-07-24
  3. KK2JLScancelled· E
    Swain, Judith LCAgranted 2015-05-27cancelled 2020-07-24
  4. KK6TZDcancelled· T
    Swain, Judith LCAgranted 2015-05-05cancelled 2015-05-27

Successor callsigns

Callsigns held now by people who previously held K9EMF.

  1. AE9Kactive· E
    Greil, Dan SSCgranted 2024-08-08

All historical holders

Every license row we've seen with the callsign K9EMF, oldest first.

  • Greil, Dan S IN
    2004-01-03 → cancelled 2004-11-05
  • SIEGEL, MATTHEW D IL
    2017-02-04 active
← Back to K9EMF License history →