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

W8EC callsign genealogy

Currently held by Haas, Mark R

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 W8EC's current licensee, walking backwards.

  1. KE8MJHcancelled· E
    Haas, Mark ROHgranted 2019-05-23cancelled 2022-11-04

Successor callsigns

Callsigns held now by people who previously held W8EC.

  1. N5IYcancelled· E
    DE SIMIO, MARTIN POHgranted 2020-10-16cancelled 2025-08-09
  2. W4BTcancelled· E
    KNEDLER, CRAIG RSDgranted 2017-09-12cancelled 2021-11-13

All historical holders

Every license row we've seen with the callsign W8EC, oldest first.

  • FREITAG, HOWARD V TX
    2006-06-02 → cancelled 2012-08-24
  • KNEDLER, CRAIG R GA
    2014-09-12 → cancelled 2017-09-12
  • DE SIMIO, MARTIN P NM
    2019-10-01 → cancelled 2020-10-16
  • Haas, Mark R OH
    2022-11-04 active
← Back to W8EC License history →