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

W8MU callsign genealogy

Currently held by WATT, MARTIN D

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 W8MU's current licensee, walking backwards.

  1. KD8SKOcancelled· E
    Kobish Jr, Donald HMIgranted 2012-05-18cancelled 2016-12-20

Successor callsigns

Callsigns held now by people who previously held W8MU.

  1. K0INactive· E
    WATT, MARTIN DIAgranted 2024-09-07
  2. K3STMcancelled· E
    WATT, MARTIN DPAgranted 2012-01-31cancelled 2013-07-06
  3. K7BNcancelled· E
    WATT, MARTIN DPAgranted 2010-02-19cancelled 2010-09-08
  4. K7BNcancelled· E
    WATT, MARTIN DNVgranted 2008-01-26cancelled 2008-03-14

All historical holders

Every license row we've seen with the callsign W8MU, oldest first.

  • PASCAVIS, JOSEPH E MI
    1994-05-17 → cancelled 2006-05-18
  • WATT, MARTIN D OH
    2006-06-06 → cancelled 2008-01-26
  • WATT, MARTIN D OH
    2008-03-14 → cancelled 2010-02-19
  • WATT, MARTIN D PA
    2011-08-26 → cancelled 2012-01-31
  • WATT, MARTIN D IA
    2013-07-06 → cancelled 2014-11-29
  • Kobish Jr, Donald H MI
    2016-12-20 active
← Back to W8MU License history →