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

KQ3W callsign genealogy

Currently held by COUGHLIN, M

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 KQ3W's current licensee, walking backwards.

  1. W3MBCcancelled· E
    COUGHLIN, MMDgranted 2016-01-19cancelled 2020-03-07
  2. KC3DLDcancelled· G
    COUGHLIN, MICHAEL BMDgranted 2014-09-08cancelled 2016-01-19

Successor callsigns

Callsigns held now by people who previously held KQ3W.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KQ3W, oldest first.

  • Slaugh, Philip S PA
    2007-10-15 → cancelled 2020-01-09
  • COUGHLIN, M MD
    2020-03-07 active
← Back to KQ3W License history →