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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

W1RKD callsign genealogy

Currently held by Shields, Matthew J

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 W1RKD's current licensee, walking backwards.

  1. WA1MJScancelled· G
    Shields, Matthew JMEgranted 2020-01-27cancelled 2021-07-20
  2. KB1PXKcancelled· G
    Shields, Matthew JMEgranted 2008-02-06cancelled 2010-03-30

Successor callsigns

Callsigns held now by people who previously held W1RKD.

No current licensee on record previously held this callsign.

← Back to W1RKD License history →