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

W3HRK callsign genealogy

Currently held by University Of Pittsburgh Amateur Radio Associaton

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 W3HRK's current licensee, walking backwards.

  1. KB3UMLcancelled
    University Of Pittsburgh Amateur Radio AssociatonPAgranted 2010-05-07cancelled 2010-10-13

Successor callsigns

Callsigns held now by people who previously held W3HRK.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W3HRK, oldest first.

  • STEWART, GLENN A PA
    2008-02-05 → cancelled 2010-04-07
  • University Of Pittsburgh Amateur Radio Associaton PA
    2021-05-11 active