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

K5RT callsign genealogy

Currently held by BLUMHARDT, PAUL V

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 K5RT's current licensee, walking backwards.

  1. KS1Gactive· E
    Greene, Stephan AVAgranted 2022-05-04
  2. KA1LMactive· A
    FOWLER, DUANE BVTgranted 2026-01-10
  3. WA1NRAcancelled· A
    FOWLER, DUANE BVTgranted 2006-07-11cancelled 2015-12-08

Successor callsigns

Callsigns held now by people who previously held K5RT.

No current licensee on record previously held this callsign.

← Back to K5RT License history →