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

K3PH callsign genealogy

Currently held by SCHREIBMAIER, ROBERT A

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 K3PH's current licensee, walking backwards.

  1. K2PHactive· E
    HORENSTEIN, PAUL RNYgranted 2020-04-01
  2. WA2OBHcancelled· E
    HORENSTEIN, PAUL RNYgranted 1994-10-06cancelled 2000-06-27

Successor callsigns

Callsigns held now by people who previously held K3PH.

No current licensee on record previously held this callsign.

← Back to K3PH License history →