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

K4LPH callsign genealogy

Currently held by Geiss, Damian P

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 K4LPH's current licensee, walking backwards.

  1. K7LPHcancelled· E
    Geiss, Damian PNCgranted 2021-10-30cancelled 2024-01-26
  2. KA4LPHcancelled· E
    Geiss, Damian PNCgranted 2020-07-23cancelled 2021-10-30
  3. AC7RGcancelled· E
    Geiss, Damian PAZgranted 2009-09-09cancelled 2010-10-19

Successor callsigns

Callsigns held now by people who previously held K4LPH.

No current licensee on record previously held this callsign.

← Back to K4LPH License history →