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

KD7PT callsign genealogy

Currently held by OLSON, CHARLES L

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 KD7PT's current licensee, walking backwards.

  1. W5SAactive· E
    Upchurch, Kenneth RTXgranted 2020-05-16
  2. KM5Eactive· E
    RAMSEY, CRAIG MSCgranted 2022-06-04
  3. KO4EINcancelled· E
    RAMSEY, CRAIG MSCgranted 2020-06-15cancelled 2022-06-04

Successor callsigns

Callsigns held now by people who previously held KD7PT.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KD7PT, oldest first.

  • OLSON, CHARLES L AZ
    1998-06-12 → cancelled 2010-06-15
  • Leewood, Thomas E AZ
    2018-04-27 active