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

AD7GT callsign genealogy

Currently held by Portal, Christopher 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 AD7GT's current licensee, walking backwards.

  1. W9DWTactive· G
    Sheean, David AINgranted 2024-05-11
  2. WD9DWTcancelled· G
    Sheean, David AINgranted 2021-01-15cancelled 2024-05-11
  3. KA9KNIcancelled· G
    Sheean, David AINgranted 2020-08-04cancelled 2021-01-15
  4. KD9PURcancelled· G
    Sheean, David AINgranted 2020-07-13cancelled 2020-08-04

Successor callsigns

Callsigns held now by people who previously held AD7GT.

  1. W7CLPactive· E
    Portal, Christopher LORgranted 2017-08-02

All historical holders

Every license row we've seen with the callsign AD7GT, oldest first.

  • Portal, Christopher L OR
    1998-03-25 → cancelled 2007-09-05
  • Terry, Gailyn D WA
    2020-07-07 active
← Back to AD7GT License history →