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

WG7Z callsign genealogy

Currently held by SCHAEFER, RANDALL 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 WG7Z's current licensee, walking backwards.

  1. AG7XFcancelled· E
    Medeiros, Adam RWAgranted 2019-07-24cancelled 2020-04-07
  2. KJ7IAQcancelled· E
    Medeiros, Adam RWAgranted 2019-07-24cancelled 2019-10-01

Successor callsigns

Callsigns held now by people who previously held WG7Z.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign WG7Z, oldest first.

  • SCHAEFER, RANDALL A WY
    1997-09-12 → cancelled 2004-01-10
  • Hamman Jr, Harold E AZ
    2008-03-18 → cancelled 2020-03-19
  • Medeiros, Adam R WA
    2020-04-07 active
← Back to WG7Z License history →