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

AC7OR callsign genealogy

Currently held by CARVALHO, JOHN R

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 AC7OR's current licensee, walking backwards.

  1. NE7Bactive· E
    HORMANN, KERRY IORgranted 2025-04-01
  2. N7SBXcancelled· E
    HORMANN, KERRY IORgranted 2024-11-22cancelled 2025-04-01
  3. KK7SROcancelled· G
    HORMANN, KERRY IORgranted 2024-04-12cancelled 2024-11-22

Successor callsigns

Callsigns held now by people who previously held AC7OR.

  1. NE7Bcancelled· E
    Friesen, David JORgranted 2022-05-24cancelled 2023-03-13
  2. NE7Bcancelled· E
    Friesen, David JORgranted 2019-10-01cancelled 2020-06-05

All historical holders

Every license row we've seen with the callsign AC7OR, oldest first.

  • CARVALHO, JOHN R UT
    1998-02-26 → cancelled 2010-02-27
  • Friesen, David J OR
    2011-12-13 → cancelled 2019-10-01
  • Friesen, David J OR
    2020-06-05 → cancelled 2022-05-24
← Back to AC7OR License history →