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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

AA7XO callsign genealogy

Currently held by MANN, DAVID J

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 AA7XO's current licensee, walking backwards.

  1. WA6MHDcancelled· E
    MANN, DAVID JTNgranted 2010-08-27cancelled 2014-01-28
  2. WO0FERactive· G
    Skoog, Steven LORgranted 2025-11-21
  3. KG7ZPKcancelled· T
    Skoog, Steven LORgranted 2015-12-08cancelled 2015-12-26

Successor callsigns

Callsigns held now by people who previously held AA7XO.

  1. NB7XXcancelled· E
    MANN, DAVID JAZgranted 2017-05-12cancelled 2025-06-03
  2. WO0FERcancelled· E
    MANN, DAVID JCAgranted 2003-05-30cancelled 2010-08-27

All historical holders

Every license row we've seen with the callsign AA7XO, oldest first.

  • MANN, DAVID J CA
    2003-05-02 → cancelled 2003-05-30
  • MANN, DAVID J NV
    2014-01-28 → cancelled 2017-05-12
← Back to AA7XO License history →