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

AI7BW callsign genealogy

Currently held by MAIER, DAVID C

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 AI7BW's current licensee, walking backwards.

  1. KJ7HIKcancelled· E
    MAIER, DAVID CAZgranted 2019-05-22cancelled 2020-07-13
  2. KJ7GQFcancelled· G
    Maier, David CAZgranted 2019-05-22cancelled 2019-06-18

Successor callsigns

Callsigns held now by people who previously held AI7BW.

  1. K7CIactive· E
    MAIER, DAVID CAZgranted 2020-11-07
← Back to AI7BW License history →