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

K2MAX callsign genealogy

Currently held by Maxwell, David D

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 K2MAX's current licensee, walking backwards.

  1. N5ADVcancelled· G
    Maxwell, David DTXgranted 2017-01-21cancelled 2026-01-21
  2. KG5RDCcancelled· T
    Maxwell, David DTXgranted 2016-12-30cancelled 2017-01-21

Successor callsigns

Callsigns held now by people who previously held K2MAX.

  1. K7MAXactive· E
    Sabo, Max FORgranted 2023-09-29

All historical holders

Every license row we've seen with the callsign K2MAX, oldest first.

  • Sabo, Max F OR
    2019-11-05 → cancelled 2023-09-29
  • Maxwell, David D TX
    2026-01-21 active
← Back to K2MAX License history →