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

K7MAX callsign genealogy

Currently held by GRIGG, MAX E

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 K7MAX's current licensee, walking backwards.

  1. K2MAXactive· G
    Maxwell, David DTXgranted 2026-01-21
  2. N5ADVcancelled· G
    Maxwell, David DTXgranted 2017-01-21cancelled 2026-01-21
  3. KG5RDCcancelled· T
    Maxwell, David DTXgranted 2016-12-30cancelled 2017-01-21

Successor callsigns

Callsigns held now by people who previously held K7MAX.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign K7MAX, oldest first.

  • GRIGG, MAX E AZ
    2017-12-06 → cancelled 2021-09-09
  • Sabo, Max F OR
    2023-09-29 active
← Back to K7MAX License history →