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

KM4GNX callsign genealogy

Currently held by Calloway Jr, David L

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 KM4GNX's current licensee, walking backwards.

  1. N4AFVactive· G
    Evans, Douglas EFLgranted 2020-12-15
  2. KO4JPNcancelled· T
    Evans, Douglas EFLgranted 2020-11-20cancelled 2020-12-15

Successor callsigns

Callsigns held now by people who previously held KM4GNX.

  1. KK4ETNcancelled· T
    Calloway Jr, David LNCgranted 2022-03-08cancelled 2022-04-29
  2. K4ACOcancelled· T
    Calloway Jr, David LNCgranted 2016-03-15cancelled 2016-07-06

All historical holders

Every license row we've seen with the callsign KM4GNX, oldest first.

  • Calloway Jr, David L NC
    2014-12-16 → cancelled 2016-03-15
  • Calloway Jr, David L NC
    2018-07-10 → cancelled 2022-03-08
← Back to KM4GNX License history →