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

N4GGM callsign genealogy

Currently held by MacDonald, Gregory G

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 N4GGM's current licensee, walking backwards.

  1. KH7GMcancelled· G
    MacDonald, Gregory GSCgranted 2016-09-07cancelled 2021-07-03
  2. WH6FDAcancelled· T
    MacDonald, Gregory GHIgranted 2016-05-25cancelled 2016-09-07

Successor callsigns

Callsigns held now by people who previously held N4GGM.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N4GGM, oldest first.

  • ROWE, ROBERT C FL
    1997-10-08 → cancelled 2009-10-09
  • MacDonald, Gregory G SC
    2021-07-03 active
← Back to N4GGM License history →