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

N9GSM callsign genealogy

Currently held by SUNDARAMOORTHY, GOPAL

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 N9GSM's current licensee, walking backwards.

  1. AD9DKcancelled· E
    SUNDARAMOORTHY, GOPALWIgranted 2023-12-13cancelled 2024-01-13
  2. KD9ZILcancelled· E
    SUNDARAMOORTHY, GOPALWIgranted 2023-12-13cancelled 2023-12-26

Successor callsigns

Callsigns held now by people who previously held N9GSM.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign N9GSM, oldest first.

  • BUSH, STEVEN L IN
    2001-10-04 → cancelled 2013-10-16
  • SUNDARAMOORTHY, GOPAL NC
    2024-01-13 active
← Back to N9GSM License history →