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N1MDU

Available1x3District 1

No competing applications on record.

License HolderGREENWELL III, FREDERICK R

License ClassTechnician

Min. Class RequiredGeneral

LocationChester, VT

Grant DateJan 31, 2012

Expiration DateApr 21, 2022

Cancellation DateApr 23, 2024

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N1MDU

Available1x3District 1

No competing applications on record.

License HolderGREENWELL III, FREDERICK R

License ClassTechnician

Min. Class RequiredGeneral

LocationChester, VT

Grant DateJan 31, 2012

Expiration DateApr 21, 2022

Cancellation DateApr 23, 2024

Available for ApplicationsApr 22, 2024

N1MDU is a 1x3 format amateur radio callsign. It is currently registered to GREENWELL III, FREDERICK R in Chester, VT. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.

CW & Voice Analysis

Morse Code

-. .---- -- -.. ..-

CW Weight: 33 units(Moderate)

Voice Phonetics

November One Mike Delta Uniform

Readability: 7.5/10(High readability)

This callsign is available now

Requires General license or higher to apply for this callsign format (1x3).

License History

License ExpiredApr 23, 2024
License RenewedJan 31, 2012
License RenewedApr 12, 2002
License ModifiedJan 31, 2002
Administrative Update AppliedApr 3, 2001

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

No competing applications on record. Verify on the FCC ULS application search before filing.

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FCC data as of Sep 4, 2026

Is N1MDU Available? FCC Vanity Status & Watchlist