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KN4IDH

Available2x3District 4

No competing applications on record.

License HolderMartindale, Nathan

License ClassTechnician

Min. Class RequiredTechnician

LocationKnoxville, TN

Grant DateDec 1, 2017

Expiration DateDec 1, 2027

Cancellation DateDec 29, 2017

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KN4IDH

Available2x3District 4

No competing applications on record.

License HolderMartindale, Nathan

License ClassTechnician

Min. Class RequiredTechnician

LocationKnoxville, TN

Grant DateDec 1, 2017

Expiration DateDec 1, 2027

Cancellation DateDec 29, 2017

Available for ApplicationsDec 30, 2019

KN4IDH is a 2x3 format amateur radio callsign. It is currently registered to Martindale, Nathan in Knoxville, TN. 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: 29 units(Light (fast to send))

Voice Phonetics

Kilo November Four India Delta Hotel

Readability: 6.5/10(Good readability)

This callsign is available now

Requires Technician license or higher to apply for this callsign format (2x3).

License History

License CanceledDec 29, 2017
System-Generated GrantDec 1, 2017
License IssuedDec 1, 2017

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 KN4IDH Available? FCC Vanity Status & Watchlist