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KF9IO

Available2x2District 9

No competing applications on record.

License HolderHARR, DAVID C

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationNAPERVILLE, IL

Grant DateDec 20, 2011

Expiration DateMar 17, 2022

Cancellation DateJan 26, 2021

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KF9IO

Available2x2District 9

No competing applications on record.

License HolderHARR, DAVID C

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationNAPERVILLE, IL

Grant DateDec 20, 2011

Expiration DateMar 17, 2022

Cancellation DateJan 26, 2021

Available for ApplicationsJan 27, 2023

KF9IO is a 2x2 format amateur radio callsign. It is currently registered to HARR, DAVID C in NAPERVILLE, IL. 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: 37 units(Moderate)

Voice Phonetics

Kilo Foxtrot Nine India Oscar

Readability: 7.5/10(High readability)

This callsign is available now

Requires General license or higher to apply for this callsign format (2x2).

License History

License CanceledJan 26, 2021
License RenewedDec 20, 2011
Administrative Update AppliedSep 8, 2005
License RenewedMar 14, 2002
License ModifiedJun 23, 2000

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 3, 2026

Is KF9IO Available? FCC Vanity Status & Watchlist