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KA4OBK

Expired2x3District 4

No competing applications on record.

License HolderPfeil, Barry O

License ClassGeneral

Min. Class RequiredTechnician

LocationMountain View, CA

Grant DateDec 29, 2015

Expiration DateFeb 28, 2026

Available for ApplicationsFeb 29, 2028

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KA4OBK

Expired2x3District 4

No competing applications on record.

License HolderPfeil, Barry O

License ClassGeneral

Min. Class RequiredTechnician

LocationMountain View, CA

Grant DateDec 29, 2015

Expiration DateFeb 28, 2026

Available for ApplicationsFeb 29, 2028

KA4OBK is a 2x3 format amateur radio callsign. It is currently registered to Pfeil, Barry O in Mountain View, CA. 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: 40 units(Moderate)

Voice Phonetics

Kilo Alpha Four Oscar Bravo Kilo

Readability: 7.5/10(High readability)

Available Feb 29, 2028 (544 days remaining)

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

License History

License RenewedDec 29, 2015
License RenewedMar 8, 2006
Tax ID (TIN) AddedFeb 14, 2001
License ModifiedFeb 14, 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.

Search external databases

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← KA4OBH KA4OBP →

FCC data as of Sep 3, 2026

Is KA4OBK Available? FCC Vanity Status & Watchlist