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K4ASO

Available1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderSmith Jr, Guy H

License ClassGeneral

Min. Class RequiredGeneral

LocationMELBOURNE, FL

Grant DateSep 24, 2012

Expiration DateDec 22, 2022

Cancellation DateDec 24, 2024

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K4ASO

Available1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderSmith Jr, Guy H

License ClassGeneral

Min. Class RequiredGeneral

LocationMELBOURNE, FL

Grant DateSep 24, 2012

Expiration DateDec 22, 2022

Cancellation DateDec 24, 2024

Available for ApplicationsDec 23, 2024

K4ASO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Smith Jr, Guy H in MELBOURNE, FL. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Dunn, James M on Feb 7, 2025. K4ASO has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 30 units(Light (fast to send))

Voice Phonetics

Kilo Four Alpha Sierra Oscar

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 ExpiredDec 24, 2024
License RenewedSep 24, 2012
License RenewedSep 24, 2002
Tax ID (TIN) AddedFeb 8, 2001
License ModifiedFeb 8, 2001

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Dunn, James MFiled Feb 7, 2025
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

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FCC data as of Sep 3, 2026

K4ASO FCC Vanity Status: 1 Competing Application & History