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K4IDO

Available1x3District 4

Competitive callsign — 5 applications filed with the FCC.

License HolderMILLS, WILLIAM A

License ClassGeneral

Min. Class RequiredGeneral

LocationAUGUSTA, GA

Grant DateApr 26, 1988

Expiration DateApr 26, 1998

Cancellation DateApr 27, 2000

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K4IDO

Available1x3District 4

Competitive callsign — 5 applications filed with the FCC.

License HolderMILLS, WILLIAM A

License ClassGeneral

Min. Class RequiredGeneral

LocationAUGUSTA, GA

Grant DateApr 26, 1988

Expiration DateApr 26, 1998

Cancellation DateApr 27, 2000

Available for ApplicationsApr 27, 2000

K4IDO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by MILLS, WILLIAM A in AUGUSTA, GA. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Scott, Alan B on Sep 25, 2015. K4IDO has 1 recorded FCC license history event.

CW & Voice Analysis

Morse Code

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

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

Voice Phonetics

Kilo Four India Delta 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 ExpiredApr 27, 2000

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Scott, Alan BFiled Sep 25, 2015
Not awardedFCC ↗
MILTON, CHARLES HFiled May 7, 2012
Not awardedFCC ↗
Stevens, Gail MFiled Dec 10, 2009
Not awardedFCC ↗
COLE, TOD LFiled Jul 16, 2003

Search external databases

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FCC data as of Sep 3, 2026

Not awarded

FCC ↗

TAYLOR, GARY MFiled Jul 16, 2003

Not awardedFCC ↗

K4IDO FCC Vanity Status: 5 Competing Applications & History