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K4BRR

Active1x3District 4

Competitive callsign — 3 applications filed with the FCC.

License HolderHaltner, Michael A

License ClassTechnician

Min. Class RequiredGeneral

LocationBolingbrook, IL

Grant DateDec 15, 2020

Expiration DateDec 15, 2030

K4BRR is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Haltner, Michael A in Bolingbrook, IL. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by Haltner, Michael A on Sep 21, 2010. K4BRR has 4 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

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

Voice Phonetics

Kilo Four Bravo Romeo Romeo

Readability: 7/10(Good readability)

License History

License RenewedDec 15, 2020
Administrative Update AppliedSep 9, 2016
License IssuedOct 9, 2010
Vanity Callsign GrantedOct 9, 2010

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Haltner, Michael AFiled Sep 21, 2010
Not awardedFCC ↗
Sigmon, Ronald SFiled Jul 12, 2010
Not awardedFCC ↗
BOSTOCK, ROGER WFiled Nov 23, 2009
Not awardedFCC ↗

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← K4BRP K4BRS →

FCC data as of Sep 4, 2026

K4BRR FCC Vanity Status: 3 Competing Applications & History