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KA4MRB

Active2x3District 4

Competitive callsign — 3 applications filed with the FCC.

License HolderPass, Jonathan W

License ClassGeneral

Min. Class RequiredTechnician

LocationManchester, TN

Grant DateMar 13, 2023

Expiration DateMar 13, 2033

KA4MRB is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Pass, Jonathan W in Manchester, TN. 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 Pass, Jonathan W on Feb 21, 2023. KA4MRB has 8 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 35 units(Moderate)

Voice Phonetics

Kilo Alpha Four Mike Romeo Bravo

Readability: 7.5/10(High readability)

License History

License IssuedMar 13, 2023
Vanity Callsign GrantedMar 13, 2023
Internal Correction AppliedFeb 22, 2023
Internal Correction AppliedFeb 22, 2023
License RenewedJul 19, 2011
Tax ID (TIN) AddedOct 15, 2001
Tax ID (TIN) AddedOct 15, 2001
License RenewedOct 15, 2001

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Pass, Jonathan WFiled Feb 21, 2023
Not awardedFCC ↗
Pass, Jonathan WFiled Oct 15, 2021
DismissedFCC ↗
Pass, Jonathan WFiled Jan 20, 2021
DismissedFCC ↗

Search external databases

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FCC data as of Sep 3, 2026

KA4MRB FCC Vanity Status: 3 Competing Applications & History