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K2RBA

Active1x3District 2

Competitive callsign — 1 application filed with the FCC.

License HolderSeiferth, Mark W

License ClassTechnician

Min. Class RequiredGeneral

LocationFlagstaff, AZ

Grant DateDec 6, 2022

Expiration DateDec 6, 2032

K2RBA is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Seiferth, Mark W in Flagstaff, AZ. 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 Seiferth, Mark W on Sep 14, 2012. K2RBA has 5 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 33 units(Moderate)

Voice Phonetics

Kilo Two Romeo Bravo Alpha

Readability: 7.5/10(High readability)

License History

License RenewedDec 6, 2022
Administrative Update AppliedApr 19, 2022
Administrative Update AppliedJun 7, 2016
License IssuedOct 2, 2012
Vanity Callsign GrantedOct 2, 2012

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Seiferth, Mark WFiled Sep 14, 2012
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 3, 2026

K2RBA FCC Vanity Status: 1 Competing Application & History