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KN4RBM

Active2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderMAYER, ROBERT B

License ClassTechnician

Min. Class RequiredTechnician

LocationSILER CITY, NC

Grant DateSep 6, 2017

Expiration DateSep 6, 2027

KN4RBM is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by MAYER, ROBERT B in SILER CITY, NC. 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 MAYER, ROBERT B on Aug 16, 2017. KN4RBM has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 35 units(Moderate)

Voice Phonetics

Kilo November Four Romeo Bravo Mike

Readability: 7/10(Good readability)

License History

License IssuedSep 6, 2017
Vanity Callsign GrantedSep 6, 2017

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

MAYER, ROBERT BFiled Aug 16, 2017
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 12, 2026

KN4RBM FCC Vanity Status: 1 Competing Application & History