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KB3MFN

Available2x3District 3

Competitive callsign — 1 application filed with the FCC.

License HolderRosenbaum, Zachary L

License ClassTechnician

Min. Class RequiredTechnician

LocationStoystown, PA

Grant DateApr 29, 2005

Expiration DateApr 29, 2015

Cancellation DateMay 2, 2017

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KB3MFN

Available2x3District 3

Competitive callsign — 1 application filed with the FCC.

License HolderRosenbaum, Zachary L

License ClassTechnician

Min. Class RequiredTechnician

LocationStoystown, PA

Grant DateApr 29, 2005

Expiration DateApr 29, 2015

Cancellation DateMay 2, 2017

Available for ApplicationsApr 30, 2017

KB3MFN is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Rosenbaum, Zachary L in Stoystown, PA. 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 Goetz, James E on Jan 15, 2002. KB3MFN has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 38 units(Moderate)

Voice Phonetics

Kilo Bravo Three Mike Foxtrot November

Readability: 7.5/10(High readability)

This callsign is available now

Requires Technician license or higher to apply for this callsign format (2x3).

License History

License ExpiredMay 2, 2017
System-Generated GrantApr 29, 2005
License IssuedApr 29, 2005

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Goetz, James EFiled Jan 15, 2002
Not awardedFCC ↗

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FCC data as of Jul 29, 2026

KB3MFN FCC Vanity Status: 1 Competing Application & History