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K4MFR

Available1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderSNOW, ROBERT R

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationWINSTON SALEM, NC

Grant DateMar 25, 1996

Expiration DateMar 25, 2006

Cancellation DateMar 26, 2008

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K4MFR

Available1x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderSNOW, ROBERT R

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationWINSTON SALEM, NC

Grant DateMar 25, 1996

Expiration DateMar 25, 2006

Cancellation DateMar 26, 2008

Available for ApplicationsMar 26, 2008

K4MFR is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by SNOW, ROBERT R in WINSTON SALEM, 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 Fattinger, Michael on Nov 4, 2015. K4MFR has 1 recorded FCC license history event.

CW & Voice Analysis

Morse Code

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

CW Weight: 31 units(Moderate)

Voice Phonetics

Kilo Four Mike Foxtrot Romeo

Readability: 8/10(High readability)

This callsign is available now

Requires General license or higher to apply for this callsign format (1x3).

License History

License ExpiredMar 26, 2008

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Fattinger, MichaelFiled Nov 4, 2015
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

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FCC data as of Sep 3, 2026

K4MFR FCC Vanity Status: 1 Competing Application & History