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N1EFK

Active1x3District 1

Competitive callsign — 1 application filed with the FCC.

License HolderKaufman, Eric F

License ClassGeneral

Min. Class RequiredGeneral

LocationMammoth Lakes, CA

Grant DateMar 12, 2021

Expiration DateMar 12, 2031

N1EFK is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Kaufman, Eric F in Mammoth Lakes, CA. 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 Kaufman, Eric F on Feb 22, 2021. N1EFK has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 31 units(Moderate)

Voice Phonetics

November One Echo Foxtrot Kilo

Readability: 7.5/10(High readability)

License History

Administrative Update AppliedMar 16, 2021
License IssuedMar 12, 2021
Vanity Callsign GrantedMar 12, 2021

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Kaufman, Eric FFiled Feb 22, 2021
Not awardedFCC ↗

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FCC data as of Sep 4, 2026

N1EFK FCC Vanity Status: 1 Competing Application & History