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NK4F

Expired2x1District 4

Competitive callsign — 1 application filed with the FCC.

License HolderHEATH, JERRY B

License ClassAmateur Extra

Min. Class RequiredAmateur Extra

LocationNew Braunfels, TX

Grant DateJan 30, 2015

Expiration DateApr 27, 2025

Available for ApplicationsApr 28, 2027

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NK4F

Expired2x1District 4

Competitive callsign — 1 application filed with the FCC.

License HolderHEATH, JERRY B

License ClassAmateur Extra

Min. Class RequiredAmateur Extra

LocationNew Braunfels, TX

Grant DateJan 30, 2015

Expiration DateApr 27, 2025

Available for ApplicationsApr 28, 2027

NK4F is a highly sought-after 2x1 format amateur radio callsign. The license is currently held by HEATH, JERRY B in New Braunfels, TX. 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 GAPPI, ELMER S on Sep 15, 2025. NK4F has 6 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 24 units(Light (fast to send))

Voice Phonetics

November Kilo Four Foxtrot

Readability: 8/10(High readability)

Available Apr 28, 2027 (274 days remaining)

Requires Amateur Extra license or higher to apply for this callsign format (2x1).

License History

License RenewedJan 30, 2015
Administrative Update AppliedMar 9, 2012
License RenewedFeb 17, 2005
Administrative Update AppliedDec 28, 2004
Administrative Update AppliedDec 28, 2004
FRN Association Letter SentDec 27, 2004

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

GAPPI, ELMER SFiled Sep 15, 2025
Not awardedFCC ↗

Search external databases

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FCC data as of Jul 28, 2026

NK4F FCC Vanity Status: 1 Competing Application & History