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K0RFF

Active1x3District 0

Competitive callsign — 2 applications filed with the FCC.

License HolderWarriner, Mark A

License ClassGeneral

Min. Class RequiredGeneral

LocationHatfield, AR

Grant DateNov 5, 2019

Expiration DateNov 5, 2029

K0RFF is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Warriner, Mark A in Hatfield, AR. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Warriner, Mark A on Oct 17, 2019. K0RFF has 2 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 39 units(Moderate)

Voice Phonetics

Kilo Zero Romeo Foxtrot Foxtrot

Readability: 7/10(Good readability)

License History

License IssuedNov 5, 2019
Vanity Callsign GrantedNov 5, 2019

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Warriner, Mark AFiled Oct 17, 2019
Not awardedFCC ↗
Schlenk, Matthew JFiled Apr 23, 2018
Not awardedFCC ↗

Search external databases

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Explore nearby callsigns

← K0RFD K0RFH →

FCC data as of Sep 3, 2026

K0RFF FCC Vanity Status: 2 Competing Applications & History