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K4MOP

Available1x3District 4

Competitive callsign — 7 applications filed with the FCC.

License HolderHacker, Leonard D

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationJacksonville, FL

Grant DateFeb 13, 2016

Expiration DateFeb 13, 2026

Cancellation DateNov 21, 2016

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K4MOP

Available1x3District 4

Competitive callsign — 7 applications filed with the FCC.

License HolderHacker, Leonard D

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationJacksonville, FL

Grant DateFeb 13, 2016

Expiration DateFeb 13, 2026

Cancellation DateNov 21, 2016

Available for ApplicationsNov 22, 2018

K4MOP is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Hacker, Leonard D in Jacksonville, FL. This callsign has attracted significant interest in the amateur radio community, with 7 vanity applications filed with the FCC. The most recent was submitted by Ryals, Chase on Nov 20, 2024. K4MOP has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 37 units(Moderate)

Voice Phonetics

Kilo Four Mike Oscar Papa

Readability: 8.5/10(High readability)

This callsign is available now

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

License History

License CanceledNov 21, 2016
License IssuedFeb 13, 2016
Vanity Callsign GrantedFeb 13, 2016

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Ryals, ChaseFiled Nov 20, 2024
Not awardedFCC ↗
Miller, Mark AFiled Feb 14, 2024
Not awardedFCC ↗
Moser Jr, Martin LFiled May 24, 2023
Not awardedFCC ↗
Hacker, Leonard DFiled Jan 26, 2016

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← K4MOO K4MOR →

FCC data as of Sep 3, 2026

Not awarded

FCC ↗

SHERMAN, CRAIG AFiled Nov 10, 2015

Not awardedFCC ↗

ANDERSON, MICHAEL AFiled Feb 16, 2005

Not awardedFCC ↗

ROSS, PERRY RFiled Feb 16, 2005

Not awardedFCC ↗

K4MOP FCC Vanity Status: 7 Competing Applications & History