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AK4XO

Active2x2District 4

Competitive callsign — 1 application filed with the FCC.

License HolderMEZZO, JOHN M

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationWICHITA FALLS, TX

Grant DateAug 3, 2021

Expiration DateAug 3, 2031

AK4XO is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by MEZZO, JOHN M in WICHITA FALLS, 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 RAY, BOBBY G on Sep 27, 2010. AK4XO has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 35 units(Moderate)

Voice Phonetics

Alpha Kilo Four X-ray Oscar

Readability: 8/10(High readability)

License History

License RenewedAug 3, 2021
License IssuedAug 14, 2012
System-Generated GrantAug 14, 2012

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

RAY, BOBBY GFiled Sep 27, 2010
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 4, 2026

AK4XO FCC Vanity Status: 1 Competing Application & History