K0CKU
Active1x3District 0
Competitive callsign — 3 applications filed with the FCC.
License HolderSOSA JR, MARIO
License ClassGeneral
Min. Class RequiredGeneral
LocationLAREDO, TX
Grant DateAug 15, 2025
Expiration DateAug 15, 2035
K0CKU is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by SOSA JR, MARIO in LAREDO, TX. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by WARNEST, TIMOTHY E on Jul 28, 2025. K0CKU has 11 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ----- -.-. -.- ..-
CW Weight: 42 units(Heavy (slower to send))
Voice Phonetics
Kilo Zero Charlie Kilo Uniform
Readability: 7/10(Good readability)
License History
- Vanity Callsign GrantedAug 15, 2025
- License IssuedAug 15, 2025
- Internal Correction AppliedJul 21, 2025
- Internal Correction AppliedJul 21, 2025
- Authorization PrintedMar 7, 2020
- Reference Copy Duplicate RequestedMar 6, 2020
- License RenewedFeb 7, 2018
- Administrative Update AppliedApr 7, 2015
- License ModifiedApr 23, 2012
- Tax ID (TIN) AddedMay 6, 2008
- License RenewedMay 6, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.