Home/Search/KN4SPO

KN4SPO

Available2x3District 4

No competing applications on record.

License HolderCockrell, William L

License ClassTechnician

Min. Class RequiredTechnician

LocationHouston, TX

Grant DateFeb 26, 2019

Expiration DateFeb 26, 2029

Cancellation DateMar 19, 2019

CallsignFinder

Track FCC amateur radio vanity callsign availability. Data updated daily.

Legal & Info

Pricing FAQ Terms of Service Privacy Policy

FCC data sourced from FCC Universal Licensing System. Not affiliated with the FCC.

Watchlist Search Account

Home/Search/KN4SPO

← Back to results

KN4SPO

Available2x3District 4

No competing applications on record.

License HolderCockrell, William L

License ClassTechnician

Min. Class RequiredTechnician

LocationHouston, TX

Grant DateFeb 26, 2019

Expiration DateFeb 26, 2029

Cancellation DateMar 19, 2019

Available for ApplicationsMar 20, 2021

KN4SPO is a 2x3 format amateur radio callsign. It is currently registered to Cockrell, William L in Houston, TX. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.

CW & Voice Analysis

Morse Code

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

CW Weight: 38 units(Moderate)

Voice Phonetics

Kilo November Four Sierra Papa Oscar

Readability: 6.5/10(Good readability)

This callsign is available now

Requires Technician license or higher to apply for this callsign format (2x3).

License History

License CanceledMar 19, 2019
System-Generated GrantFeb 26, 2019
License IssuedFeb 26, 2019

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

No competing applications on record. Verify on the FCC ULS application search before filing.

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← KN4SPN KN4SPP →

FCC data as of Sep 12, 2026

Is KN4SPO Available? FCC Vanity Status & Watchlist