Home/Search/KF4GRO

KF4GRO

Available2x3District 4

No competing applications on record.

License HolderWATSON JR, CHARLES B

License ClassGeneral

Min. Class RequiredTechnician

LocationOKLAHOMA CITY, OK

Grant DateJan 16, 2016

Expiration DateMar 7, 2026

Cancellation DateFeb 10, 2023

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KF4GRO

Available2x3District 4

No competing applications on record.

License HolderWATSON JR, CHARLES B

License ClassGeneral

Min. Class RequiredTechnician

LocationOKLAHOMA CITY, OK

Grant DateJan 16, 2016

Expiration DateMar 7, 2026

Cancellation DateFeb 10, 2023

Available for ApplicationsFeb 11, 2025

KF4GRO is a 2x3 format amateur radio callsign. It is currently registered to WATSON JR, CHARLES B in OKLAHOMA CITY, OK. 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: 41 units(Heavy (slower to send))

Voice Phonetics

Kilo Foxtrot Four Golf Romeo Oscar

Readability: 7.5/10(High readability)

This callsign is available now

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

License History

License CanceledFeb 10, 2023
License ModifiedFeb 2, 2023
Administrative Update AppliedMar 20, 2017
License RenewedJan 16, 2016
Administrative Update AppliedJun 20, 2015
License RenewedMar 7, 2006
FRN Association Email SentMar 4, 2006

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

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← KF4GRN KF4GRP →

FCC data as of Sep 4, 2026

Is KF4GRO Available? FCC Vanity Status & Watchlist