Home/Search/KF4INX

KF4INX

Available2x3District 4

No competing applications on record.

License HolderMASTOROPOULOS, STAVROS D

License ClassTechnician

Min. Class RequiredTechnician

LocationROCKPORT, TX

Grant DateDec 2, 1996

Expiration DateApr 10, 2006

Cancellation DateApr 11, 2008

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/KF4INX

← Back to results

KF4INX

Available2x3District 4

No competing applications on record.

License HolderMASTOROPOULOS, STAVROS D

License ClassTechnician

Min. Class RequiredTechnician

LocationROCKPORT, TX

Grant DateDec 2, 1996

Expiration DateApr 10, 2006

Cancellation DateApr 11, 2008

Available for ApplicationsApr 11, 2008

KF4INX is a 2x3 format amateur radio callsign. It is currently registered to MASTOROPOULOS, STAVROS D in ROCKPORT, 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: 34 units(Moderate)

Voice Phonetics

Kilo Foxtrot Four India November X-ray

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 ExpiredApr 11, 2008

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

← KF4INW KF4INY →

FCC data as of Sep 4, 2026

Is KF4INX Available? FCC Vanity Status & Watchlist