Home/Search/KC5SFI

KC5SFI

Available2x3District 5

No competing applications on record.

License HolderHOLMBERG, ROBERT A

License ClassAdvanced

Min. Class RequiredTechnician

LocationHIGHLANDS RANCH, CO

Grant DateOct 17, 2005

Expiration DateJan 12, 2016

Cancellation DateJan 13, 2018

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/KC5SFI

← Back to results

KC5SFI

Available2x3District 5

No competing applications on record.

License HolderHOLMBERG, ROBERT A

License ClassAdvanced

Min. Class RequiredTechnician

LocationHIGHLANDS RANCH, CO

Grant DateOct 17, 2005

Expiration DateJan 12, 2016

Cancellation DateJan 13, 2018

Available for ApplicationsJan 13, 2018

KC5SFI is a 2x3 format amateur radio callsign. It is currently registered to HOLMBERG, ROBERT A in HIGHLANDS RANCH, CO. 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: 31 units(Moderate)

Voice Phonetics

Kilo Charlie Five Sierra Foxtrot India

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 ExpiredJan 13, 2018
License RenewedOct 17, 2005
Administrative Update AppliedJun 4, 2005

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

← KC5SFH KC5SFJ →

FCC data as of Sep 4, 2026

Is KC5SFI Available? FCC Vanity Status & Watchlist