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KN4KTN

Available2x3District 4

No competing applications on record.

License HolderFOLSOM, JOSEPH C

Min. Class RequiredTechnician

LocationSAN FRANCISCO, CA

Grant DateMar 20, 2018

Expiration DateMar 20, 2028

Cancellation DateApr 5, 2019

Available for ApplicationsApr 6, 2021

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KN4KTN

Available2x3District 4

No competing applications on record.

License HolderFOLSOM, JOSEPH C

Min. Class RequiredTechnician

LocationSAN FRANCISCO, CA

Grant DateMar 20, 2018

Expiration DateMar 20, 2028

Cancellation DateApr 5, 2019

Available for ApplicationsApr 6, 2021

KN4KTN is a 2x3 format amateur radio callsign. It is currently registered to FOLSOM, JOSEPH C in SAN FRANCISCO, CA. 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: 32 units(Moderate)

Voice Phonetics

Kilo November Four Kilo Tango November

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 CanceledApr 5, 2019
License ModifiedMar 21, 2019
System-Generated GrantMar 20, 2018
License IssuedMar 20, 2018

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.

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FCC data as of Sep 12, 2026

Is KN4KTN Available? FCC Vanity Status & Watchlist