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KJ4KJA

Available2x3District 4

No competing applications on record.

License HolderISAKSON, JAMES J

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationFREDERICK, MD

Grant DateMar 16, 2009

Expiration DateMar 16, 2019

Cancellation DateMar 17, 2021

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KJ4KJA

Available2x3District 4

No competing applications on record.

License HolderISAKSON, JAMES J

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationFREDERICK, MD

Grant DateMar 16, 2009

Expiration DateMar 16, 2019

Cancellation DateMar 17, 2021

Available for ApplicationsMar 17, 2021

KJ4KJA is a 2x3 format amateur radio callsign. It is currently registered to ISAKSON, JAMES J in FREDERICK, MD. 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: 45 units(Heavy (slower to send))

Voice Phonetics

Kilo Juliet Four Kilo Juliet Alpha

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 ExpiredMar 17, 2021
System-Generated GrantMar 16, 2009
License IssuedMar 16, 2009

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 KJ4KJA Available? FCC Vanity Status & Watchlist