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AJ4IO

Available2x2District 4

No competing applications on record.

License HolderLombardi, Charles A

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationPlacida, FL

Grant DateMay 2, 2008

Expiration DateMay 2, 2018

Cancellation DateJun 21, 2008

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AJ4IO

Available2x2District 4

No competing applications on record.

License HolderLombardi, Charles A

License ClassAmateur Extra

Min. Class RequiredGeneral

LocationPlacida, FL

Grant DateMay 2, 2008

Expiration DateMay 2, 2018

Cancellation DateJun 21, 2008

Available for ApplicationsJun 22, 2010

AJ4IO is a 2x2 format amateur radio callsign. It is currently registered to Lombardi, Charles A in Placida, FL. 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

Alpha Juliet Four India Oscar

Readability: 7/10(Good readability)

This callsign is available now

Requires General license or higher to apply for this callsign format (2x2).

License History

License CanceledJun 21, 2008
License IssuedMay 21, 2008
System-Generated GrantMay 21, 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.

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FCC data as of Sep 3, 2026

Is AJ4IO Available? FCC Vanity Status & Watchlist