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K4MBJ

Available1x3District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderGROVE, GRANT R

License ClassAdvanced

Min. Class RequiredGeneral

LocationTAMPA, FL

Grant DateOct 20, 1987

Expiration DateOct 20, 1997

Cancellation DateOct 21, 1999

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K4MBJ

Available1x3District 4

Competitive callsign — 2 applications filed with the FCC.

License HolderGROVE, GRANT R

License ClassAdvanced

Min. Class RequiredGeneral

LocationTAMPA, FL

Grant DateOct 20, 1987

Expiration DateOct 20, 1997

Cancellation DateOct 21, 1999

Available for ApplicationsOct 21, 1999

K4MBJ is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by GROVE, GRANT R in TAMPA, FL. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Pridgen III, James L on Oct 25, 2019. K4MBJ has 1 recorded FCC license history event.

CW & Voice Analysis

Morse Code

-.- ....- -- -... .---

CW Weight: 36 units(Moderate)

Voice Phonetics

Kilo Four Mike Bravo Juliet

Readability: 8/10(High readability)

This callsign is available now

Requires General license or higher to apply for this callsign format (1x3).

License History

License ExpiredOct 21, 1999

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Pridgen III, James LFiled Oct 25, 2019
Not awardedFCC ↗
Bosworth, Michael LFiled May 7, 2018
Not awardedFCC ↗

Search external databases

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FCC data as of Sep 3, 2026

K4MBJ FCC Vanity Status: 2 Competing Applications & History