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KR4JKB

Cancelled2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderPOWERS, THOMAS W

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationNASHUA, NH

Grant DateFeb 4, 2026

Cancellation DateFeb 24, 2026

Available for ApplicationsFeb 25, 2028

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KR4JKB

Cancelled2x3District 4

Competitive callsign — 1 application filed with the FCC.

License HolderPOWERS, THOMAS W

License ClassAmateur Extra

Min. Class RequiredTechnician

LocationNASHUA, NH

Grant DateFeb 4, 2026

Cancellation DateFeb 24, 2026

Available for ApplicationsFeb 25, 2028

KR4JKB is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by POWERS, THOMAS W in NASHUA, NH. This callsign has attracted significant interest in the amateur radio community, with 1 vanity application filed with the FCC. The most recent was submitted by Brown, Renee J on Oct 11, 2023. KR4JKB has 3 recorded FCC license history events.

CW & Voice Analysis

Morse Code

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

CW Weight: 42 units(Heavy (slower to send))

Voice Phonetics

Kilo Romeo Four Juliet Kilo Bravo

Readability: 6.5/10(Good readability)

Available Feb 25, 2028 (538 days remaining)

Requires Technician license or higher to apply for this callsign format (2x3).

License History

License CanceledFeb 24, 2026
System-Generated GrantFeb 4, 2026
License IssuedFeb 4, 2026

Vanity Application Activity

Competing applications filed with the FCC for this callsign.

Brown, Renee JFiled Oct 11, 2023
Not awardedFCC ↗

Search external databases

QRZ ↗HamQTH ↗

Explore nearby callsigns

← KR4JKA KR4JKC →

FCC data as of Sep 4, 2026

KR4JKB FCC Vanity Status: 1 Competing Application & History