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, 2023Not awardedFCC ↗