KR4TB
Available2x2District 4
Competitive callsign — 4 applications filed with the FCC.
License HolderHELD, SIDNEY P
License ClassAdvanced
Min. Class RequiredGeneral
LocationMELBOURNE, FL
Grant DateJun 15, 1994
Expiration DateJun 15, 2004
Cancellation DateJun 16, 2006
Available for ApplicationsJun 16, 2006
KR4TB is a highly sought-after 2x2 format amateur radio callsign. The license is currently held by HELD, SIDNEY P in MELBOURNE, FL. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by Marcet, Rick on Jul 30, 2025. KR4TB has 1 recorded FCC license history event.
CW & Voice Analysis
Morse Code
-.- .-. ....- - -...
CW Weight: 28 units(Light (fast to send))
Voice Phonetics
Kilo Romeo Four Tango Bravo
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (2x2).
License History
- License ExpiredJun 16, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.