K4RB
Active1x2District 4
Competitive callsign — 6 applications filed with the FCC.
License HolderBLUMBERG, ROBERT G
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationCardiff by the Sea, CA
Grant DateAug 16, 2016
Expiration DateNov 4, 2026
K4RB is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by BLUMBERG, ROBERT G in Cardiff by the Sea, CA. This callsign has attracted significant interest in the amateur radio community, with 6 vanity applications filed with the FCC. The most recent was submitted by Hicks, Lynn B on Mar 30, 2021. K4RB has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .-. -...
CW Weight: 25 units(Light (fast to send))
Voice Phonetics
Kilo Four Romeo Bravo
Readability: 8/10(High readability)
License History
- Administrative Update AppliedJul 10, 2024
- License RenewedAug 16, 2016
- Administrative Update AppliedDec 4, 2012
- License RenewedSep 8, 2006
- License ModifiedJun 25, 2002
Vanity Application Activity
Competing applications filed with the FCC for this callsign.