K4RBZ
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderBrunk, Gerald R
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationHarrisonburg, VA
Grant DateDec 23, 2025
Expiration DateJan 17, 2036
K4RBZ is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Brunk, Gerald R in Harrisonburg, VA. 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 Diaz, Ramiro on Sep 9, 2019. K4RBZ has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .-. -... --..
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Four Romeo Bravo Zulu
Readability: 7.5/10(High readability)
License History
- License RenewedDec 23, 2025
- License RenewedDec 1, 2015
- License RenewedNov 19, 2005
- License ModifiedJun 18, 2002
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Diaz, RamiroFiled Sep 9, 2019Not awardedFCC ↗