K4RPB
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderGrunseich, Vincent
License ClassGeneral
Min. Class RequiredGeneral
Locationronkonkoma, NY
Grant DateMay 6, 2025
Expiration DateMay 6, 2035
K4RPB is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Grunseich, Vincent in ronkonkoma, NY. 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 Boretti, Raymond P on Apr 17, 2025. K4RPB has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .-. .--. -...
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Four Romeo Papa Bravo
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedJan 22, 2026
- License IssuedMay 6, 2025
- Vanity Callsign GrantedMay 6, 2025
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Boretti, Raymond PFiled Apr 17, 2025Not awardedFCC ↗