K4HBO
Active1x3District 4
Competitive callsign — 5 applications filed with the FCC.
License HolderSIMPSON, CRAIG B
Min. Class RequiredGeneral
LocationSEATTLE, WA
Grant DateMar 8, 2025
Expiration DateMar 8, 2035
K4HBO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by SIMPSON, CRAIG B in SEATTLE, WA. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Pell, Jason P on Feb 18, 2025. K4HBO has 6 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .... -... ---
CW Weight: 33 units(Moderate)
Voice Phonetics
Kilo Four Hotel Bravo Oscar
Readability: 8/10(High readability)
License History
- License ModifiedJun 23, 2025
- License IssuedMar 8, 2025
- Vanity Callsign GrantedMar 8, 2025
- License ExpiredFeb 3, 2017
- Tax ID (TIN) AddedNov 17, 2004
- License RenewedNov 17, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.