K4HRO
Active1x3District 4
Competitive callsign — 7 applications filed with the FCC.
License HolderThomas, Hiroshi D
License ClassGeneral
Min. Class RequiredGeneral
LocationBrandon, FL
Grant DateMay 2, 2026
Expiration DateMay 2, 2036
K4HRO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Thomas, Hiroshi D in Brandon, FL. This callsign has attracted significant interest in the amateur radio community, with 7 vanity applications filed with the FCC. The most recent was submitted by Thomas, Hiroshi D on Apr 14, 2026. K4HRO has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- .... .-. ---
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Four Hotel Romeo Oscar
Readability: 7.5/10(High readability)
License History
- License IssuedMay 2, 2026
- Vanity Callsign GrantedMay 2, 2026
- License ExpiredNov 19, 2019
- Tax ID (TIN) AddedSep 24, 2007
- License RenewedSep 24, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.