K4SDH
Available1x3District 4
Competitive callsign — 4 applications filed with the FCC.
License HolderHAHN, STEPHEN D
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationTRAVELERS REST, SC
Grant DateMar 21, 2014
Expiration DateMar 21, 2024
Cancellation DateMar 24, 2026
Available for ApplicationsMar 22, 2026
K4SDH is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by HAHN, STEPHEN D in TRAVELERS REST, SC. This callsign has attracted significant interest in the amateur radio community, with 4 vanity applications filed with the FCC. The most recent was submitted by Houston, Steven on Jul 6, 2026. K4SDH has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- ... -.. ....
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
Kilo Four Sierra Delta Hotel
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredMar 24, 2026
- License IssuedMar 21, 2014
- Vanity Callsign GrantedMar 21, 2014
- License ExpiredMay 20, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.