KM4SDY
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderGRAHEK, ARLENE
License ClassTechnician
Min. Class RequiredTechnician
LocationArlington, TN
Grant DateFeb 24, 2026
Expiration DateMar 11, 2036
KM4SDY is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by GRAHEK, ARLENE in Arlington, TN. 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 Yarbrough, Stephen D on Jan 11, 2016. KM4SDY has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -- ....- ... -.. -.--
CW Weight: 38 units(Moderate)
Voice Phonetics
Kilo Mike Four Sierra Delta Yankee
Readability: 7.5/10(High readability)
License History
- License RenewedFeb 24, 2026
- Administrative Update AppliedDec 2, 2025
- System-Generated GrantMar 11, 2016
- License IssuedMar 11, 2016
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Yarbrough, Stephen DFiled Jan 11, 2016Not awardedFCC ↗