W4SDD
Active1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderPANAGIOTOPOULOS, HRISTOS
License ClassNovice
Min. Class RequiredGeneral
LocationLynnwood, WA
Grant DateFeb 4, 2025
Expiration DateFeb 4, 2035
W4SDD is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by PANAGIOTOPOULOS, HRISTOS in Lynnwood, WA. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by DIANA, S DINO on Dec 8, 2014. W4SDD has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- ... -.. -..
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
Whiskey Four Sierra Delta Delta
Readability: 7.5/10(High readability)
License History
- License RenewedFeb 4, 2025
- License IssuedDec 30, 2014
- Vanity Callsign GrantedDec 30, 2014
Vanity Application Activity
Competing applications filed with the FCC for this callsign.