W4WO
Active1x2District 4
No competing applications on record.
License HolderKramkowski, David R
License ClassTechnician
Min. Class RequiredAmateur Extra
LocationSouthold, NY
Grant DateJun 17, 2026
Expiration DateAug 8, 2036
W4WO is a 1x2 format amateur radio callsign. It is currently registered to Kramkowski, David R in Southold, NY. There are currently no competing vanity applications or pending FCC filings on record for this callsign. Add it to your watchlist to receive an immediate alert if another operator files a vanity application.
CW & Voice Analysis
Morse Code
.-- ....- .-- ---
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Whiskey Four Whiskey Oscar
Readability: 8.5/10(High readability)
License History
- License RenewedJun 17, 2026
- License RenewedJun 24, 2016
- License RenewedMay 17, 2006
- Tax ID (TIN) AddedMay 12, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
No competing applications on record. Verify on the FCC ULS application search before filing.