N4TFB
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderDUBOVSKY, STEPHEN M
License ClassTechnician
Min. Class RequiredGeneral
LocationSILVER SPRING, MD
Grant DateMar 22, 2018
Expiration DateJun 18, 2028
N4TFB is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by DUBOVSKY, STEPHEN M in SILVER SPRING, MD. 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 BOOZE, THOMAS F on Jun 30, 2020. N4TFB has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ....- - ..-. -...
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
November Four Tango Foxtrot Bravo
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedSep 30, 2025
- License RenewedMar 22, 2018
- Tax ID (TIN) AddedDec 18, 2009
- License RenewedDec 18, 2009
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- BOOZE, THOMAS FFiled Jun 30, 2020Not awardedFCC ↗