W4FDU
Active1x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderSUSINNO, MARCUS A
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationSpring Hill, TN
Grant DateMay 6, 2023
Expiration DateJun 27, 2033
W4FDU is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by SUSINNO, MARCUS A in Spring Hill, 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 SUSINNO, MARCUS A on Jun 9, 2003. W4FDU has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ....- ..-. -.. ..-
CW Weight: 30 units(Light (fast to send))
Voice Phonetics
Whiskey Four Foxtrot Delta Uniform
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedApr 30, 2025
- License RenewedMay 6, 2023
- License RenewedApr 12, 2013
- Administrative Update AppliedNov 20, 2012
- Administrative Update AppliedMay 27, 2005
- License IssuedJun 27, 2003
- Vanity Callsign GrantedJun 27, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- SUSINNO, MARCUS AFiled Jun 9, 2003Not awardedFCC ↗