W1SFO
Available1x3District 1
Competitive callsign — 1 application filed with the FCC.
License HolderKnapp, Matthew D
License ClassTechnician
Min. Class RequiredGeneral
LocationWilliston, SC
Grant DateMar 12, 2004
Expiration DateMar 12, 2014
Cancellation DateFeb 17, 2006
Available for ApplicationsFeb 18, 2008
W1SFO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Knapp, Matthew D in Williston, SC. 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 Mortenson, Richard M on Feb 23, 2004. W1SFO has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- .---- ... ..-. ---
CW Weight: 38 units(Moderate)
Voice Phonetics
Whiskey One Sierra Foxtrot Oscar
Readability: 7.5/10(High readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License CanceledFeb 17, 2006
- License IssuedMar 12, 2004
- Vanity Callsign GrantedMar 12, 2004
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Mortenson, Richard MFiled Feb 23, 2004Not awardedFCC ↗