W1FS
Active1x2District 1
Competitive callsign — 25 applications filed with the FCC.
License HolderTHIERAUF, STEPHEN C
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
Locationhudson, MA
Grant DateSep 18, 2025
Expiration DateNov 10, 2035
W1FS is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by THIERAUF, STEPHEN C in hudson, MA. This callsign has attracted significant interest in the amateur radio community, with 25 vanity applications filed with the FCC. The most recent was submitted by Morley, John A on Nov 9, 2015. W1FS has 12 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- .---- ..-. ...
CW Weight: 29 units(Light (fast to send))
Voice Phonetics
Whiskey One Foxtrot Sierra
Readability: 8/10(High readability)
License History
- License RenewedSep 18, 2025
- Administrative Update AppliedDec 22, 2023
- Vanity Callsign GrantedNov 10, 2015
- License IssuedNov 10, 2015
- License CanceledOct 21, 2013
- Administrative Update AppliedOct 18, 2013
- Administrative Update AppliedSep 27, 2013
- Administrative Update AppliedMay 7, 2009
- License RenewedOct 19, 2006
- Administrative Update AppliedSep 19, 2006
- License ModifiedAug 28, 2002
- License Modified
Vanity Application Activity
Competing applications filed with the FCC for this callsign.