W5SIS
Available1x3District 5
Competitive callsign — 2 applications filed with the FCC.
License HolderSpofford, Sara I
License ClassTechnician
Min. Class RequiredGeneral
LocationPerkiomenville, PA
Grant DateMar 4, 2011
Expiration DateMar 4, 2021
Cancellation DateMar 7, 2023
Available for ApplicationsMar 5, 2023
W5SIS is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Spofford, Sara I in Perkiomenville, PA. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by CATTER SR, DAVID W on Aug 4, 2025. W5SIS has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ..... ... .. ...
CW Weight: 20 units(Ultra-light (very fast to send))
Voice Phonetics
Whiskey Five Sierra India Sierra
Readability: 6.5/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredMar 7, 2023
- License IssuedMar 4, 2011
- Vanity Callsign GrantedMar 4, 2011
Vanity Application Activity
Competing applications filed with the FCC for this callsign.