N4SIS
Active1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderWALL, HEATHER B
License ClassTechnician
Min. Class RequiredGeneral
LocationUNION CITY, TN
Grant DateJul 8, 2025
Expiration DateJul 2, 2035
N4SIS is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by WALL, HEATHER B in UNION CITY, TN. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by MITCHELL, HEATHER on Jun 13, 2005. N4SIS has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-. ....- ... .. ...
CW Weight: 19 units(Ultra-light (very fast to send))
Voice Phonetics
November Four Sierra India Sierra
Readability: 6/10(Good readability)
License History
- Administrative Update AppliedJul 11, 2025
- License RenewedJul 8, 2025
- License RenewedJun 17, 2015
- License IssuedJul 2, 2005
- Vanity Callsign GrantedJul 2, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.