K7SC
Active1x2District 7
Competitive callsign — 5 applications filed with the FCC.
License HolderRIFF, JAMES A
License ClassAmateur Extra
Min. Class RequiredAmateur Extra
LocationSUN CITY WEST, AZ
Grant DateSep 19, 2016
Expiration DateNov 4, 2026
K7SC is a highly sought-after 1x2 format amateur radio callsign. The license is currently held by RIFF, JAMES A in SUN CITY WEST, AZ. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Hazen, Bruce W on Dec 29, 2025. K7SC has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --... ... -.-.
CW Weight: 27 units(Light (fast to send))
Voice Phonetics
Kilo Seven Sierra Charlie
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedDec 13, 2021
- Administrative Update AppliedMar 16, 2017
- License RenewedSep 19, 2016
- License RenewedAug 11, 2006
- Tax ID (TIN) AddedAug 10, 2006
Vanity Application Activity
Competing applications filed with the FCC for this callsign.