KM4NSC
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderSheaffer, Charles
License ClassGeneral
Min. Class RequiredTechnician
LocationClearfield, PA
Grant DateDec 18, 2025
Expiration DateDec 18, 2035
KM4NSC is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Sheaffer, Charles in Clearfield, PA. 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 Abe, Carol Y on Aug 28, 2018. KM4NSC has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -- ....- -. ... -.-.
CW Weight: 35 units(Moderate)
Voice Phonetics
Kilo Mike Four November Sierra Charlie
Readability: 7/10(Good readability)
License History
- License RenewedDec 18, 2025
- Administrative Update AppliedNov 18, 2023
- Administrative Update AppliedFeb 22, 2017
- License ModifiedJun 24, 2016
- Administrative Update AppliedDec 24, 2015
- System-Generated GrantOct 1, 2015
- License IssuedOct 1, 2015
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Abe, Carol YFiled Aug 28, 2018Not awardedFCC ↗