KC5SWP
Active2x3District 5
Competitive callsign — 1 application filed with the FCC.
License HolderPENN, NATHAN J
License ClassGeneral
Min. Class RequiredTechnician
LocationCLIFTON, TX
Grant DateMar 19, 2026
Expiration DateFeb 20, 2036
KC5SWP is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by PENN, NATHAN J in CLIFTON, TX. 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 Clark, Kathleen on Nov 3, 2014. KC5SWP has 7 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- -.-. ..... ... .-- .--.
CW Weight: 38 units(Moderate)
Voice Phonetics
Kilo Charlie Five Sierra Whiskey Papa
Readability: 7/10(Good readability)
License History
- Administrative Update AppliedMay 4, 2026
- License RenewedMar 19, 2026
- Administrative Update AppliedApr 20, 2021
- License RenewedJan 27, 2016
- License RenewedMar 14, 2006
- Tax ID (TIN) AddedNov 21, 2003
- License ModifiedNov 21, 2003
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Clark, KathleenFiled Nov 3, 2014DismissedFCC ↗