K5SPP
Active1x3District 5
Competitive callsign — 1 application filed with the FCC.
License HolderWilliams, Mark O
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationWichita Falls, TX
Grant DateMay 14, 2024
Expiration DateMay 28, 2034
K5SPP is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Williams, Mark O in Wichita Falls, 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 Williams, Mark O on May 7, 2014. K5SPP has 13 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ..... ... .--. .--.
CW Weight: 31 units(Moderate)
Voice Phonetics
Kilo Five Sierra Papa Papa
Readability: 7.5/10(High readability)
License History
- Administrative Update AppliedDec 19, 2025
- Administrative Update AppliedJan 8, 2025
- Administrative Update AppliedDec 4, 2024
- License RenewedMay 14, 2024
- Administrative Update AppliedApr 7, 2021
- Administrative Update AppliedAug 28, 2019
- Administrative Update AppliedOct 7, 2017
- Administrative Update AppliedJun 14, 2016
- Administrative Update AppliedSep 1, 2015
- Administrative Update AppliedJun 2, 2015
- License ModifiedSep 26, 2014
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Williams, Mark OFiled May 7, 2014Not awardedFCC ↗