K8CSR
Active1x3District 8
Competitive callsign — 1 application filed with the FCC.
License HolderRENNER, COLTON S
License ClassGeneral
Min. Class RequiredGeneral
LocationCaldwell, OH
Grant DateApr 30, 2022
Expiration DateApr 30, 2032
K8CSR is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by RENNER, COLTON S in Caldwell, OH. 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 Renner, Colton S on Apr 12, 2022. K8CSR has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ---.. -.-. ... .-.
CW Weight: 34 units(Moderate)
Voice Phonetics
Kilo Eight Charlie Sierra Romeo
Readability: 7/10(Good readability)
License History
- Administrative Update AppliedJun 13, 2025
- License ModifiedSep 1, 2023
- License IssuedApr 30, 2022
- Vanity Callsign GrantedApr 30, 2022
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Renner, Colton SFiled Apr 12, 2022Not awardedFCC ↗