KO4TRE
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderRogerson IV, Marvin C
License ClassTechnician
Min. Class RequiredTechnician
LocationRochester, MN
Grant DateOct 4, 2021
Expiration DateOct 4, 2031
KO4TRE is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Rogerson IV, Marvin C in Rochester, MN. 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 Eades, Charles P on Apr 7, 2021. KO4TRE has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- --- ....- - .-. .
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Oscar Four Tango Romeo Echo
Readability: 7/10(Good readability)
License History
- Administrative Update AppliedMar 14, 2023
- Administrative Update AppliedMar 17, 2022
- System-Generated GrantOct 4, 2021
- License IssuedOct 4, 2021
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Eades, Charles PFiled Apr 7, 2021Not awardedFCC ↗