K9OSC
Active1x3District 9
Competitive callsign — 1 application filed with the FCC.
License HolderBrock, Robert C
License ClassAmateur Extra
Min. Class RequiredGeneral
LocationFridley, MN
Grant DateJul 12, 2025
Expiration DateSep 28, 2035
K9OSC is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Brock, Robert C in Fridley, 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 Marrs, Meredith D on Nov 16, 2011. K9OSC has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ----. --- ... -.-.
CW Weight: 40 units(Moderate)
Voice Phonetics
Kilo Nine Oscar Sierra Charlie
Readability: 7.5/10(High readability)
License History
- License RenewedJul 12, 2025
- Administrative Update AppliedJan 6, 2021
- License RenewedJul 9, 2015
- Administrative Update AppliedMay 1, 2008
- License RenewedJul 1, 2005
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Marrs, Meredith DFiled Nov 16, 2011Not awardedFCC ↗