K1OSU
Cancelled1x3District 1
Competitive callsign — 3 applications filed with the FCC.
License HolderMISHLER, DARRELL W
License ClassGeneral
Min. Class RequiredGeneral
LocationAlbany, OR
Grant DateJul 28, 2023
Cancellation DateOct 22, 2024
Available for ApplicationsOct 23, 2026
K1OSU is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by MISHLER, DARRELL W in Albany, OR. This callsign has attracted significant interest in the amateur radio community, with 3 vanity applications filed with the FCC. The most recent was submitted by MISHLER, DARRELL W on Jul 10, 2023. K1OSU has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- .---- --- ... ..-
CW Weight: 37 units(Moderate)
Voice Phonetics
Kilo One Oscar Sierra Uniform
Readability: 7/10(Good readability)
Available Oct 23, 2026 (50 days remaining)
Requires General license or higher to apply for this callsign format (1x3).
License History
- License CanceledOct 22, 2024
- License IssuedJul 28, 2023
- Vanity Callsign GrantedJul 28, 2023
Vanity Application Activity
Competing applications filed with the FCC for this callsign.