K5OSI
Expired1x3District 5
Competitive callsign — 6 applications filed with the FCC.
License HolderRAYMER, GILFORD G
License ClassAdvanced
Min. Class RequiredGeneral
LocationSan Antonio, TX
Grant DateFeb 19, 2016
Expiration DateFeb 19, 2026
Available for ApplicationsFeb 20, 2028
K5OSI is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by RAYMER, GILFORD G in San Antonio, TX. This callsign has attracted significant interest in the amateur radio community, with 6 vanity applications filed with the FCC. The most recent was submitted by Flinders, Ronald G on Oct 15, 2019. K5OSI has 3 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ..... --- ... ..
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
Kilo Five Oscar Sierra India
Readability: 7/10(Good readability)
Available Feb 20, 2028 (535 days remaining)
Requires General license or higher to apply for this callsign format (1x3).
License History
- Administrative Update AppliedMar 7, 2017
- License IssuedFeb 19, 2016
- Vanity Callsign GrantedFeb 19, 2016
Vanity Application Activity
Competing applications filed with the FCC for this callsign.