K5OBO
Active1x3District 5
Competitive callsign — 1 application filed with the FCC.
License HolderShaffer, Robert S
License ClassGeneral
Min. Class RequiredGeneral
LocationCarrollton, TX
Grant DateMar 13, 2026
Expiration DateMar 22, 2036
K5OBO is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Shaffer, Robert S in Carrollton, TX. 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 Shaffer, Robert S on Mar 2, 2016. K5OBO has 4 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ..... --- -... ---
CW Weight: 36 units(Moderate)
Voice Phonetics
Kilo Five Oscar Bravo Oscar
Readability: 8/10(High readability)
License History
- License RenewedMar 13, 2026
- License IssuedMar 22, 2016
- Vanity Callsign GrantedMar 22, 2016
- License ExpiredMay 5, 2010
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Shaffer, Robert SFiled Mar 2, 2016Not awardedFCC ↗