K0SPS
Available1x3District 0
Competitive callsign — 5 applications filed with the FCC.
License HolderKIEFFABER, JAMES E
License ClassAdvanced
Min. Class RequiredGeneral
LocationCOLORADO SPRINGS, CO
Grant DateDec 29, 1987
Expiration DateDec 29, 1997
Cancellation DateDec 30, 1999
Available for ApplicationsDec 30, 1999
K0SPS is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by KIEFFABER, JAMES E in COLORADO SPRINGS, CO. This callsign has attracted significant interest in the amateur radio community, with 5 vanity applications filed with the FCC. The most recent was submitted by Evertse, Mitchell on Nov 25, 2025. K0SPS has 1 recorded FCC license history event.
CW & Voice Analysis
Morse Code
-.- ----- ... .--. ...
CW Weight: 36 units(Moderate)
Voice Phonetics
Kilo Zero Sierra Papa Sierra
Readability: 6.5/10(Good readability)
This callsign is available now
Requires General license or higher to apply for this callsign format (1x3).
License History
- License ExpiredDec 30, 1999
Vanity Application Activity
Competing applications filed with the FCC for this callsign.