K4OSJ
Active1x3District 4
Competitive callsign — 2 applications filed with the FCC.
License HolderBarondes, Mark D
License ClassGeneral
Min. Class RequiredGeneral
LocationFort Belvoir, VA
Grant DateDec 29, 2017
Expiration DateDec 29, 2027
K4OSJ is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Barondes, Mark D in Fort Belvoir, VA. This callsign has attracted significant interest in the amateur radio community, with 2 vanity applications filed with the FCC. The most recent was submitted by Ross, Don C on Sep 26, 2022. K4OSJ has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- --- ... .---
CW Weight: 36 units(Moderate)
Voice Phonetics
Kilo Four Oscar Sierra Juliet
Readability: 7/10(Good readability)
License History
- License IssuedDec 29, 2017
- Vanity Callsign GrantedDec 29, 2017
Vanity Application Activity
Competing applications filed with the FCC for this callsign.