K4OSL
Active1x3District 4
Competitive callsign — 3 applications filed with the FCC.
License HolderMausolf, Brian A
License ClassGeneral
Min. Class RequiredGeneral
LocationFredericksburg, VA
Grant DateAug 7, 2018
Expiration DateAug 7, 2028
K4OSL is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Mausolf, Brian A in Fredericksburg, VA. 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 MAUSOLF, BRIAN A on Jul 19, 2018. K4OSL has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- --- ... .-..
CW Weight: 32 units(Moderate)
Voice Phonetics
Kilo Four Oscar Sierra Lima
Readability: 7.5/10(High readability)
License History
- License ModifiedAug 7, 2018
- Vanity Callsign GrantedAug 7, 2018
- License IssuedAug 7, 2018
- Internal Correction AppliedJul 23, 2018
- Internal Correction AppliedJul 23, 2018
- Internal Correction AppliedJul 23, 2018
- Tax ID (TIN) AddedOct 23, 2007
- License RenewedOct 23, 2007
Vanity Application Activity
Competing applications filed with the FCC for this callsign.