K4STL
Expired1x3District 4
Competitive callsign — 5 applications filed with the FCC.
License HolderMason, Jacob X
License ClassGeneral
Min. Class RequiredGeneral
LocationLovettsville, VA
Grant DateJan 7, 2015
Expiration DateMar 29, 2025
Available for ApplicationsMar 30, 2027
K4STL is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Mason, Jacob X in Lovettsville, VA. 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 Bond, John R on May 6, 2021. K4STL has 5 recorded FCC license history events.
CW & Voice Analysis
Morse Code
-.- ....- ... - .-..
CW Weight: 26 units(Light (fast to send))
Voice Phonetics
Kilo Four Sierra Tango Lima
Readability: 7.5/10(High readability)
Available Mar 30, 2027 (264 days remaining)
Requires General license or higher to apply for this callsign format (1x3).
License History
- License RenewedJan 7, 2015
- License ModifiedFeb 3, 2006
- License IssuedMar 29, 2005
- Vanity Callsign GrantedMar 29, 2005
- License ExpiredMay 11, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.