WX4JMS
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderSibley, John M
License ClassTechnician
Min. Class RequiredTechnician
LocationRoswell, GA
Grant DateApr 13, 2018
Expiration DateMay 28, 2028
WX4JMS is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by Sibley, John M in Roswell, GA. 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 Sibley, John M on May 9, 2008. WX4JMS has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- -..- ....- .--- -- ...
CW Weight: 41 units(Heavy (slower to send))
Voice Phonetics
Whiskey X-ray Four Juliet Mike Sierra
Readability: 7/10(Good readability)
License History
- Administrative Update AppliedJun 18, 2021
- License RenewedApr 13, 2018
- Administrative Update AppliedAug 14, 2014
- Administrative Update AppliedJun 20, 2012
- Administrative Update AppliedJun 17, 2010
- Administrative Update AppliedJun 8, 2010
- License IssuedMay 28, 2008
- Vanity Callsign GrantedMay 28, 2008
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Sibley, John MFiled May 9, 2008Not awardedFCC ↗