WA4MOS
Active2x3District 4
Competitive callsign — 1 application filed with the FCC.
License HolderGROSS, DAVID P
License ClassGeneral
Min. Class RequiredTechnician
LocationFort Worth, TX
Grant DateDec 30, 2025
Expiration DateDec 30, 2035
WA4MOS is a highly sought-after 2x3 format amateur radio callsign. The license is currently held by GROSS, DAVID P in Fort Worth, TX. 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 GROSS, DAVID P on Sep 10, 2015. WA4MOS has 8 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- .- ....- -- --- ...
CW Weight: 36 units(Moderate)
Voice Phonetics
Whiskey Alpha Four Mike Oscar Sierra
Readability: 7.5/10(High readability)
License History
- License RenewedDec 30, 2025
- Administrative Update AppliedAug 12, 2016
- License IssuedSep 29, 2015
- Vanity Callsign GrantedSep 29, 2015
- License ExpiredMar 11, 2014
- Administrative Update AppliedSep 13, 2006
- License RenewedMar 7, 2002
- License ModifiedJun 22, 2000
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- GROSS, DAVID PFiled Sep 10, 2015Not awardedFCC ↗