W0OSA
Active1x3District 0
Competitive callsign — 1 application filed with the FCC.
License HolderFerreira, Marcelo M
License ClassTechnician
Min. Class RequiredGeneral
LocationDenver, CO
Grant DateDec 23, 2016
Expiration DateDec 23, 2026
W0OSA is a highly sought-after 1x3 format amateur radio callsign. The license is currently held by Ferreira, Marcelo M in Denver, CO. 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 Ferreira, Marcelo M on Dec 5, 2016. W0OSA has 2 recorded FCC license history events.
CW & Voice Analysis
Morse Code
.-- ----- --- ... .-
CW Weight: 38 units(Moderate)
Voice Phonetics
Whiskey Zero Oscar Sierra Alpha
Readability: 7/10(Good readability)
License History
- License IssuedDec 23, 2016
- Vanity Callsign GrantedDec 23, 2016
Vanity Application Activity
Competing applications filed with the FCC for this callsign.
- Ferreira, Marcelo MFiled Dec 5, 2016Not awardedFCC ↗