QSO Publisher: Fabio Rendelucci Genre: Utilities Released: 8 Sep, 2011 Size: 679.0 KB Price: $0.99 Click here to request a review of this app App Store Info Description QSO is a "code Q" glossary for Radio Amateurs and CWs. A essential tool for olders, newers and candidates. What's New in Version 3.0 Search resource and new layout. Screenshots Screenshot 1 of 7