Download or read book BCS-18A Command Decoder-selector written by Hans Laping and published by . This book was released on 1980 with total page 66 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report describes an 18-channel command decoder-selector which operates in conjunction with an HF command receiver to allow secure and reliable radio control of high altitude balloon payloads. A detailed technical description and test results are also included. (Author).