I found this in the Tech Portal about the use of flat cable. I couldn't upload the Power Point slide but you can download it here under Flat Cable (click on 2006):
http://rweb.echostar.com/departmental_content/TechPortal/content/tech/rtpweekly.shtml
http://rweb.echostar.com/departmental_content/TechPortal/content/tech/rtpweekly.shtml