[digitalradio] Re: ROS carrier pattern when idle

2010-02-26 Thread graham787
May be they can drive over the boarder to Canada or Mexico and work ROS / P ? I thought prohibition had been abandoned over there and Edgar had been outed . some things just don't change .. makes the 9 khz discussion on this side look quite tame ! G .. Keep going Jose .. --- In

[digitalradio] Re: ROS carrier pattern when idle

2010-02-26 Thread silversmj
Hey Skip KH6TY, Could you show us a pic of Chip64 (your choice to compare it to ROS)? Have a look at the links on my message 34845: http://groups.yahoo.com/group/digitalradio/message/34845 The author of Chip64 uses DSSS but in a much narrow BW than ROS. How it works is very nicely disclosed.

Re: [digitalradio] Re: ROS carrier pattern when idle

2010-02-26 Thread KH6TY
Mike, I have uploaded the comparison you requested for ROS (16 baud this time for better comparison overall) compared to CHIP64, both idling: http://home.comcast.net/~hteller/ROS16vsChip64.jpg It is hard to see what happens when you send data in CHIP64 as the signal looks a lot like noise,

[digitalradio] Re: ROS carrier pattern when idle

2010-02-26 Thread silversmj
Hey, TU Skip KH6TY for your time and the pic. Wow, I don't see and random-ness to Chip64 yet it is DSSS. Jose has posted/published Technical Spec for ROS if you care to look: http://rosmodem.wordpress.com/ Best 73 de Mike KB6WFC