ORIGINAL MESSAGE: At 08:57 AM 6/22/2006, mulveyraa2 wrote:
>The software would need to be able to determine whether any of >*dozens* of possible signals are present in the passband. In the case >of some of the more exotic ( and even less exotic modes ), it needs to >try to decode multiple bandwidths and bitrates. This takes quite a >bit of time. *********** REPLY SEPARATOR *********** The software doesn't need to "decode" anything. The presence of a coherent signal means the frequency is busy. In this context, "coherent" means any non-white noise, repeating signal, including those that change frequencies within the channel. Coherent signal detected = no transmit. No jailhouse lawyers, please. We all know what the above means in the real world. Bill, W6WRT ------------------------ Yahoo! Groups Sponsor --------------------~--> Yahoo! Groups gets a make over. See the new email design. http://us.click.yahoo.com/XISQkA/lOaOAA/yQLSAA/ELTolB/TM --------------------------------------------------------------------~-> Need a Digital mode QSO? Connect to Telnet://cluster.dynalias.org Other areas of interest: The MixW Reflector : http://groups.yahoo.com/group/themixwgroup/ DigiPol: http://groups.yahoo.com/group/Digipol (band plan policy discussion) Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/digitalradio/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
