In Pat's case I would suspect he was not employing PCM given that the person who was present under the aircraft at the time stated that he could here the servos acting erratically prior to full down (exibited behavior of PPM interference). Add to this, and I won't bother surmising why, is that it went full down (I could call in Murphy's law here - as this seems to be the flight maneuver of choice during bad ju-ju).
If the operating system had employed PCM, the event in question would have the sailplane continue flying in the direction of the last good framerate before entering hold/FS...whatever that position was, possibly not noticed anyhting unusual. If memory serves, he was level flight... As far as incursions from operating systems outside of the 20KHz spacing, yes, this is entirely possible... Quoting Rob Davis <[EMAIL PROTECTED]>: > So if the far is PCM and the near is PPM does using PCM mitigate this > problem? What about the opposite situation i.e. PCM near and PPM far? > > Rob > > -----Original Message----- > From: Jon Stone [mailto:[EMAIL PROTECTED] > Sent: Friday, March 10, 2006 8:38 AM > To: EXT-McCleave, Howard R > Cc: soaring@airage.com > Subject: Re: [RCSE] Re: TX RF output? Long! > > From: "Doug McLaren" <[EMAIL PROTECTED]> > > > Of course it's a real phenomenon. The technical term is `desense'. > > > > http://users3.ev1.net/~medcalf/ztx/desense.html > > > It's also called the "near-far" problem. > > Imagine trying to hear a whisper across a crowded room. Nearby louder > voices drowned out the one familiar voice you are trying to hear. All radio > receivers face the same issues. > > Jon > > RCSE-List facilities provided by Model Airplane News. Send "subscribe" and > "unsubscribe" requests to [EMAIL PROTECTED] Please note that > subscribe and unsubscribe messages must be sent in text only format with > MIME turned off. Email sent from web based email such as Hotmail and AOL > are generally NOT in text format > > RCSE-List facilities provided by Model Airplane News. Send "subscribe" and > "unsubscribe" requests to [EMAIL PROTECTED] Please note that > subscribe and unsubscribe messages must be sent in text only format with MIME > turned off. Email sent from web based email such as Hotmail and AOL are > generally NOT in text format > Simon Van Leeuwen PnP Systems - The E-Harness of Choice Radius Systems Cogito Ergo Zoom RCSE-List facilities provided by Model Airplane News. Send "subscribe" and "unsubscribe" requests to [EMAIL PROTECTED] Please note that subscribe and unsubscribe messages must be sent in text only format with MIME turned off. Email sent from web based email such as Hotmail and AOL are generally NOT in text format
