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Old 02-12-2008, 05:45 AM   #637 (permalink)
Kiwi
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Default Re: Independent tests prove lack of frequency hopping with XPS

Guys.

I wont have the FASST equipment here until mid next week. It has been the hardest to pin down. The Spektrum system I should have here with me on Monday.

As for the XPS going into fail safe it does if I swamp it but it does not if I run the noise floor up all around it, pulse it etc. Hitting it hard front on does knock it over.

My thoughts on why it is doing that dont matter. My thoughts were that XPS would move away from that steadily rising noise floor even if it does not knock the system over. I thought it would look for a cleaner environment if the situation got murky for it.

Also their was ample evidence that XPS slowed down and sometimes did not respond instantly to a control input when those pulses and traverse tests were being done. I dont have any way to see how many packets were lost or what the delays were in real time. But the system got slow and jerky.

Guys I need to take some time out as work requires that I'm away for the next 6 days. One thing I want to do is set the receiver up for a shorter fail-safe reaction and I want to change the power settings on the Tx. I also want to space the Rx much further away from the Tx as they are sise by side at present and thats not a real world situation.

As for turning all the systems on together and letting them have a free for all that wont show anything. FASST, XPS and SPEKTRUM and ASSAN will all live harmoniously together with just three or four, our ten or twelve radios all working. I will try to do that but I only have one module based FUTABA radio and that runs ASSAN, FASST and XPS for me. Its kinda hard to plug all three modules in at the same time.

However guys the point of the initial test was to make XPS hop. Not to see if it went into fail-safe or see if it stood up to the test of being slammed with interference. My test was to find a way to make it hop first. Actually the whole reason for the thread in the first place.

With what I done XPS will not hop. I dont have any other devices at my disposal to clinically make it do so. If it hops in the presence of FASST then we will see it as I will test it as promised.

All the systems I have will get the same battery of tests I carried out with XPS. This is not over, its not aimed at exposing XPS as being anything its not. Hopefully it is just pure plain old facts ungarnished with opinion.
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