|Subject:||Re: [Paparazzi-devel] nav.h missing? SOLVED|
|Date:||Fri, 30 May 2014 17:28:21 -0300|
wow ... 4w is much power.
Please, when you have idea on how much long you can fly using this solution ... tell me.
Today i can fly more than 4km using 600mw 5.8ghz fatshark clone transmitter with good video signal.
i like this digital video system but its too expansive.
Date: Fri, 30 May 2014 22:29:08 +0300
Subject: Re: [Paparazzi-devel] nav.h missing? SOLVED
So far it looks that the receiver has the same or better sensitivity with it's analog counterpart.
The real testing will be done in a few weeks over the sea.
In ground testing with and without obstacles i lost video at about the same or slightly more distance than the analog tx of comparable power which is very promising.
Fhss also works well as seen on a spectrum analyser, the moving scene video quality is very nice and latency is small enough at ~150-200 ms.
I wouldn't fly fpv with it but ~200 ms are not bad for watching around.
I have also noticed some dropped frames but i need to do some more testing.
The strong point of this system is that you can use a common power bidirectional wifi amplifier
to increase range (i now use 4w of rf power measured) and interference on the airplane is far less
than the analog video tx.
I successfully used an 2.4 ghz rc receiver along with this 2.4 ghz video transmitter (at +18dbm) with no ill effects on rc range.
On 05/30/2014 10:10 PM, Eduardo lavratti wrote:
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