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Re: [Paparazzi-devel] GCS and video problem


From: Chris
Subject: Re: [Paparazzi-devel] GCS and video problem
Date: Thu, 23 Jan 2014 08:59:06 +0200
User-agent: Mozilla/5.0 (X11; Linux i686; rv:24.0) Gecko/20100101 Thunderbird/24.2.0

Hi.
My system is not HD however it is light andadequate for the it's intended role. I found it at AliExpress which is not a very good idea to shop from but the construction looked quite
good and the specs were nice also.
Here is the link but beware, i got only one transmitter not 4 and the seller later told me that the add was written wrongly :-P At he bootom left you can see my name initials and that i am the only buyer :-D

http://www.aliexpress.com/item/2-4GHz-car-bus-truck-wireless-Digital-video-rear-view-camera-Audio-1-receiver-4-transmitter/752643810.html

Here is another link
http://www.alibaba.com/trade/search?fsb=y&IndexArea=product_en&CatId=&SearchText=2.4G+video+transmitter+digital+FHSS

Chris


On 01/22/2014 10:34 PM, SilaS wrote:
Hi Chris,

Good to hear about success! :-)

My I ask what is the type of that FHSS digital video transmitter? I have some success with a Ubiquiti wispstation M5 with Rocket M5 base antennas, but till not tested large distances! The bandwidth next to it is promising 17Mbps from 150Mbps with a 1920 HD stream on 30fps.

SilaS

2014-01-22 21:25 keltezéssel, Chris írta:
Never mind i found the cause.
I was using mplayer2 instead of the original mplayer.
Everything now works fine.
Btw i mounted the FHSS digital video transmitter and a 5w bidirectional amplifier (weight = 650g)
on my airplane and i must say that i am impressed.
The video tx really hops as i found using my spectrum analyzer, it is a real FHSS system. Latency seems to be very low at about 100ms max, it looks that nothing is affected from the high rf power and the quality is the same or better than the analog video tx. At the end of this month i will make a 100km flight in order to test some subsystems and of course
test the video range.
Chris

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