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RE: [Paparazzi-devel] Spektrum Satellite Receiver

From: mark.griffin
Subject: RE: [Paparazzi-devel] Spektrum Satellite Receiver
Date: Mon, 25 Jan 2010 08:55:23 +0100

Hi Gareth,
There was discussion of this in a thread of 14 September 2009.

BTW, I have connected a AR9000 receiver with 1 remote receiver (total of
3 receivers) to the TWOG using the PPM Encoder Board
( With a
1 watt power amp connected to the DX7 transmitter output, I had range to
10 km with no signal loss reported.

Hope this helps, Mark

-----Original Message-----
From: address@hidden
[mailto:address@hidden On
Behalf Of Gareth Roberts
Sent: Sunday, 24 January 2010 12:34 AM
To: address@hidden
Subject: Re: [Paparazzi-devel] Spektrum Satellite Receiver

Good idea Todd, but one step at a time!  

We'd just be happy to have the one, it's functionally identical to the
main receiver so in theory should have the same range as a slightly
cheaper Spektrum set without the diversity receiver.  We fly near power
lines and are getting sick of 35MHz random control inputs.
I'd be quite happy otherwise to try and make the alterations myself, but
I'm unclear as to how much core code Booz and Paparazzi share.  Just
wondered if someone had done it already, or if I can just change a
compile flag (assuming the data structures in the Booz code are


On Sat, 2010-01-23 at 13:43 -0800, Todd Sandercock wrote:
> If you want some reliable range having more than one satelite would be

> a good move. Multiple usarts would be required for that which leads to

> the use of an external micro. I did some research into this and 
> concluded an XMEGA chip would be perfect for this until I realised 
> that the chip can't be programed with ISP (I don't have the right 
> programmer for it). The smallest chip has 5 usarts from memory which 
> means good expanability if someone wanted to go crazy with the 
> satelites
> Sparkfun have back in stock a break out board that would be suitable 
> for the XMEGA but would require soldering the chip on. (not that hard)
> Just ideas..... 
> Todd
> On 24/01/2010, at 7:35 AM, Gareth Roberts <address@hidden>
> Hello everyone,
> We've got a Spekrum DX-7, with an AR-7000 receiver.  It's satellite
> (diversity) receiver communicates with the main bit using a simple 
> serial protocol.  Code to translate this has been written for the 
> Booz, but not for paparazzi core.  Is there any way to reuse this code

> for the traditional system? Or will I have to adapt it?
> Many Thanks
> --G
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