> Date: Thu, 31 May 2012 14:06:59 +0200
> From:
address@hidden
> To:
address@hidden
> Subject: Re: [Paparazzi-devel] LONG RANGE data radios - what the
best
>
> 9XTEND should go well over 50km:
>
>
http://lists.gnu.org/archive/html/paparazzi-devel/2012-04/msg00224.html
>
> But GSM is a perfect idea as well. It has the major advantages of
> requiring neither line-of-sight nor directional antennas. Let us
know
> as soon as you have a GSM setup working.
>
> Cheers, Reto
>
> 2012/5/31 Rokas Adiklis
<address@hidden>:
> > Hi Eduardo,
> >
> > 9XTEND's are great radios, but I doubt they would work 50km+.
Specs say max
> > range is 64km, but only in ideal conditions: direct line of
sight, high gain
> > antennas, good weather, low data transmission speed and most
probably you
> > would need antenna trackers on GCS and on the aircraft. I've
used these
> > radios for up to 10 km without these prerequisites (standard
antennas, no
> > tracking, no direct line-of-sight, some trees around). Going
further than
> > 10km rendered connection inactive. Also, formally these
should be illegal in
> > EU.
> >
> > In your case I would use GSM for communication. You need a
"GSM to Serial
> > data" type of device for the aircraft, and internet access
(preferrably with
> > fixed IP address) on your computer with "TCP to COM" type of
software
> > installed. GSM modem receives serial data from PPZ, tunnels
it over TCP
> > (GPRS/3G/4G) to your computer, where the recipient service
passes this data
> > to virtual COM port. The virtual COM port is the one
configured in GCS as a
> > "modem".
> >
> > I haven't tried it myself, but intend to some time this year.
> >
> > This is the kind of device that I'm talking about:
> >
http://www.teltonika.lt/en/pages/view/?id=747
(just for reference, I think
> > you can find cheaper and more functional devices made
elsewhere).
> >
> > Kind regards,
> > Rokas
> >
> > On Wed, May 30, 2012 at 11:38 PM, Eduardo lavratti
<address@hidden>
> > wrote:
> >>
> >> friends i will order a pair of long range radios for
telemetry.
> >> I am think in digi 9XTEND radios.
> >>
> >> This is the most powerfull data radio i know but i see
that some people
> >> have problem using this radio.
> >> have more options for long range radios ?
> >>
> >> i will fly more than 50km away.
> >>
> >>
> >>
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> >>
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> >>
> >
> >
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