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Old January 24th 11, 10:12 PM posted to rec.aviation.soaring
Darryl Ramm
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Posts: 2,403
Default DSX Safly (Safe Fly) Tracker

On Jan 24, 5:23*am, Peter Scholz wrote:
Am 21.01.2011 17:36, John Cochrane wrote:





I found a good presentation on their web. Sadly the website is not
very clearly arranged.


http://www.d-s-x.net/index.php?optio...&view=category...


I am not an owner or have any relationship to DSX, only wanted to
inform you.


KT


What's going on with the DSX T-Advisor? It appeared as a competitor to
Flarm with some potential advantages. The website is pretty slow and
pretty scant. Is it in operation? Working with the latest flarm
software updates? Available/will work with the US powerflarm?


John Cochrane


John,

from a recent discussion on the segelflug.de forum it seems that the
manufacturers of DSX T-Advisor did not license the FLARM components or
firmware, as other competitors (e.g. LX) did. It seems that they rather
did a reverse engineering of the FLARM protocol.

If that is true, you will get no guarantee that the DSX T-Advisor will
communicate correctly with FLARM or FLARM-compatible devices.
--
Peter Scholz
ASW24 JE


And that just seems a monumentally stupid decision. The last thing we
need are devices that receive and transmit kinda hopefully kinda like
a Flarm but maybe not quite. It may not be just what they see as Flarm
equipped threats but also how well their own position is received by
other Flarm equipped aircraft. Flarm seems to have been pretty
successful in developing an OEM market and supporting those OEMs so it
pretty much boggles my mind as to why somebody would try to copy/clone
the Flarm protocols vs. license the technology from Flarm.

BTW there is PDF documentation on the T-Advisor product at
http://www.soaringwear.com/uploadz/0...r_07_12_19.pdf (that may be
out of date but the DSX web site (http://www.d-s-x.com) is usually so
slow its unusable.)

The GSM/GPRS based tracking datalink would be on no interest to me in
the USA (think AT&T GSM phone coverage issues at altitude...). I
believe the optional sat tracking datalink uses Globalstar so
hopefully cheaper than Iridium based systems. If their web site was
not so slow I'd look for the actual pricing. I have no idea if any of
DSX's products are for sale in the USA, I kind of doubt it since they
would need FCC approval and we've had heard of it.


Darryl