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08-26-2015, 06:02 PM
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Join Date: Oct 2008
Location: Hales Corners, WI
Posts: 981
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Quote:
Originally Posted by jclark
I **think** that the GRT Systems are compatible with GDL90.
USB or RS-232.
The issue with GRT via USB is what chipset is used. I know they are compatible with more than one but not sure if all. Connecting via RS-232 should not be a problem.
If the output format is the same as DUAL, iLevil, FDS and SkyRadar, then I suspect the GRT systems will be fine as I have tested all of those.
James
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This is all well and good, but how do you go from a usb output on the Raspberry PI, that thinks it's communicating with a WiFi dongle and strip out the data string to feed into the RS232? I'm not a computer guy at anywhere near that level, and there's a lot of missing links here to me.
__________________
Jesse Bentley
N229Z - RV-8 - Flying - Livin' the dream!
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08-26-2015, 06:06 PM
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Join Date: Jan 2005
Location: Columbia, SC
Posts: 804
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Quote:
Originally Posted by Veetail88
This is all well and good, but how do you go from a usb output on the Raspberry PI, that thinks it's communicating with a WiFi dongle and strip out the data string to feed into the RS232? I'm not a computer guy at anywhere near that level, and there's a lot of missing links here to me.
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OOOPS!
I missed that part of the dialog.
"My Bad".
Was thinking there was a serial stream out the USB port.
James
__________________
James E. Clark
Columbia, SC
RV6 Flying, RV6A Cowling
APRS
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08-26-2015, 07:12 PM
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Join Date: Feb 2011
Location: USA
Posts: 3,179
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The communication mechanism - USB, wifi, Bluetooth, serial, light signals, semaphores, or smoke signals - isn't the real challenge. Internal to the code, it's just strings of numbers and characters. These strings can be transmitted on any of the methods with relative easy.
The challenge is knowing what format the vendor is expecting. It's a bit like communicating in another language. If you are speaking French and the other person only understands Chinese, not much useful gets conveyed.
The contributors to this project are using a combination of published documents and packet sniffers to figure out what is expected. For some of the target vendors, they don't publish anything, so it's a lot of difficult reverse engineering. For some vendors, there is no available Rosetta Stone.
I know there is a desire to mimic other ADSB receivers but the contributors to the project don't own the necessary original manufacturer hardware to aid with the analysis to black box engineer the packets and messages. If someone wishes to donate hardware, I'm sure it would help.
Last edited by humptybump : 08-26-2015 at 07:16 PM.
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08-28-2015, 05:21 PM
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Join Date: Apr 2014
Location: Orlando, Fl
Posts: 157
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Question
I am waiting for my items to come in the mail but looking over the site I see three down loads. Which one do I download due to there are two updates as well as the original. Any help would be great and hope the itmes come in soon.
__________________
Charles & Fran Cantrill
RV-6A - SOLD 
Piper Comanche PA-24-250 - SOLD
RV-7A - Sold 
Progressive Aerodyne Searey - SOLD
Orlando, Fl.
Flying out of Grass Roots Airpark (O6FD)
ASEL Commercial/Instrument
Commercial Helicopter
Paid 2018 Dues Gladly Paid
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08-28-2015, 06:22 PM
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Join Date: Feb 2011
Location: USA
Posts: 3,179
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Hi Charles, v0.1r3 is the best so far. However, like much of our latest avionics, you should keep an eye for updated builds. I am aware of a number of bug fixes and features that have not yet been rolled up into a new build.
UPDATE: a newer "release" is now there. Rather than keep editing this post, I advise taking the newest build. If you have any issues then back off the the newest "release".
Last edited by humptybump : 09-01-2015 at 08:41 PM.
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08-29-2015, 03:22 PM
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Join Date: Feb 2011
Location: USA
Posts: 3,179
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Stratux is getting better
For those who are interested, there is a now a subgroup over on reddit dedicated to the Stratux project.
A few highlights to pique your interest ... - Improved more stable code
- Web configuration and status
- GPS support
- AHRS testing
- 3D printed case
It's been tested with the following functionality: - ForeFlight 7.2 - weather, traffic, AHRS
- Naviator - weather, traffic, AHRS
- WingX - weather & traffic
- Avare
- iFly 740 - weather & tragic
There is a standard parts list. It really is plug-n-play if you use the list. There is also a lower cost SDR (saves $10) the same specs as the original recommendation.
Follow the progress on reddit: https://www.reddit.com/r/stratux
Watch for new builds on GitHub: https://github.com/cyoung/stratux/releases
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08-29-2015, 03:59 PM
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Join Date: Dec 2008
Location: Phoenix, Arizona
Posts: 285
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Quote:
Originally Posted by boom3
Sweet! For that price I'll give Stratux a try. If it's lame there's a lot of other things I can do with a Raspberry Pi and a USB battery pack.
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Ordered parts ... Can't wait to try it out
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08-29-2015, 05:53 PM
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Join Date: Jan 2007
Location: LI, NY
Posts: 409
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I tried it out!
So I couldn't resist and had to order it up. I have an RV-6 with a Dynon Skyview system in it. I have ADS-B out and a Dynon ADS-B receiver that I spent $900 on, I think. I also have an Ipad in the plane running ForeFlight. So I got the parts, assembled it, and had it up and running in about 15 minutes. I opened up foreflght on my Ipad and found the stratux device right away. I couldn't wait to try it out in the air. I went flying today and was amazed. The thing got weather and traffic exactly like the Dynon Skyview. The ipad actually displays traffic a little nicer I think than the Dynon does. There wasn't much weather around but what little there was matched on both screens. The only thing I noticed was on the return flight The traffic was not showing altitudes? On the first flight from Long Island to Connecticut I saw all traffic the same as the Dynon did, showing altitude in relation to me. On the return flight all the traffic had zeros instead of the altitude in relation to me? Weird, I flew again and still zeros. Have to figure that one out, but so far the stratux amazed me.
__________________
Richard Fazio
LI, NY
N966RV
RV-6 Slider
O-360
FP Wood Prop
Last edited by RFazio : 08-29-2015 at 06:21 PM.
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09-01-2015, 03:06 PM
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Join Date: Apr 2014
Location: Orlando, Fl
Posts: 157
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Help!!!!!
I have gotten my parts and tried to do the intructions on how to load the software onto the disk. But for some reason I am having dificuties. I am not sure if it is me or my laptop software (older laptop) but can someone help. Is there anyone that can help me tomorrow monrning sometime with the installed the software portion. Please PM me you info please.
Thanks
__________________
Charles & Fran Cantrill
RV-6A - SOLD 
Piper Comanche PA-24-250 - SOLD
RV-7A - Sold 
Progressive Aerodyne Searey - SOLD
Orlando, Fl.
Flying out of Grass Roots Airpark (O6FD)
ASEL Commercial/Instrument
Commercial Helicopter
Paid 2018 Dues Gladly Paid
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