SKYVIEW ADS-B and Garmin 430W/530W

[GHDZ]

After upgrading my G430W software to provide position data for ADS-B, I would not receive ADS-B traffic on my SKYVIEW system. I got weather just fine and some TIS traffic but no ADS-B traffic. So, after much research, trial and error I finally got it to work. Here is how I had to configure the equipment in order to get it to work:

Configure the G430W for AVIATION + output on the RS-232 port. DON'T SET IT FOR GARMIN ADS-B!
Configure the Dynon Transponder to receive AVIATION on the RS-232 port. DON'T SET IT FOR GARMIN ADS-B!

When the G430W/530W has a GPS lock, the Dynon transponder configuration page will show an active GPS. This means they are talking to each other and you are good to go.

I think the Garmin ADS-B baud rate DYNON is looking for is 38K, what the new Garmin units use. (DYNON - correct me if I am wrong) The Garmin 430W/530W only outputs 9.8K so it doesn't work. The Aviation data format is a 9.8K baud rate so they now talk to each other.

On my test flight, the system displayed so much traffic it was incredible. I was even able to "see" an airplane in the pattern at my airport from almost 20miles away. When I got there it was a Grumman Tiger doing touch-n-go's with no ADSB capability just squawking 1200 in the pattern. NICE!

Morale of the story; unless you have the new Garmin units, DON'T USE THE GARMIN ADS-B FORMAT. I hope this helps others that might be stumped with this problem.

 

[dynonsupport]

Thanks for the report, we'll look into this. It works fine with the GTN650 and we weren't aware there was any difference with the old units. If it's just the baud rate it will be easy to fix.

We have to get it fixed because when you are using Aviation you are not 2020 compliant, which is the whole reason the ADS-B format exists.

 

[GHDZ]

Thanks for the report, we'll look into this. It works fine with the GTN650 and we weren't aware there was any difference with the old units. If it's just the baud rate it will be easy to fix.

We have to get it fixed because when you are using Aviation you are not 2020 compliant, which is the whole reason the ADS-B format exists.

This is what I think is happening given my limited resources for troubleshooting and testing. I will anxiously wait for a "professional" solution instead of my work around.

 

[N22WJ]

I did get this to work using the Garmin ADS-B format from the 430W to the SV-XPNDR. I recently had Garmin upgrade my 430 to 430W. Software version on the 430W is version 5. I have these serial connections; I send Icarus Pressure Altitude info from the Skyview to the 430W. I send GPS data from the 430W to the SV-ARINC-429 using Aviation format. I then connected the 430W serial output, through a 1.2K resistor in line, setting serial ouput to the Garmin ADS-B format. The requires three of the four serial ports on the 430W. On the transponder page on Skyview setup you must then select the Garmin ADS-B format. When the 430W gets a good GPS lock the transponder setup page reports good data. I then did an airborne check with the local Approach Control and they reported good data. I believe with provides the data to the transponder needed for 2020. Hope this helps.

 

[dynonsupport]

So we now have two reports that the 430W DOES work when set to ADS-B format, so I think there is something else up with the original poster.

You must wire two wires from the 430W to your SKyView system. One must go to the ARINC-429 module and must be format "AVIATION." The other must go direct to the Transponder and be "ADS-B". This does work according to other installs.

You can connect "AVIATION" to the transponder, but this is non-certified and is not legal for 2020 compliance.

 

[GalinHdz]

I did get this to work using the Garmin ADS-B format from the 430W to the SV-XPNDR.  I recently had Garmin upgrade my 430 to 430W.  Software version on the 430W is version 5.  I have these serial connections;  I send Icarus Pressure Altitude info from the Skyview to the 430W.  I send GPS data from the 430W to the SV-ARINC-429 using Aviation format.  I then connected the 430W serial output, through a 1.2K resistor in line, setting serial ouput to the Garmin ADS-B format.  The requires three of the four serial ports on the 430W.  On the transponder page on Skyview setup you must then select the Garmin ADS-B format.  When the 430W gets a good GPS lock the transponder setup page reports good data.  I then did an airborne check with the local Approach Control and they reported good data.  I believe with provides the data to the transponder needed for 2020.  Hope this helps.

When I was trying your suggestion I realized the Garmin 430W has TWO ADS-B settings within software Version 5.0, GARMIN ADS-B and GARMIN ADS-B+. I had selected GARMIN ADS-B+. As soon as I changed from GARMIN ADS-B+ to GARMIN ADS-B everything worked perfectly.

THANKS!

 

[flaude]

with the version 5,0, would it be possible to imagine that Flyplan from Garmin and sky view could speak together?

just an old wish. It wouyld be nice to upload from the Garmin inside the skyview all the approaches...

 

[GalinHdz]

with the version 5,0, would it be possible to imagine that Flyplan from Garmin and sky view could speak together?

just an old wish. It wouyld be nice to upload from the Garmin inside the skyview all the approaches...

That would be GREAT! Crossfeed the flight plan from the GARMIN into the SKYVIEW so when you select the approach in the GARMIN, it cross feeds and displays on the SKYVIEW. The best of both worlds. The GARMIN navigation accuracy on the much better SKYVIEW display. We can only wish.

 

[thibault]

Another confirmation that 430W ADS-B output format does work with the Dynon transponder.  A small point though is when you hook this up and test it, it will report not good data until the 430W gets a good position lock, and this might be difficult in a metal hangar.

I also needed only two serial connections to the 430W.  One for AVIATION data to the ARINC-429 and the one straight to the transponder pin 3.  I did not need an altitude serial input to the 430W, as stated by N22WJ above.