ADSB Nexrad functionality

[Derek Slabosz]

Hi, 

I am a religious avare user and I am looking to upgrade from my XGPS150 to the XGPS170 for adsb weather/traffic. 

I haven't seen anywhere on how this weather information is displayed. 

1. Does the Nexrad move?

2. Will the Nexrad overlay just like it would if you downloaded it via internet?

3. How does traffic look?

The main draw here to the upgrade would be an animated radar overlay. 

Thanks for your help!

[John Wiley]

I tested Avare on XGPS170 last year and it worked great. I posted a review either here on the Forum or on the website with details. I found that it worked better than the internet because it was more current. Traffic showed up as jet plane icons in that version of Avare, but it might be different now. In all, it was really cool but less useful for me since the commuter airlines at SBA didn't at that time (probably not still) have ADS-B Out. So the only time I saw traffic was flying near CMA (maybe planes out of OXR or NTD). Without ADS-B Out you only see aircraft that have it, and those with transponders that are near to those Out-equipped. Same the FAA didn't enable In to see all traffic, but it does still have some cool features like wx.

[Paul Beam]

For those interested in portable ADS-B in, I suggest you check out the newly (this week) released Salus-3 from SkyVisionXtreme.com.  (No, I don't work for them, or NavWorx who's actually the manufacturer or at least the designer).  It does ADSB-out as well as -in.  That means you are actually ready for year 2020 I believe (if you don't need certified ADS-B equipment), and that you are getting appropriate ADS-B in data for your aircraft.

Those of you who have ADS-B in-only receivers (e.g. XGPS170) may or may not know that you are *not* getting the traffic around you unless you're close by an aircraft that *is* sending ADS-B out.  In the FAA's scheme, you have to give (ADS-B out) to receive (ADS-B in).  If you're getting any traffic displayed, it's because other aircraft are doing ADS-B out and you're just getting what's being transmitted to them (for them).  But it doesn't show traffic around *you* unless one of those aircraft is nearby.  If you're in a high traffic area, then you're fine.  If not, you're not.  

Some of you will note that with an ADS-B in receiver you do get traffic info direct from aircraft that transmit ADSB- out (on the lower [UAT] frequency).  But that's not very many aircraft right now.  And, unless your receiver receives on both the UAT and 1090 frequency, you don't get traffic from those using the higher (1090ES) frequency that most guys are transmitting on (because they [foolishly, in my opinion] went with an mode S transponder).  You only get that from the FAA ground stations that take those signals and re-send them on the UAT frequency -- but again, only if someone is triggering the ground station by doing ADS-B out.  

Just sayin'.  Again, I don't work for these guys.  But this is, as far as I know, the only portable Out/In unit for ADS-B, and it's the way to go if you want a portable unit, but also want an accurate traffic picture for *your* plane.

[Zubair Khan]

Paul: Noted. I have contacted their support for possible partnership.

Derek: No the nexrad does not move, it updates. Its looks much different than the internet nexrad, due to data resolution is much smaller for the ADS-B, and traffic will show as dots.

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Zubair Khan
apps4av.com
zk4u.blogspot.com
Sudbury, MA 01776

[Duffy Fainer]

I've just purchased the Dual XGPS 170 and have successfully flown with it and Avare.  Even on the ground I'm occasionally receiving traffic and weather, but we don't have anything like "weather" here in San Diego, so I haven't actually seen it displayed yet.  I too am curious how that will look, and how far ahead I can expect to see it.  If anybody has more hands on experience, I would love to hear it.  I would really like some screen shots or video if possible.  I did get a call-out from Lindbergh Tower the other day, and saw the traffic displayed on my Nexus 7 before I visually saw it.  So in that case...the FIS-B works.  But I got this for weather purposes in advance of flying to Oshkosh this summer, so I'd like more input please.

On Tuesday, March 31, 2015 at 6:45:26 PM UTC-7, Derek Slabosz wrote:

[Zubair Khan]

You can see the app listing on the play store. There are a couple of Nexrad images with ADSB. Basically there are two Nexrad types. Local and continental. Resolution is much lower with continental, while local is better resolution but still much less than internet Nexrad.

No reception is guaranteed especially over sparse traffic areas.

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[Richard Woodcock]

Anyone interested might also look at Navworx $869 ADS600-EXP for experimental and LSA's. Not PMA'd, but functions to PMA requirements, they say. Interfaces to transponder with a $200 unit, and provides ADS-B in/out.

PMA'd version is $2400+.

I'll be waiting for a bit, but does anyone know other inexpensive solutions for 2020? Experimental is good with me if it functions as the PMA'd versions.

Rich

[Zubair Khan]

Navworx has not replied to emails to partner. Obviously, if we have not integrated with them, we cannot support with any of their issues.

Thanks

Zubair

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[Richard Woodcock]

Too bad Navworx isn't more interested.

I looked on the Van's site, and they were having a lot of set-up problems with ADS-B out, even with certified equipment. The Navworx stuff was new, and when I looked the two people using it had not gotten ADS-B out working to standards, yet. Apparently, the FAA monitors not only who and where you are, but also a lot of accuracy calculations, as well.

[neald...@gmail.com]

Zubair,

I am surprised you did not hear back from NavWorx.  I mentioned Avare to the owner some months back along with how well it has been working with my Navworx transceiver.  He was very interested in being involved.  I would suggest giving them a ring on the phone as your messages have been caught in the junk folder.  Alternatively if you email me your contact information I will have Bill give you a call.

Regards,

Neal

[Zubair Khan]

Hi Neal

I will give them a call today.

Zubair

[Richard Woodcock]

Neal,
Nice to know your unit works with Avare. Which one, and have you verified the transmission and GPS, as well as the reception? I'll be interested in the EXP unit, when they get a few in the air. I was told it functions identically to the certificated versions.
Rich

[JoesPiper]

Most experimental devices are the same unit as a TSO'd unit except the paperwork.