[time-nuts] Re: looking for multi-constellation GNSS nav receiver with bluetooth or WiFi interface

[Bob kb8tq]

Hi

There are a variety of demo boards out there. Some have 
WiFi / Bluetooth on them. The uBlox F9x products would be
one of the prime candidates. They are multi band / multi 
constellation devices. You might also look into the Septentrio 
Mosiac demo boards. 

For a full up module with , the Septentrio AsteRx-M3 boards look like
some of them would likely fill the bill. They are more than a bit
expensive. 

How any of this would interface with specific nav software is very 
much a “that depends” sort of thing. Unless multi GNSS / multi 
band gear is commonly available for this application …. I’d bet
it’s not going to drop right in. 

If indeed what you are looking for is a robust solution based on 
multi band and multi constellation comparisons, that is a pretty 
significant software undertaking. There is software that works with 
multi this and multi and they simply averages thing. If one input 
goes a bit bonkers, so does the average. The “how do I decide” 
stuff isn’t always there ……

Bottom line : I’d take a pretty good look at the software before I 
put a few thousand dollars into this or that bunch of electronics. 

Bob

> On Oct 13, 2022, at 7:16 AM, Brian Lloyd via time-nuts <time-nuts at lists.febo.com> wrote:
> 
> This is somewhat off-topic for time nuts but probably on-topic for the GNSS aficionados that lurk about here.
> 
> I am working on a book about long-distance flying and, knowing the potential fragility of single-constellation GNSS, especially GPS, I have been trying to find a multi-constellation sensor that goes beyond GPS + GLONAS. Does anyone know of a packaged nav sensor that includes GPS, GLONAS, BeiDou, and Galileo? Yes, I have followed all the discussion of the newer multi-constellation GNSS modules that are now out there but I haven't been successful in finding a packaged nav sensor with a WiFi or Bluetooth interface that can integrate with various nav packages available for aviation, e.g. ForeFlight.
> 
> Also, if anyone knows of a better place to ask this question I would appreciate that information as well.
> 
> Thank you in advance.
> 
> -- 
> Brian Lloyd
> brian at lloyd.aero
> +1 210 620 0011
> ‭+39 338 7418637
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