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Garmin GLO Bluetooth GLONASS receiver
Boyd
Here's something interesting... Got a new iPhone 6s Plus recently and read on Garmin's site that some devices had an issue with bluetooth GPS receivers under iOS 8.3 last spring. I am running iOS 9.2, but decided to check.

When I plugged the GLO into my Windows 7 machine, I got the following message (see attachment). Is it possible that the GLO actually works over USB now? Did not take the time to investigate, but I don't recall ever seeing that message before. Anyway, webupdater claimed my GLO already was up to date, so that's as far as I went...

The iPhone is a bit frustrating with an external GPS because you never really know whether it's using it or the internal chip. Have not found any apps that will show all the GPS data like Android. Supposedly iOS uses whatever location data it considers the most accurate. One of the utilities I tried was showing 5m accuracy, which isn't bad. One article I read said iOS might never report any greater accuracy than that regardless.

I also read a post from someone at Bad Elf saying the way to force an iPhone to use an external device is to first put it into airplane mode which evidently disables the internal chip. You can then enable bluetooth and will only receive external data. Will have to check this out...
Attached Images
glo.png  
tcassidy
I thought airplane mode disabled the BT transmitter. Maybe not on an iPhone.

Terry
tcassidy
I get the same message. However, checking in Device Manager - Ports (COM & LPT)does not list any new COM devices. I did check I had a recent Garmin USB driver package loaded.

Maybe it is just to allow for firmware updates.

Terry
Boyd
Quote:
Originally Posted by tcassidy
I thought airplane mode disabled the BT transmitter.
Yes it does, that's why I said "first put it into airplane mode which evidently disables the internal chip. You can then enable bluetooth"

Airplane mode disables cellular, wifi and bluetooth. But you can go back into the settings and enable wifi and bluetooth, still leaving cell data off. According to the post I read, the GPS is disabled when cellular is off.

Just tried this quickly and not quite sure what happened. I was getting a 5m gps fix with fast updates according to my utility program. I then turned the GLO off and the updates got much slower (the app shows a light that flashes with each position update) and they showed 10m accuracy. Not sure if that was coming from the internal chip or perhaps it was because I had wifi enabled. Will look into this a little more tomorrow.

I wish Garmin had some kind of iOS utility for the GLO, other companies have them for their devices.

I think you're probably right, the USB driver is probably just so the GLO can talk to Webupdater.
Boyd
FWIW, here is the source for this:

https://geonet.esri.com/thread/87135

Quote:
If you want to localize the data stream from the PRO we can do this:
- Under SETTINGS turn Airplane Mode ON - this turns off the internal GPS antennae, WIFI, BlueTooth, and 3/4G connection (if available
- Now Toggle Bluetooth back to an ON position ... the PRO is the only source for positional data.
(for non-elfers out there - this will work for any BT GPS receiver, we're just minimizing data sources).
Boyd
Here's something else interesting… when I first paired the phone with the GLO, an alert came up asking if I wanted to download the app. That took me to the App Store where a free download of Garmin Pilot was offered. I skipped it then, but just went back and downloaded now.

Apparently the GLO qualifies you for a 4 week free trial of Pilot (or maybe it's free for anyone??). It's a pretty big download, took awhile on my slow DSL, but it seems to be fully functional. Of course, I'm clueless about what most of it means, will probably delete it soon.

I was curious as to whether it would give me any additional info about GPS fix from the GLO though. It doesn't seem to, but it does report the % battery charge of the GLO.
Attached Images
pilot.jpg   battery.jpg  
Boyd
For anyone who might be interested, I just finished some extensive testing of the GLO in a forest environment. Based on these tests I think the GLO achieves an accuracy of better than +/- 4 meters 95% of the time.








It also appears to be accurate within +/- 3 meters 89% of the time and within +/- 2 meters 73% of the time. I have written this all up in detail here: http://forums.gpsreview.net/discussion/30108/what-is-gps-accuracy-testing-the-garmin-glo-in-the-forest
bluediesel
Dear Terry,
Rob here again, long time no connect. Garmin Glo, Surface Pro, nRoute and GPS gate have been talking together for the past year, uneasily but still talking. Now I have an error message that I cannot understand. When the GLO and GPS gate are connected, I get a message that "unknown data is coming in" The GLO and GPS gate are connected and nRoute is happy but is searching for Satelites. I thought at first there may something wrong with the GLO but I tried it on my Android phone and data comes in correctly and quickly. Any thoughts? regards, Rob
tcassidy
The GLO has a number of connections ( I think 3 at the moment) that it displays in GPS Gate (Input) as COM ports. You have to choose the right one to get a usable output. I believe that you must use COM 5 as the GPS Gate input per my post #259 in this thread.

Terry
tcassidy
I just downloaded and installed GPS Gate on my Surface 3 running Win 10. The only problem I saw was it only showed 'GPS Gate as a Service' in the programs listing. I right clicked on that and went to the file location. Started GPS Gate from there and attempted to find the GLO.

As usual it didn't find it so I used the advanced button and choose GLO and COM 5 from the Bluetooth choices (I had not added it to Microsoft BT). Then it showed up fine.

Terry
Attached Images
glo-win10.jpg  
tcassidy
Maybe it was in the program listings. I forgot to look under the Fs for 'Franson GpsGate 2.6'. It is there now anyway.

Terry
tcassidy
I also downloaded and installed nRoute and copied a map from another computer to test it. Looks fine to me.

Terry
Attached Images
nroute-win10.jpg  
bluediesel
Dear Terry,
COM 5 it is! Thanks very much indeed! You are a genius
bluediesel
Dear Gentlemen,
Now that nRoute is working again, I would like to know if my unlocked in Mapsource City Navigator Europe NT 2011.1, can be unlocked in nRoute? If so how would I do it?
regards, Rob
tcassidy
You need MapReverseConverter. It is not that the map is locked; it is merely the wrong format. MRC can create a copy of your unlocked map that will work with nRoute.

http://www.javawa.nl/cne2009_multilang.html

Terry
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