[gps-talkusers] Re: GPS receivers
- From: Mike Arrigo <n0oxy@xxxxxxxxxxx>
- To: gps-talkusers@xxxxxxxxxxxxx
- Date: Wed, 27 Feb 2013 20:44:15 -0600
I wonder what makes a receiver different so it works with an IOS device. I have
several bluetooth receivers here, and none of them work with my iphone, but
they work just fine with my android phones.
On Feb 27, 2013, at 5:11 PM, "Michael May" <mikemay@xxxxxxxxxxxxxxxx> wrote:
> Les,
>
> More sensitive receivers become important among buildings and canyons. In
> the open, it doesn't much matter what you have.
>
> The acquisition time will be impacted the same way.
>
> Mike
>
>
> -----Original Message-----
> From: gps-talkusers-bounce@xxxxxxxxxxxxx
> [mailto:gps-talkusers-bounce@xxxxxxxxxxxxx] On Behalf Of Les Kriegler
> Sent: Wednesday, February 27, 2013 8:55 AM
> To: gps-talkusers@xxxxxxxxxxxxx
> Subject: [gps-talkusers] Re: GPS receivers
>
> Hi Mike,
>
> Thanks for the detailed explanation about GPS receivers. If one travels in
> an urban area, will the iPhone receiver perform comparably to an external
> receiver? Also, can you comment on acquisition time of these receivers
> versus the iPhone's built-in receiver? Thanks.
>
> Les
>
> -----Original Message-----
> From: gps-talkusers-bounce@xxxxxxxxxxxxx
> [mailto:gps-talkusers-bounce@xxxxxxxxxxxxx] On Behalf Of Michael May
> Sent: Wednesday, February 27, 2013 9:43 AM
> To: gps-talkusers@xxxxxxxxxxxxx
> Subject: [gps-talkusers] GPS receivers
>
> Great to see all the conversation. Do please change up the subject line so
> we can track the different threads.
>
> We have been testing the Garmin Glo GPS receiver. It is one approved by
> Apple for the iPhone. Because it receives at a rate of 10 times per second
> versus the once per second of other receivers, it won't easily work with our
> notetakers. Chris did get it to work but it wasn't simple.
>
> It will definitely be more sensitive and acquire in more places than the
> built-in iPhone GPS. Remember again that when the iPhone shows a position,
> it can be quite inaccurate if in fact it has no GPS signal and is just using
> the cell signals.
>
> GPS receivers have a sensitivity rating, the lower the DBM, the more
> sensitive. The better receivers like the iBlue and QSTARZ have been in the
> minus 150 to 160 range. The Garmin Glo is in the minus 180 range.
>
> It sells for around $99. Here is one more benefit as copied from the Garmin
> website.
> GLO can receive position information from both the GPS and GLONASS satellite
> constellations, allowing it to connect to up to 24 more satellites than
> devices that rely on GPS alone. This allows GLO to lock on to satellites
> approximately 20 percent faster and remain connected even at high speed.
> What's more, GLO updates its position information at 10 times per second -
> that's up to 10 times more often than the GPS receivers in many mobile
> devices.
>
> Michael May, CEO Sendero Group
> Developers of accessible GPS and distributors of technology for the blind
>
> Office Phone: 888-757-6810, extension 101
> Email: MikeMay@xxxxxxxxxxxxxxxx
> Sendero web: http://www.senderogroup.com General GPS Web:
> http://www.AccessibleGPS.com Mike May Personal:
> http://www.CrashingThrough.com
>
> Sendero Address: 1857 Glenmark Way, Roseville, CA 95747
>
>
>
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