[gps-talkusers] Re: GPS receivers
- From: Rocket <news@xxxxxxxxxxx>
- To: "gps-talkusers@xxxxxxxxxxxxx" <gps-talkusers@xxxxxxxxxxxxx>
- Date: Thu, 28 Feb 2013 17:40:48 -0700
Where does one find a list of external gps receivers that will work with the
apple ios?
Marco the rocket
Sent from my iPad
On 2013-02-28, at 7:34, Jacob Schmude <j.schmude@xxxxxxxxx> wrote:
> Hi Mike
> I can answer that. iOS compatible Bluetooth gps receivers use an
> Apple-specific protocol that is completely separate from the serial-based
> protocol used by other receivers. This protocol is created and licensed by
> Apple and, from what I've found out from Bad-Elf, actually comes on a
> proprietary chip that is used when constructing these receivers. Those who
> make the receivers know how to communicate with this protocol chip (a
> firmware API) but don't actually implement the protocol themselves. This
> protocol is iOS-specific and therefore does not work with any other devices.
> If you want to use a standard Bluetooth receiver with your iPhone that does
> not implement this protocol, you'll need to jailbreak and install an app that
> performs the same function as Android's Bluetooth GPS app, i.e. passes the
> information from the external receiver into CoreLocation which then obscures
> the data from the internal receiver. However, none of these apps are free and
> paying for an app that only
> runs on a jailbroken device is a bad investment, which is why I purchased a
> Bad-Elf Pro Bluetooth receiver. It has the same MTK2 chipset as the iBlue
> 737A+ and 747 and an excellent antenna giving me the same accuracy I enjoyed
> with my iBlue, but has the Apple protocol chip.
>
> On Feb 27, 2013, at 6:44 PM, Mike Arrigo <n0oxy@xxxxxxxxxxx> wrote:
>
>> 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
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