[App_rpt-users] RTCM with GPS

[Bryan D. Boyle]

the rtcm is not 'looking' per se, for 10 satellites, but has detected that there are x-number of satellites in view at the present time.

I don't believe that the rtcm has the ephemeres in its' limited memory in the box, but mat be caching those it has seen on a FIFO basis.  someone with more insight may be able to clarify.

--
Bryan
Sent from my iPhone 5...No electrons were harmed in the sending of this message.



> On May 1, 2015, at 18:39, Jeff Carrier <k0jsc.jeff at gmail.com> wrote:
> 
> Ok i've had pretty wide variation of replies.  When I see GPS drop and restore on the console it always indicates 10 satellites in view.  I'm assuming the RTCM is looking for 10.
> 
>> On Fri, May 1, 2015 at 3:06 PM, Mike Tubby <mike at tubby.org> wrote:
>> 
>> For a 2D fix you need a minimum of 3 satellites
>> For a 3D fix you need a minimum of 4 satellites
>> 
>> Beyond this "more is better".
>> 
>> HTH
>> 
>> Mike G8TIC
>> 
>> 
>>> On 01/05/2015 20:41, Jeff Carrier wrote:
>>> Does anyone know how many satellites are required for a good GPS lock.  I keep losing lock which is causing me to lose the system.  
>>> 
>>> 
>>> K0JSC
>>> 
>>> 
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