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Re: [gpsd-dev] [PATCH 7/9] Correctly define autonomous and A-GPS mode
From: |
Greg Troxel |
Subject: |
Re: [gpsd-dev] [PATCH 7/9] Correctly define autonomous and A-GPS mode |
Date: |
Fri, 17 Apr 2015 13:34:57 -0400 |
User-agent: |
Gnus/5.130006 (Ma Gnus v0.6) Emacs/24.4 (berkeley-unix) |
Sanjeev Gupta <address@hidden> writes:
> On Sat, Apr 18, 2015 at 1:20 AM, Greg Troxel <address@hidden> wrote:
>
>> > I do not think gpsd should do this, the TTFF for a cold start is short
>> > enough.
>>
>> I don't follow. If we can figure it out and ensure there are no privacy
>> leaks when getting data, it seems that TTFF could drop from perhaps
>> minutes to seconds. TTFF can be especially long when there are frequent
>> sky view obstructions.
>
>
> Maybe because I am on the equator, but with a decent skyview, I get a cold
> start TTFF in under 30 secs. (I jest not).
I believe you. But that's a good situation. I have turned on a GPSr in
a car (so with some obstruction) and driven around 5km before getting a
fix. Where I am has not only hills, but lots of trees, and things are
even worse in cities.
pgpuqHeEmq9bw.pgp
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- [gpsd-dev] [PATCH 7/9] Correctly define autonomous and A-GPS mode, (continued)
- [gpsd-dev] [PATCH 7/9] Correctly define autonomous and A-GPS mode, Sanjeev Gupta, 2015/04/17
- Re: [gpsd-dev] [PATCH 7/9] Correctly define autonomous and A-GPS mode, Greg Troxel, 2015/04/17
- Re: [gpsd-dev] [PATCH 7/9] Correctly define autonomous and A-GPS mode, Eric S. Raymond, 2015/04/17
- Re: [gpsd-dev] [PATCH 7/9] Correctly define autonomous and A-GPS mode, Greg Troxel, 2015/04/17
- Re: [gpsd-dev] [PATCH 7/9] Correctly define autonomous and A-GPS mode, Sanjeev Gupta, 2015/04/17
- Re: [gpsd-dev] [PATCH 7/9] Correctly define autonomous and A-GPS mode, Eric S. Raymond, 2015/04/17
- Re: [gpsd-dev] [PATCH 7/9] Correctly define autonomous and A-GPS mode, Paul Fertser, 2015/04/19
- Re: [gpsd-dev] [PATCH 7/9] Correctly define autonomous and A-GPS mode, Sanjeev Gupta, 2015/04/17
- Re: [gpsd-dev] [PATCH 7/9] Correctly define autonomous and A-GPS mode, Greg Troxel, 2015/04/17
- Re: [gpsd-dev] [PATCH 7/9] Correctly define autonomous and A-GPS mode, Sanjeev Gupta, 2015/04/17
- Re: [gpsd-dev] [PATCH 7/9] Correctly define autonomous and A-GPS mode,
Greg Troxel <=
- Re: [gpsd-dev] [PATCH 7/9] Correctly define autonomous and A-GPS mode, Sanjeev Gupta, 2015/04/17
- Re: [gpsd-dev] [PATCH 7/9] Correctly define autonomous and A-GPS mode, Sanjeev Gupta, 2015/04/17
- Re: [gpsd-dev] [PATCH 7/9] Correctly define autonomous and A-GPS mode, Greg Troxel, 2015/04/17
- Re: [gpsd-dev] [PATCH 7/9] Correctly define autonomous and A-GPS mode, Greg Troxel, 2015/04/17
- [gpsd-dev] [PATCH 8/9] Remove dead links., Sanjeev Gupta, 2015/04/17
- [gpsd-dev] [PATCH 9/9] Remove lots of dead links., Sanjeev Gupta, 2015/04/17