[time-nuts] GPS Antenna
azelio.boriani at screen.it
Mon Sep 12 17:08:31 UTC 2011
South? Are you sure? GPS SVs aren't TV broadcast satellites...
On 9/12/11, Miguel Gonçalves <mail at miguelgoncalves.com> wrote:
> It's an apartment.
> I'll check today where south is to see what I can do.
> Two last questions about clockstats
> 55816 60529.233 127.127.30.0 3524834928.999999971 2011 255 16 48 49 48
> rstat 08 dop 0.0 nsat 12,4 traim 1,0,0 sigma 54 neg-sawtooth 13 sat
> I was wondering what does sigma 54 mean... Is it the One Sigma Timing error?
> Meaning 54 ns?
> What about sat 38808008? I assume this is the status of the tracked
> satellites. 8 means is being tracked while 3 is about to be tracked. Am I
> Thanks for your patience and help.
> On 12 September 2011 17:41, Chris Albertson
> <albertson.chris at gmail.com>wrote:
>> 2011/9/12 Miguel Gonçalves <mail at miguelgoncalves.com>:
>> > Hi Chris!
>> > Here and on ntp-questions always helping me out! Thanks!
>> > Moving it up to the roof would be difficult. Would have to talk to all
>> > neighbours to ask permission to run a cable to the roof. I'll have to
>> > it at this location.
>> > Anyway, in position hold I would assume that using 2 satellites will
>> > give
>> > good time. Right?
>> I think you have already proved that it can work. This is an
>> apartment or condo? If so then all you can do is either indoors or at
>> best a pole that hangs out the window or maybe a south facing balcony
>> rail mount. If it's not your building then you can't even drill a
>> hole through the wall so you are stuck with indoors.
>> Chris Albertson
>> Redondo Beach, California
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