[FOSS-GPS] RTKlib help pls
Bud Asterisk
budasterisk at gmail.com
Tue Nov 19 17:45:56 PST 2019
I can take mine outside tomorrow if the weather holds and see how long it
takes. IIRC it was 4 birds in the sky and took a minute. I should have
taken better notes on my trials and tribulations to get it working since I
am still learning lots. I know at some point I had to set an approx start
location for the base station otherwise it would never get to FIX from
FLOAT. Even though conceptually it should. My $0.02 is to use RTKNAVI first
till you can get a FIX as it is much easier to see what is going on. And
then take your working conf and use rtkrcv.
Oh also I used 2 pots from the kitchen as ground planes under the antenna.
Need to get to WMT for something cheap this weekend.
Can you post your *.conf file you used?
On Tue, Nov 19, 2019 at 8:38 PM drwho <drwho at infidigm.net> wrote:
> I gave rtkrcv a try from https://github.com/rtklibexplorer/RTKLIB demo5
> branch and voila, I get a float solution now! No more no
> double-differenced residual after 7 weeks of struggling! Thank you so much
> for pointing out rtklibexplorer. Now onto getting a fixed solution. Any
> idea about how many valid satellites are required for a fixed solution?
> I'm getting 7 right now in the city, overcast....
>
> # of satellites rover : 11
> # of satellites base : 10
> # of valid satellites : 7
>
> 2019/11/20 01:37:22.00 G07 1 23543275.469 0.000
> 123720746.574 0.000 2914.1 0.0 37 064 0
> 2019/11/20 01:37:22.00 G08 1 22171781.133 0.000
> 116513507.383 0.000 3244.9 0.0 45 0 0 0
> 2019/11/20 01:37:22.00 G09 1 21126139.602 0.000
> 111018592.926 0.000 448.3 0.0 38 064 0
> 2019/11/20 01:37:22.00 G16 1 20963946.320 0.000
> 110166281.117 0.000 -2187.3 0.0 46 0 0 0
> 2019/11/20 01:37:22.00 G21 1 25155113.438 0.000
> 132191029.602 0.000 141.0 0.0 31 064 0
> 2019/11/20 01:37:22.00 G23 1 20989052.875 0.000
> 110298206.492 0.000 -1256.4 0.0 35 0 0 0
> 2019/11/20 01:37:22.00 G26 1 22904042.680 0.000
> 120361516.371 0.000 -2944.8 0.0 46 064 0
> 2019/11/20 01:37:22.00 G27 1 20758214.352 0.000
> 109085174.746 0.000 1349.3 0.0 47 064 0
> 2019/11/20 01:37:22.00 R14 1 20121058.617 0.000
> 107256576.695 0.000 -1320.0 0.0 44 0 0 0
> 2019/11/20 01:37:22.00 R15 1 20369659.602 0.000
> 108849285.676 0.000 1616.6 0.0 38 0 0 0
> 2019/11/20 01:37:22.00 R23 1 21825182.789 0.000
> 116750015.395 0.000 -1661.8 0.0 46 0 0 0
> 2019/11/20 01:37:22.00 G08 2 22171770.695 0.000
> 116513422.930 0.000 3245.4 0.0 30 064 0
> 2019/11/20 01:37:22.00 G09 2 21126127.297 0.000
> 111018526.246 0.000 448.2 0.0 39 0 0 0
> 2019/11/20 01:37:22.00 G16 2 20963933.781 0.000
> 110166180.230 0.000 -2187.4 0.0 47 0 0 0
> 2019/11/20 01:37:22.00 G21 2 25155108.125 0.000
> 132190973.727 0.000 140.0 0.0 42 0 0 0
> 2019/11/20 01:37:22.00 G23 2 20989045.883 0.000
> 110298167.875 0.000 -1256.6 0.0 36 0 0 0
> 2019/11/20 01:37:22.00 G26 2 22904033.281 0.000
> 120361469.652 0.000 -2944.8 0.0 44 064 0
> 2019/11/20 01:37:22.00 G27 2 20758202.812 0.000
> 109085095.344 0.000 1349.2 0.0 48 0 0 0
> 2019/11/20 01:37:22.00 R05 2 20871721.062 0.000
> 111571326.961 0.000 -1165.9 0.0 33 0 0 0
> 2019/11/20 01:37:22.00 R14 2 20121049.281 0.000
> 107256486.191 0.000 -1319.6 0.0 47 064 0
> 2019/11/20 01:37:22.00 R24 2 20960371.930 0.000
> 112084524.137 0.000 1858.1 0.0 40 064 0
>
> Jon
> On 2019-11-19 5:13 p.m., Bud Asterisk wrote:
>
> OK gang.....good news!
>
> I used the latest source for rtkrcv from rtklibexplorer's repo and
> compiled it on my google cloud instance. Also used my conf file I had
> working in rtknavi since it had been tweaked for me. Here is my setup. 2
> CSG M8T boards, each connected to a Raspberry Pi Zero W. They have str2str
> compiled and streaming the data to the google VM of rtkrcv. Attached is a
> screencapture of 3 terminals, 2 of the PI and one of the rtksrv output
> stream of the rover location. Sorry I blacked out the IP and location info
> for security reasons. Right now the antennas are in my window facing south
> so it is only a float solution that comes and and goes. Not sure it
> attachments will make it through the list....
>
> Bud
>
> Oh here is a cut and paste of the output stream. IP and location info has
> been fudged
>
> 2019/11/19 22:12:40.000 21.134425586 -42.963204887 452.7045 2 4
> 0.2230 0.1686 0.5208 -0.1212 -0.1373 -0.1447 1.00 0.0
>
> Right after the elevation of 452 you can see the "2" as solution type
> which is enumated as float.
>
>
> On Tue, Nov 19, 2019 at 9:13 AM drwho <drwho at infidigm.net> wrote:
>
>> On 2019-11-19 8:35 a.m., Bud Asterisk wrote:
>> > I will try the CUI code from here:
>> >
>> > https://github.com/rtklibexplorer/RTKLIB
>> >
>> > Is this what you are using as well? His binaries on windows work for
>> > me to get FIX.
>>
>> The rtkrcv I have been using is from
>>
>> https://github.com/tomojitakasu/RTKLIB.git
>>
>> branch = 2.4.3b33
>>
>> http://www.rtklib.com/ points to this git repo.
>>
>> I'll try the rtkrcv from rtklibexplorer tonight
>>
>> Jon
>>
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