[FOSS-GPS] impressed

Tomoji TAKASU ttaka at yk.rim.or.jp
Tue Mar 19 01:24:38 PDT 2013


Dear oddpost

2.4.2b11 does not support mount-points containing "/".

The problem will be fixed in the formal 2.4.2 released
at the end of this month. Please wait for a while.

Tomoji TAKASU

--------------------------------------------------
From: "oddpost" <oddpost at ya.ru>
Sent: Tuesday, March 19, 2013 5:04 PM
To: "Open Source GPS-related discussion and support" 
<foss-gps at lists.osgeo.org>
Subject: Re: [FOSS-GPS] impressed

> Dear Tomoji,
> thanks a lot for your help and very quick reply. I very appreciate your 
> comments.
> Could you please also let me know whether ntrip mount point can have slash 
> in its name? ("/")
> As an example:
> Mountpoint:
> Test/RTK
>
> Ntrip Browser shows mount points successfully ("Test/RTK"), but  after 
> that in ntrip client options part of the mount point name goes to Port 
> field (81/Test).
> And of course after that no mountp error occurs.
>
> Please check screenshot for your reference.
>
> Thanks a lot!
>
> On Mar 19, 2013, at 3:37 PM, "Tomoji TAKASU" <ttaka at yk.rim.or.jp> wrote:
>
>> Dear oddpost
>>
>>> When working with Type 18 and Type 19 messages, should Input
>>> Stream be set as (2) Base Station or (3) Correction?
>>
>> Please set (2).
>>
>>> Options for positioning mode should be set as "Kinematic"?
>>
>> If moving, set "Kinematic".
>> If stationary, set either "Kinematic" or "Static".
>>
>> Tomoji TAKASU
>>
>> --------------------------------------------------
>> From: "oddpost" <oddpost at ya.ru>
>> Sent: Tuesday, March 19, 2013 4:22 PM
>> To: "Open Source GPS-related discussion and support" 
>> <foss-gps at lists.osgeo.org>
>> Subject: Re: [FOSS-GPS] impressed
>>
>>> Hello,
>>> I am trying to figure out rtknavi settings. I am using openmoko 
>>> freerunner and would like to get relatively precise positioning (using 
>>> RTK).
>>> I have access to ntrip, providing Type 1 (differential GPS corrections), 
>>> Type 3 (BS parameters), Type 18 (uncorrected carrier phase 
>>> measurements),
>>> Type 19 (virtual distance uncorrected observations).
>>>
>>> When working with Type 18 and Type 19 messages, should Input Stream be 
>>> set as (2) Base Station or (3) Correction?
>>> Options for positioning mode should be set as "Kinematic"?
>>>
>>> The idea is to get the following simple architecture:
>>> freerunner --> rtknavi <---- ntrip
>>>
>>> Thanks a lot for your help
>>> On Mar 16, 2013, at 11:46 PM, Artyom G <gnsssdr at gmail.com> wrote:
>>>
>>>> Dear all,
>>>>
>>>> I also want to thank developers of RTKlib.
>>>> During last month one the students under my control tested nvs08c-csm 
>>>> with
>>>> RTKlib. At first we tried to get our coordinates relative to RTCM base
>>>> station. During 3 days the difference in fix-position coordinates 
>>>> didn't
>>>> exceed 1cm (on each coordinate). Distance between RTCM station and our
>>>> antenna was about 3 km. Then we determined coordinates between RTCM 
>>>> station
>>>> and second reciever. And at the end we determined coordinates between 
>>>> two
>>>> nvs08c-csm receivers (baseline about 8m).
>>>>
>>>> We also checked manually baseline distance between two nvs08c-csm 
>>>> receivers
>>>> by subtracting coordinates of the first nvs08c-csm receiver (that were 
>>>> got
>>>> relative to RTCM station) from the coordinates of the second nvc08c-csm
>>>> receiver (that were also got relative to RTCM station). The result was 
>>>> the
>>>> same as RTKlib outputed.
>>>>
>>>> I also appreciated strongly the posibility to stream data from receiver
>>>> through "strsvr". It was very comfortable to work with receivers output 
>>>> in
>>>> parallel with the student.
>>>>
>>>> Thanks a lot for RTKlib.
>>>>
>>>> On Sat, Mar 16, 2013 at 1:40 PM, Michele Bavaro 
>>>> <mic.bavaro at yahoo.co.uk>wrote:
>>>>
>>>>> Great, thank you!
>>>>>
>>>>> Too many times we hear the opposite.
>>>>> I am glad that - for once - someone has been willing to share his good
>>>>> results with RTKLIB combined with low cost receivers.
>>>>> To cool down you enthusiasm a bit, I anticipate that you should not 
>>>>> expect
>>>>> much difference between a LEA-4T and a NV08C-CSM. Carrier phase noise 
>>>>> is
>>>>> similar and despite tracking Glonass, that is still hardly usable by 
>>>>> RTKLIB
>>>>> since it is affected by the well-known biases any Glonass receiver RF
>>>>> receive path is subject to. And RTKLIB "auto-calibration" feature is 
>>>>> still
>>>>> not implemented.
>>>>>
>>>>> If I am allowed, I am under the impression that Tomoji's development
>>>>> road-map is adding more and more features to RTKLIB so that now 
>>>>> resembles
>>>>> very much a professional product rather than an open-source 
>>>>> *one-man*effort. Surely having multiple frequencies, multiple 
>>>>> constellations, super
>>>>> standalone post-processing (PPP), and beautifully coloured GUIs is 
>>>>> great
>>>>> and we are always grateful to him for that. But I wonder how many 
>>>>> users
>>>>> desire to have a robust and very lean single frequency GPS RTK 
>>>>> algortihm.
>>>>> One that can run headless on Android perhaps, or even on a STM32F4 
>>>>> bare
>>>>> metal. One that can fill the gap with the most common quirks of 
>>>>> low-cost
>>>>> receivers (e.g. random phase slips) and use some sort of 
>>>>> pre-processing
>>>>> RAIM to indentify and exclude outliers. One that can be integrated in
>>>>> robotic automatic guidance projects.
>>>>>
>>>>> Back to receivers, the only real difference between NV08C-CSM and 
>>>>> LEA-4T
>>>>> is that the latter is gone out of production several years ago, and 
>>>>> uBlox
>>>>> has not replaced it with an equally performing module. 5T and 6T in 
>>>>> fact
>>>>> can only measure at 10Hz under certain conditions and they are not
>>>>> certified to do that anyway.
>>>>> So if you need a module to build a commercial product you only have 
>>>>> three
>>>>> choices right now: NVS NV08C-CSM, ublox 6T/P, and Skytraq S1315F-RAW.
>>>>> Of the three, only the first has to my knowledge a clear development 
>>>>> and
>>>>> upgrade path. There are rumors that the new revision of NV08C -to come 
>>>>> out
>>>>> later this year- will fully support Galileo and, as most of us know,
>>>>> Galileo Signal In Space specifications guarantee interoperability with 
>>>>> GPS
>>>>> by design. Thus, as soon as there will be a sensible number of Galileo
>>>>> birds in the sky, dual constellation low-cost RTK will become easily
>>>>> useable by all of us. Not to mention dual frequency of course, as L5 
>>>>> and
>>>>> E5a bands overlap.
>>>>>
>>>>> Congratulations again and keep it up,
>>>>> Michele
>>>>>
>>>>>
>>>>>
>>>>> On 16/03/2013 09:04, napoleon wrote:
>>>>>
>>>>> Hello,
>>>>> My setup is:
>>>>> Rover:40db tallysman antenna, lea-4t receiver
>>>>> Base: leica 1202gg antenna ntrip caster connection,rtcm 3 data.
>>>>> baseline 6.68 m
>>>>> base -kinimatic solution
>>>>> I searched for the lea-4t configuration, i set it up, i pressed 
>>>>> ''start''and
>>>>> i had first fix after 1.5 minute and stable fix after 7 
>>>>> minutes....(less
>>>>> than 2.5cm)-MY FIRST TRY
>>>>> Looks like a joke.
>>>>> I am totally impressed.
>>>>> I am planning a new config with tallysman gnss antenna and nvs-08 and 
>>>>> i am
>>>>> afraid to imagine the result.
>>>>> I will also test vrs and max solutions from the base network (i guess 
>>>>> i can
>>>>> feed max solution through rtcm 3 to rtklib)
>>>>> Anyway i have to say again that i am impressed and to thank you 
>>>>> ttakasu and
>>>>> team.
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> View this message in context: 
>>>>> http://open-source-gps-related-discussion-and-support.1099874.n2.nabble.com/impressed-tp7572660.html
>>>>> Sent from the Open Source GPS-related discussion and support mailing 
>>>>> list archive at Nabble.com.
>>>>> _______________________________________________
>>>>> This message is sent to you from FOSS-GPS at lists.osgeo.org mailing 
>>>>> list.
>>>>> Visit http://lists.osgeo.org/mailman/listinfo/foss-gps to manage your 
>>>>> subscription
>>>>> For more information, check http://wiki.osgeo.org/wiki/FOSS-GPS
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> This message is sent to you from FOSS-GPS at lists.osgeo.org mailing 
>>>>> list.
>>>>> Visit http://lists.osgeo.org/mailman/listinfo/foss-gps to manage your
>>>>> subscription
>>>>> For more information, check http://wiki.osgeo.org/wiki/FOSS-GPS
>>>>>
>>>>>
>>>> _______________________________________________
>>>> This message is sent to you from FOSS-GPS at lists.osgeo.org mailing list.
>>>> Visit http://lists.osgeo.org/mailman/listinfo/foss-gps to manage your 
>>>> subscription
>>>> For more information, check http://wiki.osgeo.org/wiki/FOSS-GPS
>>>
>>> _______________________________________________
>>> This message is sent to you from FOSS-GPS at lists.osgeo.org mailing list.
>>> Visit http://lists.osgeo.org/mailman/listinfo/foss-gps to manage your 
>>> subscription
>>> For more information, check http://wiki.osgeo.org/wiki/FOSS-GPS
>>
>> _______________________________________________
>> This message is sent to you from FOSS-GPS at lists.osgeo.org mailing list.
>> Visit http://lists.osgeo.org/mailman/listinfo/foss-gps to manage your 
>> subscription
>> For more information, check http://wiki.osgeo.org/wiki/FOSS-GPS
>
>



> Dear Tomoji,
> thanks a lot for your help and very quick reply. I very appreciate your 
> comments.
> Could you please also let me know whether ntrip mount point can have slash 
> in its name? ("/")
> As an example:
> Mountpoint:
> Test/RTK
>
>
> Ntrip Browser shows mount points successfully ("Test/RTK"), but  after 
> that in ntrip client options part of the mount point name goes to Port 
> field (81/Test).
> And of course after that no mountp error occurs.
>
>
> Please check screenshot for your reference.
>
>
> Thanks a lot!
>
>
> On Mar 19, 2013, at 3:37 PM, "Tomoji TAKASU" <ttaka at yk.rim.or.jp> wrote:
>
>
>  Dear oddpost
>
>
>    When working with Type 18 and Type 19 messages, should Input
>    Stream be set as (2) Base Station or (3) Correction?
>
>
>  Please set (2).
>
>
>    Options for positioning mode should be set as "Kinematic"?
>
>
>  If moving, set "Kinematic".
>  If stationary, set either "Kinematic" or "Static".
>
>  Tomoji TAKASU
>
>  --------------------------------------------------
>  From: "oddpost" <oddpost at ya.ru>
>  Sent: Tuesday, March 19, 2013 4:22 PM
>  To: "Open Source GPS-related discussion and support" 
> <foss-gps at lists.osgeo.org>
>  Subject: Re: [FOSS-GPS] impressed
>
>
>    Hello,
>    I am trying to figure out rtknavi settings. I am using openmoko 
> freerunner and would like to get relatively precise positioning (using 
> RTK).
>    I have access to ntrip, providing Type 1 (differential GPS 
> corrections), Type 3 (BS parameters), Type 18 (uncorrected carrier phase 
> measurements),
>    Type 19 (virtual distance uncorrected observations).
>
>    When working with Type 18 and Type 19 messages, should Input Stream be 
> set as (2) Base Station or (3) Correction?
>    Options for positioning mode should be set as "Kinematic"?
>
>    The idea is to get the following simple architecture:
>    freerunner --> rtknavi <---- ntrip
>
>    Thanks a lot for your help
>    On Mar 16, 2013, at 11:46 PM, Artyom G <gnsssdr at gmail.com> wrote:
>
>
>      Dear all,
>
>      I also want to thank developers of RTKlib.
>      During last month one the students under my control tested nvs08c-csm 
> with
>      RTKlib. At first we tried to get our coordinates relative to RTCM 
> base
>      station. During 3 days the difference in fix-position coordinates 
> didn't
>      exceed 1cm (on each coordinate). Distance between RTCM station and 
> our
>      antenna was about 3 km. Then we determined coordinates between RTCM 
> station
>      and second reciever. And at the end we determined coordinates between 
> two
>      nvs08c-csm receivers (baseline about 8m).
>
>      We also checked manually baseline distance between two nvs08c-csm 
> receivers
>      by subtracting coordinates of the first nvs08c-csm receiver (that 
> were got
>      relative to RTCM station) from the coordinates of the second 
> nvc08c-csm
>      receiver (that were also got relative to RTCM station). The result 
> was the
>      same as RTKlib outputed.
>
>      I also appreciated strongly the posibility to stream data from 
> receiver
>      through "strsvr". It was very comfortable to work with receivers 
> output in
>      parallel with the student.
>
>      Thanks a lot for RTKlib.
>
>      On Sat, Mar 16, 2013 at 1:40 PM, Michele Bavaro 
> <mic.bavaro at yahoo.co.uk>wrote:
>
>
>        Great, thank you!
>
>        Too many times we hear the opposite.
>        I am glad that - for once - someone has been willing to share his 
> good
>        results with RTKLIB combined with low cost receivers.
>        To cool down you enthusiasm a bit, I anticipate that you should not 
> expect
>        much difference between a LEA-4T and a NV08C-CSM. Carrier phase 
> noise is
>        similar and despite tracking Glonass, that is still hardly usable 
> by RTKLIB
>        since it is affected by the well-known biases any Glonass receiver 
> RF
>        receive path is subject to. And RTKLIB "auto-calibration" feature 
> is still
>        not implemented.
>
>        If I am allowed, I am under the impression that Tomoji's 
> development
>        road-map is adding more and more features to RTKLIB so that now 
> resembles
>        very much a professional product rather than an open-source 
> *one-man*effort. Surely having multiple frequencies, multiple 
> constellations, super
>        standalone post-processing (PPP), and beautifully coloured GUIs is 
> great
>        and we are always grateful to him for that. But I wonder how many 
> users
>        desire to have a robust and very lean single frequency GPS RTK 
> algortihm.
>        One that can run headless on Android perhaps, or even on a STM32F4 
> bare
>        metal. One that can fill the gap with the most common quirks of 
> low-cost
>        receivers (e.g. random phase slips) and use some sort of 
> pre-processing
>        RAIM to indentify and exclude outliers. One that can be integrated 
> in
>        robotic automatic guidance projects.
>
>        Back to receivers, the only real difference between NV08C-CSM and 
> LEA-4T
>        is that the latter is gone out of production several years ago, and 
> uBlox
>        has not replaced it with an equally performing module. 5T and 6T in 
> fact
>        can only measure at 10Hz under certain conditions and they are not
>        certified to do that anyway.
>        So if you need a module to build a commercial product you only have 
> three
>        choices right now: NVS NV08C-CSM, ublox 6T/P, and Skytraq 
> S1315F-RAW.
>        Of the three, only the first has to my knowledge a clear 
> development and
>        upgrade path. There are rumors that the new revision of NV08C -to 
> come out
>        later this year- will fully support Galileo and, as most of us 
> know,
>        Galileo Signal In Space specifications guarantee interoperability 
> with GPS
>        by design. Thus, as soon as there will be a sensible number of 
> Galileo
>        birds in the sky, dual constellation low-cost RTK will become 
> easily
>        useable by all of us. Not to mention dual frequency of course, as 
> L5 and
>        E5a bands overlap.
>
>        Congratulations again and keep it up,
>        Michele
>
>
>
>        On 16/03/2013 09:04, napoleon wrote:
>
>        Hello,
>        My setup is:
>        Rover:40db tallysman antenna, lea-4t receiver
>        Base: leica 1202gg antenna ntrip caster connection,rtcm 3 data.
>        baseline 6.68 m
>        base -kinimatic solution
>        I searched for the lea-4t configuration, i set it up, i pressed 
> ''start''and
>        i had first fix after 1.5 minute and stable fix after 7 
> minutes....(less
>        than 2.5cm)-MY FIRST TRY
>        Looks like a joke.
>        I am totally impressed.
>        I am planning a new config with tallysman gnss antenna and nvs-08 
> and i am
>        afraid to imagine the result.
>        I will also test vrs and max solutions from the base network (i 
> guess i can
>        feed max solution through rtcm 3 to rtklib)
>        Anyway i have to say again that i am impressed and to thank you 
> ttakasu and
>        team.
>
>
>
>        --
>        View this message in context: 
> http://open-source-gps-related-discussion-and-support.1099874.n2.nabble.com/impressed-tp7572660.html
>        Sent from the Open Source GPS-related discussion and support 
> mailing list archive at Nabble.com.
>        _______________________________________________
>        This message is sent to you from FOSS-GPS at lists.osgeo.org mailing 
> list.
>        Visit http://lists.osgeo.org/mailman/listinfo/foss-gps to manage 
> your subscription
>        For more information, check http://wiki.osgeo.org/wiki/FOSS-GPS
>
>
>
>        _______________________________________________
>        This message is sent to you from FOSS-GPS at lists.osgeo.org mailing 
> list.
>        Visit http://lists.osgeo.org/mailman/listinfo/foss-gps to manage 
> your
>        subscription
>        For more information, check http://wiki.osgeo.org/wiki/FOSS-GPS
>
>
>
>      _______________________________________________
>      This message is sent to you from FOSS-GPS at lists.osgeo.org mailing 
> list.
>      Visit http://lists.osgeo.org/mailman/listinfo/foss-gps to manage your 
> subscription
>      For more information, check http://wiki.osgeo.org/wiki/FOSS-GPS
>
>
>    _______________________________________________
>    This message is sent to you from FOSS-GPS at lists.osgeo.org mailing list.
>    Visit http://lists.osgeo.org/mailman/listinfo/foss-gps to manage your 
> subscription
>    For more information, check http://wiki.osgeo.org/wiki/FOSS-GPS
>
>
>  _______________________________________________
>  This message is sent to you from FOSS-GPS at lists.osgeo.org mailing list.
>  Visit http://lists.osgeo.org/mailman/listinfo/foss-gps to manage your 
> subscription
>  For more information, check http://wiki.osgeo.org/wiki/FOSS-GPS
>
>
>



> _______________________________________________
> This message is sent to you from FOSS-GPS at lists.osgeo.org mailing list.
> Visit http://lists.osgeo.org/mailman/listinfo/foss-gps to manage your 
> subscription
> For more information, check http://wiki.osgeo.org/wiki/FOSS-GPS
> 


More information about the FOSS-GPS mailing list