[FOSS-GPS] RTKLib rover - base question

[Daniel Kranich]

Not sure if you just got the date wrong, but the latest patch was 
released less than a month ago... I believe the latest patch was 
released on *2012-06-30*

--
Daniel Kranich
Northern Utility Services
Daniel at NUSalaska.com
(907)242-9820

On 7/23/2012 10:21 PM, Osterman, Aljaž wrote:
> Thanks for mentioning. I've already thought of this but I wasn't careful enough - 2.4.1 was released on 06/11 and latest patch on 06/09 so I was happy ... because I didn't notice 1 year difference
> Regards,
> Aljaz
> ________________________________________
> From: foss-gps-bounces at lists.osgeo.org [foss-gps-bounces at lists.osgeo.org] on behalf of Daniel Kranich [daniel at NUSalaska.com]
> Sent: Monday, July 23, 2012 6:52 PM
> To: foss-gps at lists.osgeo.org
> Subject: Re: [FOSS-GPS] RTKLib rover - base question
>
> Quick question,
>
> Have you updated to the latest patch version of RTKLib? The standard
> download is not the latest version. You must download and install from
> the download page, and then you have to download the patch from the
> support page here: http://www.rtklib.com/rtklib_support.htm
> No.75 in the support page is the patch which will update all of the
> programs and it could solve your problem.
>
> --
> Daniel Kranich
> Northern Utility Services
> Daniel at NUSalaska.com
> (907)242-9820
>
> On 7/23/2012 4:42 AM, Aljaž Osterman wrote:
>> Dear all,
>>
>> I've just joined the mailing list. I'm not sure if this list accepts
>> messages only from subscribers so perhaps you'll get it twice (the
>> content is very similar).
>> Instead of just introducing myself there's also 'a not so short'
>> presentation of a problem I have with RTKLib.
>>
>> I've started working on an agricultural project involving precise GPS
>> positioning. My previous use of GPS devices was limited to simple flight
>> recording and car navigation.
>>
>> For our project we're using 2 ublox6 devices and RTKLib running on
>> Windows. One receiver acts as a rover and another as a base. Each is
>> connected to PC. Between PCs there's wireless connection.
>> The problem I have is that from base data no location is calculated.
>>
>> What works:
>> 1- both receivers work independently (each on its own PC) with ucenter
>> (software from ublox)
>> 2- both receivers work independently with RTKnavi if input stream is set
>> to rover
>> 3- rover works over wireless (navi+strsvr)
>>
>> To check where's the real problem I went on with only 1 receiver and 1
>> PC. In Navi I tried once to set input stream as rover (position
>> calculated ok, plotted) and next to set as base station. This time,
>> position is not calculated. In Navi, 2nd square is light green (as
>> before 1st with rover), but the middle one (the only one) never switches
>> from dark green to light green. However, satellites are found and
>> strength of signals is plotted (and changes with time so it works
>> somehow) BUT they are all grey and never turn to color mode.
>>
>> I've found almost identical (and recent) thread but there was no
>> solution or at least not described:
>> http://lists.osgeo.org/pipermail/foss-gps/2012-May/000688.html
>>
>> >From the RTKLib manual I don't know if this behavior of RTKLib is by
>> design or base/rover input streams can be both used in case of position
>> calculation from a single receiver signal.
>> Anyway, I still need to obtain the position from the base ...
>>
>> As proposed in other posts I've already set in u-center
>> View-Messages view: UBX-CFG-PRT to Target=USB, P_IN=UBX+NMEA+RTCM,
>> P_OUT=RAW
>> and
>> Configuration View - MSG: RXM-RAW, RXM-SFRB -> USB 1
>>
>> Thank you for reading so  far. I'll record the outputs tomorrow so
>> there's more to come :)
>>
>> I'd appreciate your comments and advices.
>>
>> Best regards,
>> Aljaz
>>
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