All bugs fixed
Posted by john in Precision Ag, Trimble on September 7, 2010
For the past 12 months I’ve been battling a CMR age bug that would randomly cause the GPS’s to drop to float or even DGPS. Thank’s to assistance from Trimble support it’s now fixed. Upgrading the SNB900 repeaters to v2.21a firmware appear to have fixed all problems. Any where that we expect to get RTK [...]
BATTERIES!!!!
Posted by john in Precision Ag on June 10, 2010
I’ve been able to reconfigure the network so that all currently active users have not required to use the primary repeater & communication hub site. This has allowed me to conduct some runtime tests in overcast weather and run the batteries flat. My Solar panel /battery calculations have proven accurate. So I’ve reconnected the second [...]
Checked the RTK Base Station Survey
Posted by john in Precision Ag on June 10, 2010
Checked the RTK Base Station positions (Survey) today from a point approximately 30km from each and found them all to be within 3cm relative to each other. Users can switch between base stations and they will not notice any difference. Will start to run a new survey program next month to check that no new [...]
Added New Base station
Posted by john in Precision Ag, Trimble on April 12, 2010
Base station at Kadina is now operational on Network 20. Also added a repeater for expanded coverage. Should reach nearly up to Pt Broughton and across to Wallaroo.
New R7 RTK Base Station
Posted by john in Precision Ag, Trimble on January 12, 2010
Got a Trimble R7 GPS today. At the moment I’ve got it setup as the main base and running a survey to verify the GDA94 position of the base station. Most RTK providers do not bother about a proper survey and then can not understand why users experience a position shift when switching between Bases. [...]
Network Status & Coverage
Posted by john in Precision Ag, Trimble on December 30, 2009
While there are some black spots the Network currently covers an area from north of Kadina, Bute and Locheil. East to Hoyleton, Balaklava & Owen. West to Maitland & Arthurton and south of Ardrossan & Wild Horse Plains. Network 21 - Active, available for signal testing. Any properly configured SiteNet900, Joey or SNB900 radio can access this signal. [...]
New RTK Base stations
Posted by john in Precision Ag, Trimble on December 30, 2009
I’ve just aquired some more Trimble GPS RTK base stations and I will be looking to install them early in 2010. The first one will be in the Kadina area as soon as I find a suitable site. While these stations are being installed & tested the siganl is open to all users.
Bad CMR Bug appears to be Isolated
Posted by john in Precision Ag, Trimble on December 30, 2009
I’ve been talking to one of the local Trimble support people and he beleives that the BAD CMR bug has been identified. Randomly a GGA string gets dropped and then on the next string the CMR age blows right out. Lets hope that it gets fixed soon. The Trimble equipment is really great stuff to [...]
900 MHz Radio Range & CMR
While we’ve been able to acheive up to 70km range with the SNR900 & Sitenet900 radios this far exceeds practical use. Over 50km in range it is difficult to get a Fixed RTK solution it is predominatly RTK Float . The Eziguide 500 requires a Fixed RTK solution to autosteer when configured for RTK. Feeding NMEA strings from our [...]
CMR+ gives best results
Posted by john in Precision Ag, Trimble on October 2, 2009
Switched from CMR+ back to CMR this week with a noticable drop in received CMR packets at the repeaters & rovers. Aprox 90% switched back to CMR+ today with reception immediately back to 100%