Javad LS with a Tri...
 
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Javad LS with a Trimble system

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(@stlsurveyor)
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So we have a bit of an issue with our GNSS equipment. Currently we have two R8-3 and one R10, all VRS network rovers. All are equipped with internal UHF radios.

Problem: a good portion of Missouri and Arkansas (especially small towns in the Ozarks) don't have ATT or Verizon cell coverage. No Cell, no GNSS, No GIS uploads, etc. We run three crews and these units are currently all split up.

Will the base set-up configuration of a Javad T2 and the HPT35BT radio work with a Trimble Rover?

I received a quote for a Trimble R8s configured as a base with the TDL450h coming in at 18.5k, add the rover module, tack on an additional 8500.00. New R10 Network rover with internal radio only, 25k. These prices don't include a TSC3, so add another 8k. So no matter how you take it, it gonna cost us 25k+- for a Trimble base receiver with 35w radio.

Javad LS base/rover with a T2 and 35W radio; 21k.

My thoughts, well if I'm going to spend 20k why not get a Javad -LS and a T2 base with a 35W radio, instead of going with one Trimble receiver and getting either a network rover, or base radio with no data collector?

Will J field export a rw5, dc, job file format that will work with TBC?

 
Posted : 05/04/2017 5:22 am
(@shawn-billings)
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We export ASCII text file for points and NGS g-file for vectors. If TBC can directly import NGS g-file vectors, you should be in great shape for adjustments. We also export dwg/dxf, shape, kml, and pdf export. We don't use RW5, job or dc files. We export non-proprietary files that are directly ready to use.

We use nonproprietary RTCM3 for our correction format (RTCM2 and CMR are also supported but aren't as efficient as RTCM3).

By default we use phase shift keying for our radio modulation (ie DQPSK) whereas, I believe Trimble uses minimum key shifting (ie GMSK). Our radios can be configured for ADL compatible settings though, so that should allow your R8 and R10 to work from the Javad base.

 
Posted : 05/04/2017 5:42 am
(@stlsurveyor)
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Shawn Billings, post: 421962, member: 6521 wrote: We export ASCII text file for points and NGS g-file for vectors. If TBC can directly import NGS g-file vectors, you should be in great shape for adjustments. We also export dwg/dxf, shape, kml, and pdf export. We don't use RW5, job or dc files. We export non-proprietary files that are directly ready to use.

We use nonproprietary RTCM3 for our correction format (RTCM2 and CMR are also supported but aren't as efficient as RTCM3).

By default we use phase shift keying for our radio modulation (ie DQPSK) whereas, I believe Trimble uses minimum key shifting (ie GMSK). Our radios can be configured for ADL compatible settings though, so that should allow your R8 and R10 to work from the Javad base.

Awesome, awesome, awesome.

I love that you PLS guys from Javad really know the answers to what we are asking. Thanks

 
Posted : 05/04/2017 6:09 am
(@shawn-billings)
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We work hard to at least make it look like we know what we are talking about.

Good luck to you whatever route you take on this.

 
Posted : 05/04/2017 6:11 am
(@stlsurveyor)
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Shawn Billings, post: 421968, member: 6521 wrote: We work hard to at least make it look like we know what we are talking about.

Good luck to you whatever route you take on this.

I know the route I want to take. The only thing that is constant is change.

 
Posted : 05/04/2017 6:12 am
(@mattsib79)
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I am just west of Louisville, KY. I would be more than happy to come give you a demonstration. (This means on a real job in a real environment). This way you are not out any time and can still be productive.

 
Posted : 05/04/2017 10:59 am
(@stlsurveyor)
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mattsib79, post: 422009, member: 1138 wrote: I am just west of Louisville, KY. I would be more than happy to come give you a demonstration. (This means on a real job in a real environment). This way you are not out any time and can still be productive.

PM sent

 
Posted : 05/04/2017 11:09 am
(@jon-collins)
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Javad LS base radio rover is 21k? I am javad illeterate, is this their latest greatest GNSS units?

 
Posted : 05/04/2017 5:38 pm
(@stlsurveyor)
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Jon Collins, post: 422086, member: 11135 wrote: Javad LS base radio rover is 21k? I am javad illeterate, is this their latest greatest GNSS units?

Javad LS reciever/rover, T2 base receiver, and 35W radio, all for 21k.

Thats cheaper than one Trimble R10 receiver with no data collector, and no external radio.

Ouch.

 
Posted : 05/04/2017 5:42 pm
(@john-evers)
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Jon Collins, post: 422086, member: 11135 wrote: Javad LS base radio rover is 21k? I am javad illeterate, is this their latest greatest GNSS units?

If you have great cell coverage and do not need radios, you can do Base and Rover for under 20K. The most you can spend on a Base Rover / with UHF radio system is about 27K.

Javad has two Base units I would recommend. The Triumph 2 which is GPS and Glonass only, and the Triumph 1M which will use all constellations. The Triumph 2 which requires an external modem is about half the cost of a Triumph 1M, which has a UHF radio built in, and also includes a SIM card slot for an internal cell modem.

The guys on the support team can answer any questions.

 
Posted : 05/04/2017 6:35 pm
(@pencerules)
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You could also look at a going with a Spectra Precision SP80. Has 2 watt internal radio and I can verify it works flawlessly with the Trimble system. The SP80 is also supported in the latest version of Trimble Access. The SP80 works phenomenally. Message me and I can let you know more information and some pricing.

 
Posted : 06/04/2017 4:45 am
(@nate-the-surveyor)
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I have a question: Will "Upsampling" for 5hz tree penetration work, with a NON Javad base? Or, does this force it back to 1 hz?

Thanks,

N

 
Posted : 06/04/2017 7:12 am
(@shawn-billings)
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Upsampling will work with any correction source. RTN users are working with upsampling with Leica and Trimble RTN's.

 
Posted : 06/04/2017 7:30 am
(@phillip-lancaster)
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Ive been using up-sampling with LSU Gulf net's slew of trimble bases. Seems fine to me.

 
Posted : 08/04/2017 8:09 am
(@jim-frame)
Posts: 7277
 

Same here, upsampling with California Real Time Network receivers works fine.

 
Posted : 08/04/2017 10:09 am