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Trimble 5700/5800 RTK System  

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cordgrass
(@cordgrass)
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January 9, 2019 6:24 pm  

Put if on ebay for $3500 and accept best offer.  


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Skeeter1996
(@skeeter1996)
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January 9, 2019 6:40 pm  

I'd rather sell it to a Surveyor starting out than to someone on eBay.


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Tommy Young
(@tommy-young)
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January 10, 2019 7:13 am  

Isn't the 5700 going to be non operational in the near future?


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Bill93
(@bill93)
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January 10, 2019 7:24 am  

What will cause it to be non-operational?


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Jim Frame
(@jim-frame)
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January 10, 2019 8:27 am  

"Non-operational" might not be the best term for it, because you'll still be able to get data out of it that can be useful.  But, as I understand it (I don't have any 5700 receivers), if the firmware is older than a certain version the receiver will misinterpret the GPS week and report faulty date and time information.  While this can be managed for post-processed data, it may be fatal for RTK work.

The UNAVCO site has some information that might be helpful.

Jim Frame
Frame Surveying & Mapping
609 A Street
Davis, CA 95616
framesurveying.com


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Skeeter1996
(@skeeter1996)
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January 10, 2019 9:12 am  

Never heard that. Trimble doesn't support either the 5700 or the 5800. You even have to search eBay for parts. The stuff worked thru the last GPS week change without any problems. It uses only the old satelites so I wouldn't expect them to be getting changed. The last GPS week adjustment only affected processing thru OPUS. There's alot of folks out there still using nonGNSS equipment not to mention navigation equipment, I'd think it'd raise alot problems if they couldn't determine location.


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Jitterboogie
(@jitterboogie)
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January 10, 2019 9:14 am  

My Previous Company has 10-15 of these.  They work fine for static work unless you need to work with IMUs from an aerial mapping platform that collect data in GNSS too.

RTK is ok too if you have your FCC license(most didn't) and it won't interfere with the VRS signals as those are cell phone tower based data streams.

Otherwise, the link JF provided gives the guidance on the firmware updates and the cost per unit to upgrade I was quoted at like 600 dollars(rounded) per unit at one time.


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Bill93
(@bill93)
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January 10, 2019 9:19 am  

GPS week 2048 (a power of 2) is begins April 7, so if the receiver has a limited number of bits for the week this could be the magic end date for RTK.  After that it would be like the 4000sse/ssi receivers that think the week should be less than 1024 and so require manual intervention to get static results.


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Skeeter1996
(@skeeter1996)
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January 10, 2019 9:22 am  

Just read the UNAVCO article. Interesting article. It appears it's easily fixed with a firmware upgrade. The hard part would be trying to find that upgrade from Trimble. Sounded like 5700 prior to 2004 would need the upgrade.


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Tommy Young
(@tommy-young)
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January 11, 2019 8:24 am  

I thought the signal it received was going to be turned off.


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Skeeter1996
(@skeeter1996)
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January 18, 2019 12:45 pm  

Gotta be somebody out there slugging away with a total station.

I mapped a 1 mile road location and staked it out all by myself. This setup is great for construction.


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Randy Hambright
(@randy-hambright)
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January 28, 2019 5:08 am  

Same here, Javad is top of the line in my book, care to add to your comment!

 

Don't judge a book by its cover.


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Survey Joe
(@josephkeeleyoutlook-com)
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January 29, 2019 12:42 pm  

Hi I'm interested! I just passed my PS and state specific. In just a couple days or so should be an RLS! So starts the search for equipment and I started with a good tape and a schoenstadt. Would love a tsc3/r10/S6 setup but I don't have 2 nickels to rub together after all these exam/state fees lol. So searching for a 5800 setup to get me going.


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Skeeter1996
(@skeeter1996)
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January 29, 2019 2:17 pm  

It's a good system. I actually had less problems using it than I've had with the R10 and TSC3.

Make me an offer. If the offer is good enough I'd even fly down and show you how to use it.

You would just need a 12 volt battery to power the radio. I've had great luck with the Optima Blue Top


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Skeeter1996
(@skeeter1996)
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January 29, 2019 2:21 pm  

You also need a computer and CAD program. Dell has a really good sale on right now and Carlson is the only way to go for a CAD program.


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