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Topcon Hiperlite problem. Any ideas?

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GNSS & Geodesy

Last Post by nate-the-surveyor 6 years ago

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Chris -LLS

(@cerolli)

Posts: 100

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?ÿ?ÿ My Topcon Hiper-lite+ base station has developed a problem. When I do my initial setup in the field, the data collector gives the message "unable to stop position stream." This prevents the data collector from communicating with the base and I am unable to use the RTK feature. The rover connects fine, but not the base.

The setup has been idle for a couple months,?ÿ but I put them on charge every week or so.

?ÿAny thoughts??ÿ Thanks!

Posted : March 9, 2021 5:01 am

lurker

(@lurker)

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I really do not have any knowledge of this problem and the following is only a guess. Your base may need to collect ephemeris data and this might take as long as 45 minutes before it finally figures out "where it is in the world". I have encountered other problems when waiting for the ephemeris to update after an extended period of non use but never the message you are seeing.

Posted : March 9, 2021 12:05 pm

leegreen

(@leegreen)

Posts: 2187

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Clear NVRam first.

Then swap the Base and Rover radio settings.?ÿ

Posted : March 9, 2021 4:33 pm

j-dub

(@j-dub)

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Possibly need to?ÿ reset the NVRAM- there are internet instructions.?ÿ Basically hold down 2 buttons until flashing fast then release.?ÿ And then yes let it sit outside and collect ephemeris data- best to do it to both units.

Posted : March 9, 2021 4:39 pm

Chris -LLS

(@cerolli)

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@lurker-?ÿ Thanks for the suggestion. I will try that tomorrow.

Posted : March 9, 2021 6:21 pm

Chris -LLS

(@cerolli)

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@leegreen- Thanks. I will try that.

Posted : March 9, 2021 6:22 pm

Chris -LLS

(@cerolli)

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@j-dub-- I appreciate your suggestions.

Posted : March 9, 2021 6:24 pm

Chris -LLS

(@cerolli)

Posts: 100

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Thanks to all the suggestions that enabled me to get the unit going again. I cleared the NVRAM in both units this morning and then set them outside for an hour. Seems to work fine now.?ÿ

?ÿChris R

Posted : March 10, 2021 7:03 am