Hi. Is the version 2. Aluminum case with electronic PCB and internal cooler for temperature control.
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Hello everyone. I have just tested the new version of the M2Base that now has a transparent acrylic hermetic window to allow an improved transmission signal of the M2 WiFi: 21 meters of range. This solves the problem of signal reduction in the aluminum case. Big improvement.
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We purchased this kit a while ago and have never used it.
What do use for the antenna height? I want to use it for static data collection to submit to OPUS.
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I’m sure they have specs for the dimensions from the rod mount to base of antenna. Another issue is wether the antenna is in the NGS antenna calibration list. If you use any other antenna, your horizontal/vertical computed location would be wrong.
I’d contact them to find out.
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Hi @Thonrtonls,
I agree with Bryan to check with Metatec regarding the antenna height. I can’t find a straightforward answer for this on their specification. I believe you can contact them at info@mettatec.com.
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Measure it with a tape… just playin’ 
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Thank you so much! I swear I scoured the site and never saw these.
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Yeah, they discontinued after they came out with their own X5, but I had it in my link archives. I sealed an coated mine to use as a reference station before I got my GEODNET unit.
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Got it.
Unfortunately, it is not listed as an antenna in OPUS, so I am now trying to figure out how to submit data to OPUS with a non-listed antenna. If I can process as none and know the results are consistently off, I could kind of reverse engineer it, but I get the feeling from NGS that if I use NONE, that the results can be variable.
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If you’re trying to use OPUS with an unlisted antenna then you probably need to contact NGS. Have you tried looking for a listed antenna model with comparable phase center offsets and variations?
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I just finished sending a note to NGS about it, and looking through to see if I can find a comparable listed antenna now. If I cannot find anything, I’ll go back to using my Reach RS2.
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I have this too. Trying to translate it, but specs are specs.
It doesn’t really work consistently, individual calibrated antenna specific PCV’s vary by frequency, azimuth and inclination so your results would be different at another time, day, location etc. That’s why the tables in the files are so extensive.
Depends on how “accurate” you really want to be, and it certainly wouldn’t be legally traceable.
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Sounds like a job for self post-processing if you have an antenna model, it would probably be listed as such in commercial software. If nothing else compare the M2 kit to a known antenna, that way you could determine the computed difference between the two and have that as a variable to use in the future.
Edit:
This of course that the rod height from top of mark to top of rod is the same. You would have different ARP’s for the actual antenna used or enclosed model.
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