Changes for page Field Deployment Guides

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	1	+XWiki.robert

Content

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8	8	* If possible, choose a location with minimal noise interference and as far away from traffic and people as possible. Try to keep your station out of sight to avoid theft or tampering. The site should not be installed in a place where people would ever stumble upon it (e.g. a walking trail or public area).
9	9	* Nearby Trees, bushes, power poles etc can induce low period noise in your data when they sway in the wind. A rule of thumb is to have your sensor at least as far away from these as their height.
10		-* Cattle and stock can and will destroy your site. NEVER EVER install a station where cows can get to it.
	10	+* Cattle and stock can and will destroy your site and our instrumentation. NEVER **EVER** install a station where cows can get to it because they //will// get to it and they **WILL** destroy it.
11	11	* If the area looks like a place that has flooded, or may flood again, absolutely assume that it will. This very much includes dry riverbeds or ponds. Always prefer locally elevated terranes.
12	12	* The harder the soil, the better the signal. Sand and mud are your enemy.
13	13	* Grass can often grow high enough to block your solar panel from sun. If possible, clear an area in front of the panel to minimize this possibility.
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26	26	== Importance of locking sensor feet ==
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28		-The Trillium Compact 120s and 20s sensors have three adjustable feet for leveling. It is **critical** to "lock" these feet in place by spinning the locking disk upwards towards the sensor, as tight as possible. This reduces "wobble" which shows up in both low and high frequency signal. It is also a good idea to keep the length of the three feet as small as possible.
	28	+The Trillium Compact 120s and 20s sensors have three adjustable feet for leveling. It is **critical** to "lock" these feet in place by spinning the locking disk upwards towards the sensor, as tight as possible. This reduces "wobble" which shows up in both low and high frequency signal. It is also a good idea to keep the length of the three feet as small as possible to maximize stability.
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30	30	[[image:TC20_feetlocked_vs_unlocked.png||alt="Figured showing how unlocked feet can amplify fake noise and rattle" data-xwiki-image-style-alignment="center"]]
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68		-DO NOT: bury the sensors with anything other than a PVC housing or direct burial. Other methods may damage the equipment more than protect it.
	68	+DO NOT: bury the sensors with anything other than a PVC housing or direct burial. Other methods (especially using a plastic bag!!) may damage the equipment more than protect it.
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71	71	= Step-by-step field installation guide (with images) =
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128	128	= Experimental Sand Burial: =
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130		-Direct burials are used for Trillium Compact Postholes as they are specifically designed to be corrosion resistant. Other sensors such as the Trillum Compact 120, Trillum Compact 20, and 3D Lites are not built with this degree of corrosion resistance. Currently, the best prevention for moisture trapping and corrosion is burying them with a PVC covering. However, in particularly wet environments, some moisture can still collect within these coverings. One experimental method that is being trialled in hopes of providing better drainage is the sand burial. Steps 1, 2, and 3 remain the same, though once the sensor is set with the correct levelling and orientation, the subsequent infill steps differ. Once the open PVC tube is placed around the sensor, infill the hole around the tubing, holding it in place (image A). Once the hole is back-filled level with the tubing, securing it in place, begin filling the interior of the PVC tube with sand. Hold the sensor in place and ensure the sand is packed tightly around it (image B). Once the sand fills the PVC tube, gently remove the PVC tube while holding the sensor in place (pliers may be required to grip the tube). The last deviation for a sand burial from the standard burial is continuing to place some sand above the sensor, and dirt (or other local substrate around that sand pocket) until level with the surface (image C).
	130	+Direct burials are used for Trillium Compact Postholes as they are specifically designed to be corrosion resistant. Other sensors such as the Trillium Compact 120, Trillium Compact 20, and 3D Lites are not built with this degree of corrosion resistance. Currently, the best prevention for moisture trapping and corrosion is burying them with a PVC covering. However, in particularly wet environments, some moisture can still collect within these coverings. One experimental method that is being trialled in hopes of providing better drainage is the sand burial. Steps 1, 2, and 3 remain the same, though once the sensor is set with the correct leveling and orientation, the subsequent infill steps differ. Once the open PVC tube is placed around the sensor, infill the hole around the tubing, holding it in place (image A). Once the hole is back-filled level with the tubing, securing it in place, begin filling the interior of the PVC tube with sand. Hold the sensor in place and ensure the sand is packed tightly around it (image B). Once the sand fills the PVC tube, gently remove the PVC tube while holding the sensor in place (pliers may be required to grip the tube). The last deviation for a sand burial from the standard burial is continuing to place some sand above the sensor, and dirt (or other local substrate around that sand pocket) until level with the surface (image C).
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