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Last modified by robert on 2026/08/12 13:08
From version 117.1
edited by robert
on 2026/08/12 12:50
Change comment: There is no comment for this version
To version 116.1
edited by robert
on 2026/06/29 16:42
Change comment: There is no comment for this version

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106 106  
107 107  [[HERE>>http://auspass.edu.au/field/NODES_blank_fieldlog.pdf]] is an example logsheet that works well for nodes, feel free to print and use!
108 108  
109 -== 2. Burial ==
110 -
111 -== 3. Node Placement ==
109 +== 2. Node Placement ==
112 112  )))
113 113  
114 114  **Site Analysis**:
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117 117  * Take photographs from various angles to document the site setup thoroughly. Have a colleague stand next to it pointing at it.
118 118  * Include a detailed site description in your notes.
119 119  
120 -== 4. GPS Considerations ==
118 +== 3. GPS Considerations ==
121 121  
122 122  (% class="wikigeneratedid" %)
123 123  The GPS antenna is at the top and center of the unit, and will (usually) only receive signal with a clear sky view directly above. The signal is able to penetrate plastic and terracotta planters and a thin (2 cm?) layer of soil, but may struggle if the soil layer is too thick. **These nodes will not start recording without attaining a GPS lock** and repeated attempts will excessively drain the battery.
124 124  
125 -== 5. Visibility and Location Marking ==
123 +== 4. Visibility and Location Marking ==
126 126  
127 127  **Flag Placement**: Position a flag, preferably in a bright color (avoid green or yellow), near the instrument to aid in its future location.
128 128  
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131 131  * Use a GPS device to mark the instrument's exact location. Most modern cell phones can get to about a 3m error with their internal GPS also; you can probably also get away with investing a few dollars in a good app that shows error and lets you log markers.
132 132  * Also write the GPS down on paper (ie your [[LOG SHEET>>http://auspass.edu.au/field/NODES_blank_fieldlog.pdf]]).
133 133  
134 -== (% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)6. Charge Time, Pre-Deployment & Post-Deployment(%%) ==
132 +== (% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)5. Charge Time, Pre-Deployment & Post-Deployment(%%) ==
135 135  
136 136  * **Charging Duration**: Both types of nodes take approximately 6-8 hours to fully charge from a flat state.
137 137  * **Pre-Deployment Charging**:
138 138  ** Although the nodes hold their charge well, it's beneficial to give them a "top up" charge before deployment.
137 +
139 139  * **Operational Duration**:
140 140  ** When recording at 250 Hz, with GPS on and Bluetooth disabled, the instruments are expected to last about 30 days per charge cycle. If they are set to run only overnight, this can be extended to 60 days.
141 141  
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150 150  ** Charge levels for transport will be advised by the freighter. The required SoC will depend on volume and transport method (air, land, sea).
151 151  
152 152  (((
153 -== 7. Data Sharing and Metadata Creation ==
152 +== 6. Data Sharing and Metadata Creation ==
154 154  )))
155 155  
156 156  **GPS Data**:
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165 165  
166 166  * Create and organize metadata according to the [[ANU metadata standard txt file>>attach:example_metadata.txt]]. This is going to be particularly important if you are reusing nodes at different sites... not documenting the serial numbers (of the **top half** of the node) and the times they were deployed can lead to station mix-ups.
167 167  
168 -== 8. Additional Best Practices ==
167 +== 7. Additional Best Practices ==
169 169  
170 170  * **Training and Familiarisation**: Make sure all team members are adequately trained in using the GPS devices, compass use, and other equipment to ensure consistent and accurate data collection.
171 171  
XWiki.XWikiComments[0]
Author
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1 -Mark Goldman
Comment
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1 -I can verify that the default orientation for the SmartSolo 3C nodes is positive values for case motion to the South, West, and downwards. We have co-located nodes with permanent stations and noticed this correlation when comparing waveforms.
Date
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1 -2026-07-09 10:45:51.967