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Last modified by robert on 2025/06/16 07:51
From version 34.2
edited by Sima Mousavi
on 2024/01/24 17:41
Change comment: There is no comment for this version
To version 19.1
edited by Sima Mousavi
on 2024/01/17 18:26
Change comment: There is no comment for this version

Summary

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... ... @@ -4,11 +4,8 @@
4 4  (((
5 5  = **Node Setup** =
6 6  
7 -Short term (~~30 day) battery powered nodes. The default gain should be 24 db for the 16HR-3C and 6 db for the BD3C-5
7 +Short term (~~30 day) battery powered nodes
8 8  
9 -
10 -~*~**this needs to be reformatted
11 -
12 12  == **Pre-Fieldwork Preparation** ==
13 13  
14 14  (% class="box infomessage" %)
... ... @@ -15,9 +15,7 @@
15 15  (((
16 16  (% class="box warningmessage" %)
17 17  (((
18 -**INVEST IN FAST EXTERNAL HARD DRIVES – DO NOT LET THIS BE THE LIMITATION OF DATA HARVESTING**
19 -
20 -**Plan on 1 Tb to store ALL data for 50 nodes @ 250 Hz and a single ~~30 day occupation**
15 +**~ INVEST IN FAST EXTERNAL HARD DRIVES – DO NOT LET THIS BE THE LIMITATION OF DATA HARVESTING **
21 21  )))
22 22  )))
23 23  
... ... @@ -35,6 +35,7 @@
35 35  * Serial number (SN) of the sensor
36 36  * Detailed notes on the site conditions and setup
37 37  
33 +
38 38  === **2- Node Placement** ===
39 39  )))
40 40  
... ... @@ -46,13 +46,8 @@
46 46  * Take multiple photographs from various angles to document the site setup thoroughly.
47 47  * Include a detailed site description in your notes, specifying distances and orientations from nearby landmarks (e.g. Richards garden, Te Mini steam field eastern side)
48 48  
49 -=== **3- GPS Considerations** ===
45 +=== **3- Visibility and Location Marking** ===
50 50  
51 -(% class="wikigeneratedid" %)
52 -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 layer of soil, but may struggle if the soil layer is too thick. The BD3C will not start recording without first attaining a GPS lock.
53 -
54 -=== **4- Visibility and Location Marking** ===
55 -
56 56  **Flag Placement**: Position a flag, preferably in a bright color (avoid green or yellow), near the instrument to aid in its future location.
57 57  
58 58  **GPS Marking**:
... ... @@ -60,29 +60,8 @@
60 60  * Use a GPS device to mark the instrument's exact location.
61 61  * Record this location in both your paper notes and the GPS device.
62 62  
63 -=== (% style="color:inherit; font-family:inherit; font-size:max(18px, min(20px, 14.4444px + 0.462963vw))" %)**5- Charge Time, Pre-Deployment & Post-Deployment**(%%) ===
54 +=== **4- Data Sharing and Metadata Creation** ===
64 64  
65 -* **Charging Duration**: Both types of nodes take approximately 6-8 hours to fully charge from a flat state.
66 -* **Pre-Deployment Charging**:
67 -** Although the nodes hold their charge well, it's beneficial to give them a "top up" charge right before deployment.
68 -
69 -* **Operational Duration**:
70 -** When recording at 250 Hz, with GPS on and Bluetooth disabled, the instruments are expected to last about 30 days per charge cycle.
71 -
72 -* **Post-Retrieval Charging**:
73 -** Do not store the instruments with completely drained batteries.
74 -** After retrieval, charge the instruments to about 50-60% (indicated as "orange" level) for optimal battery health.
75 -
76 -* **Storage and Shipping Charge Level**:
77 -** Maintain a battery charge level of around 50-60% for both storage and shipping purposes.
78 -** This charge level is recommended to prevent battery damage and is safe for transportation.
79 -
80 -=== ===
81 -
82 -* (((
83 -=== **6- Data Sharing and Metadata Creation** ===
84 -)))
85 -
86 86  **GPS Data**:
87 87  
88 88  * Download the GPS file to a laptop.
... ... @@ -97,170 +97,17 @@
97 97  
98 98  * Create a metadata XML file for each node, which is essential for data organisation and future reference.
99 99  
100 -=== **7- Additional Best Practices** ===
70 +=== **5- Additional Best Practices** ===
101 101  
102 102  * **Environmental Responsibility**: Ensure that the node placement and the materials used are environmentally responsible and adhere to local regulations.
103 103  * **Training and Familiarisation**: Make sure all team members are adequately trained in using the GPS devices, compass, and other equipment to ensure consistent and accurate data collection.
104 104  
105 -* (((
106 -==== **Keeping the Instruments Clean** ====
107 -)))
108 -* (((
109 -Use a (**landfill**, not //compost//) degradable bag when installing to keep the instrument clean. This will save you many hours of time cleaning them in preparation for their return. [[Here is a video>>url:http://auspass.edu.au/field/bd3c_removal.mp4]] demonstrating its effectiveness.
110 -)))
75 += ​​​​​​​ =
111 111  
112 -----
77 += =
113 113  
114 -=== **Seismic Station Demobilization and Documentation** ===
79 += =
115 115  
116 -1. (((
117 -**Preparation for Demobilization**:
118 -
119 -* Before starting the demobilization process, ensure you have a compass, tape, marker, pen, clipboard, logbook, and compass ready in your tote bag.
120 -)))
121 -1. (((
122 -**Locating the instrument**:
123 -
124 -* Use the downloaded GPS file to accurately locate the node for demobilization.
125 -* Import this KMZ file onto your phone for easy reference and location tracking.
126 -* Utilize Google Maps or Google Earth to create a KMZ file of the station’s location.
127 -)))
128 -1. (((
129 -**Labeling Instruments for Demobilization**:
130 -
131 -* Write the station name and the instrument’s serial number on a label.
132 -* Add markers 'D' (for download), 'C' (for charge), and ‘R’ (for removal) next to checkboxes on the label.
133 -* Affix this label to the top of the instrument to avoid confusion during the charging and downloading data.
134 -)))
135 -1. (((
136 -**Photographing the Setup Node**:
137 -
138 -* Take a photo of the entire setup node with the __//label//__ and __//compass visible//__.
139 -* This photo serves as a final record of the instrument’s condition and orientation at the time of removal.
140 -)))
141 -1. (((
142 -**Logging Demobilization Details**:
143 -
144 -* Use the field logbook to note the time of demobilization, serial numbers, and station name.
145 -* Record any observations or issues related to the instrument’s orientation, level, or any other relevant factors.
146 -)))
147 -1. (((
148 -**Final Checks and Equipment Removal**:
149 -
150 -* Before physically removing the instrument, double-check that all necessary data has been downloaded and all photos and notes have been taken.
151 -* Carefully dismantle and pack the equipment, ensuring that all components are accounted for and securely stored for transport.
152 -)))
153 -
154 -----
155 -
156 -=== **Charging Procedure for Seismic Nodes** ===
157 -
158 -1. (((
159 -**Preparation for Charging**:
160 -
161 -* Before charging, ensure each node is clean. This involves removing any dirt or debris to maintain the integrity of the equipment and ensure effective charging.
162 -)))
163 -1. (((
164 -**Disassembling the Node**:
165 -
166 -* Carefully remove the battery and the spike from the sensor. This is typically done by twisting the spike part of the instrument to release these components.
167 -)))
168 -1. (((
169 -**Setting Nodes in the Charging Box**:
170 -
171 -* Place up to 16 nodes into the charging box, arranging them with the spikes pointing upwards. This configuration is essential for proper connection and efficient charging.
172 -)))
173 -1. (((
174 -**Monitoring the Charging Process**:
175 -
176 -* Once the nodes are set in the charging box and the charging process begins, red lights adjacent to the batteries will illuminate. These lights indicate that charging is underway.
177 -* Observe the transition of the lights from steady red to orange, then to green, and finally to flashing green. A flashing green light signifies that the batteries are fully charged.
178 -)))
179 -1. (((
180 -**Updating Charge Status**:
181 -
182 -* During the charging period, take this opportunity to update the status of each unit. Check the //"C"// box on your temporary labels to indicate that the unit has been successfully charged.
183 -* This step is crucial for tracking the charging status of multiple units, especially when handling a large number of nodes.
184 -)))
185 -
186 -----
187 -
188 -=== **Downloading and Converting Seismic Data to MiniSeed Format** ===
189 -
190 -==== **Node Registration and Software Setup** ====
191 -
192 -1. (((
193 -**Registering Nodes in the System**:
194 -
195 -* To begin, register the nodes in the system so the software can recognize them.
196 -* Navigate to the installation folder of “SmartSoloApps SoloLite”.
197 -* Right-click on deviceconfig.exe and choose “run as an administrator”. Save the file to the “deviceconfig” directory (refer to the snapshot below).
198 -* To avoid double registration, replace the file each time you register a new node.
199 -)))
200 -1. (((
201 -**Creating a New Project in SoloLite**:
202 -
203 -* Open the “SoloLite” software.
204 -* Go to “File” and create a new project. Don't worry about finding the exact 16 nodes used in script writing.
205 -* Ignore the settings for seismic recordings in the subsequent window. Resetting instruments (e.g., sampling rate, gain) requires reprogramming via script.
206 -)))
207 -
208 -==== **Data Downloading Process** ====
209 -
210 -1. (((
211 -**Initiating Data Download**:
212 -
213 -* Once a new project is created, the Data Transfer View panel will display connected nodes with details like series number and data size.
214 -* If “Prospect not matched” appears, it simply means the new project doesn’t match the original programming project. This is not a concern.
215 -* Select all nodes and right-click to “force download”. This starts the download process.
216 -* Completed downloads will appear as new folders in the Downloaded Data panel.
217 -)))
218 -1. (((
219 -**Exporting Data in Readable Format**:
220 -
221 -* Go to the “Tool” menu and select “export seismic data”.
222 -* Tailor other parameters to personal preference and ensure "Sample Interval" matches the setting used during node reset.
223 -* Click “prepare” followed by “run” to start reformatting. Monitor this process in the small panel at the bottom left.
224 -* (% class="box warningmessage" %)
225 -(((
226 -* **Ensure to export data as "COUNTS", not "mV".**
227 -
228 -
229 -* **Set "Remove Gain" to the same decibel gain as during programming (ANU usually sets this to 18 db, but double-check).**
230 -)))
231 -)))
232 -
233 -==== **Handling Nodes During Download** ====
234 -
235 -1. (((
236 -**Monitoring Download Indicators**:
237 -
238 -* During download, green lights on nodes will blink, and associated red lights on the rack will flash.
239 -* Disconnect nodes properly before unplugging anything.
240 -* Be cautious: if the laptop enters sleep mode, the download will pause.
241 -)))
242 -1. (((
243 -**Investment in Storage Hardware**:
244 -
245 -* (% class="box warningmessage" %)
246 -(((
247 -* **Use fast external hard drives to avoid limitations in data harvesting.**
248 -
249 -* **Recommended specifications: USB-C, USB 3.0, and 4+ Tb of space.**
250 -)))
251 -)))
252 -1. (((
253 -**Metadata and Time Settings**:
254 -
255 -* Ensure all metadata is saved with the file.
256 -* System auto-determines the earliest data time as the start time. You can set it a day earlier at 00:00:00 for 24-hour data segments starting from midnight.
257 -)))
258 -1. (((
259 -**Finalizing the Download**:
260 -
261 -* After downloading, mark the //"D"// box on your temporary labels to indicate completion.
262 -)))
263 -
264 264  = SmartSolo IGU 16HR 3C (5 Hz) Short Period Node =
265 265  
266 266  blahblah