Changes for page SmartSolo Node Seismometers

Last modified by robert on 2025/06/16 07:51

From 33.1 to 34.1 From 43.1 to 43.2

From version 34.1

edited by Sima Mousavi
on 2024/01/24 17:37

Change comment: There is no comment for this version

To version 43.1

edited by robert
on 2024/05/14 13:49

Change comment: There is no comment for this version

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--= **Node Setup** =
++= **Node Types** =
--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
++ANSIR carry two types of three-channel nodes
++* **SmartSolo IGU 16HR 3C (5 Hz Short Period)**
++* **SmartSolo BD3C-5 (5 Second Broad-Band)**
--~*~**this needs to be reformatted
++Both have a battery capacity of around 30 days. The programming, operation, and downloading procedures for both types of SmartSolo nodes are also similar.
++
++----
++
++= **Programming Defaults** =
++
++ANU recommends that the SP 16HR-3C be set to a gain of 24db and no higher than 250 Hz sampling rate. The BD3C-5 should be set to a gain of 6db (maximum allowed). These are what we use for our internal experiments. **Note that this gain must be removed when exporting to miniseed, **otherwise amplitudes will be a factor of either 15.84893192 (24db) or 2 (6db) too high. We also recommend disabling bluetooth to increase battery life, and to enable "FIFO" mode just in case old data is still present on the units and you run out of space (although it is unlikely you will go over 64 Gb for one deploy). If using the "timed turn-on" option, please be aware that **the units will not begin recording until they have acquired a GPS lock**, which may nor occur if they are buried too deeply or have very poor sky view.
++
++
  == **Pre-Fieldwork Preparation** ==
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@@ -17,7 +17,7 @@
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  **INVEST IN FAST EXTERNAL HARD DRIVES – DO NOT LET THIS BE THE LIMITATION OF DATA HARVESTING**
--**Plan on 1 Tb to store ALL data for 50 nodes @ 250 Hz and a single ~~30 day occupation**
++**Assume ~~1 Tb of storage for both raw and exported data per 50 nodes @ 250 Hz & 30 days. One node recording at 250 Hz for 30 days tends to create about 3 Gb of miniseed data.**
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@@ -38,11 +38,11 @@
  === **2- Node Placement** ===
  )))
--**Protection**: Place nodes inside thick, landfill biodegradable plastic bags for environmental protection.
++**Protection**: Place nodes inside (landfill) biodegradable bags to minimize cleaning and cross-site soil contamination.
  **Site Analysis**:
--* Conduct compass measurements away from the node and metallic structures, adjusting for inclination angle.
++* **Take compass measurements away from the sensor as it will affect your measurement.**
  * Take multiple photographs from various angles to document the site setup thoroughly.
  * 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)
@@ -49,7 +49,7 @@
  === **3- GPS Considerations** ===
  (% class="wikigeneratedid" %)
--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.
++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. These nodes will not start recording without attaining a GPS lock and repeated attempts will excessively drain the battery.
  === **4- Visibility and Location Marking** ===
@@ -64,28 +64,27 @@
  * **Charging Duration**: Both types of nodes take approximately 6-8 hours to fully charge from a flat state.
  * **Pre-Deployment Charging**:
--** Although the nodes hold their charge well, it's beneficial to give them a "top up" charge right before deployment.
++** Although the nodes hold their charge well, it's beneficial to give them a "top up" charge before deployment.
  * **Operational Duration**:
--** When recording at 250 Hz, with GPS on and Bluetooth disabled, the instruments are expected to last about 30 days per charge cycle.
++** 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.
  * **Post-Retrieval Charging**:
--** Do not store the instruments with completely drained batteries.
--** After retrieval, charge the instruments to about 50-60% (indicated as "orange" level) for optimal battery health.
--
++** After retrieval, charge the instruments to about 50-60% (indicated as "orange" level) unless they are to be immediately re-deployed.
  * **Storage and Shipping Charge Level**:
  ** Maintain a battery charge level of around 50-60% for both storage and shipping purposes.
  ** This charge level is recommended to prevent battery damage and is safe for transportation.
++** Nodes should not be stored fully charged, and it **they should especially not be stored with 0 charge.**
  ===   ===
--* (((
++(((
  === **6- Data Sharing and Metadata Creation** ===
  )))
  **GPS Data**:
--* Download the GPS file to a laptop.
++* Download the GPS file to a laptop. (???)
  * Share this file on a drive accessible to all team members for uniform understanding of node locations.
  **Photo Sharing**:
@@ -95,7 +95,7 @@
  **Metadata File**:
--* Create a metadata XML file for each node, which is essential for data organisation and future reference.
++* Create and organize metadata via the ANU metadata standard (~*~*add example)
  === **7- Additional Best Practices** ===
@@ -149,8 +149,12 @@
  * Before physically removing the instrument, double-check that all necessary data has been downloaded and all photos and notes have been taken.
  * Carefully dismantle and pack the equipment, ensuring that all components are accounted for and securely stored for transport.
++
++
  )))
++[[image:1706153556166-231.jpeg||data-xwiki-image-style-alignment="center" height="345" width="460"]]
++
  ----
  === **Charging Procedure for Seismic Nodes** ===
@@ -159,30 +159,45 @@
  **Preparation for Charging**:
  * 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.
++
++
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 . (((
  **Disassembling the Node**:
--* 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.
++* For the IGU-16HR, remove the battery (bottom half) from the sensor. This is done by unscrewing the spikes counter-clockwise.
++
++
  )))
 . (((
  **Setting Nodes in the Charging Box**:
--* 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.
++* Place 1-16 IGU-16HR battery components upside-down into the charger, assuring they are oriented properly.
++
++
  )))
 . (((
  **Monitoring the Charging Process**:
--* 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.
--* 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.
++* Once the nodes are set in the charging box and the charging process begins, lights adjacent to the batteries will illuminate. These lights indicate that charging is underway.
++* 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. For storage, the goal is to charge them to ORANGE.
++
++
  )))
 . (((
  **Updating Charge Status**:
--* 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.
++* 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.
  * This step is crucial for tracking the charging status of multiple units, especially when handling a large number of nodes.
  )))
++[[IGU 16-HRcharger (left) and harvester (right)>>image:1705195933422-337.png||data-xwiki-image-style-alignment="center" height="299" width="530"]]
++
++
++
++
++[[image:1706153354750-415.png||data-xwiki-image-style-alignment="center" height="317" width="562"]]
++
  ----
  === **Downloading and Converting Seismic Data to MiniSeed Format** ===
@@ -225,9 +225,7 @@
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  * **Ensure to export data as "COUNTS", not "mV".**
--
--
--* **Set "Remove Gain" to the same decibel gain as during programming (ANU usually sets this to 18 db, but double-check).**
++* **Set "Remove Gain" to the same decibel gain as during programming** **(by default ANU sets this to 24db (a factor of 15.848932).**
  )))
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@@ -241,7 +241,7 @@
  * Be cautious: if the laptop enters sleep mode, the download will pause.
  )))
 . (((
--**Investment in Storage Hardware**:
++//**Investment in Storage Hardware**~://
  * (% class="box warningmessage" %)
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@@ -260,193 +260,40 @@
  **Finalizing the Download**:
  * After downloading, mark the //"D"// box on your temporary labels to indicate completion.
++
++
  )))
--= SmartSolo IGU 16HR 3C (5 Hz) Short Period Node =
++[[image:1706153266647-145.png||data-xwiki-image-style-alignment="center" height="340" width="603"]]
--blahblah
--== Sub-paragraph ==
++[[Caption>>image:1705195543887-977.png||data-xwiki-image-style-alignment="center" height="534" width="632"]]
--==   ==
--= Smart Solo BD3C-5 (5 second) Broad-Band Node =
--Lorem
++[[Caption>>image:1705195543890-537.png||data-xwiki-image-style-alignment="center" height="397" width="665"]]
--[[image:1705196270090-364.png]]
--== GPS Considerations ==
++[[Caption>>image:1705195543891-334.png||data-xwiki-image-style-alignment="center" height="379" width="650"]]
--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.
--= Keeping the Instruments Clean =
--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.
++[[image:1705195543898-365.png||data-xwiki-image-style-alignment="center" height="467" width="674"]]
++----
--= Charge Time, Instrument Life, and Charge During Storage & Shipping =
++=== **Cleaning** ===
--Both nodes take about 6-8 hours to charge from flat and hold their charge reasonably well, however you may benefit from a "top up" charge immediately prior to deploy. The instruments should last around 30 days per cycle (recording at 250hz) with GPS on cycle on and bluetooth disabled.
++**Procedure for Seismic Nodes:**
--Upon retrieval, the instruments should not be stored flat as this will damage the batteries. It is recommended to charge them back up "to orange" such that they are charged around ~~50-60%. This is also acceptable for shipping.
++* If the nodes are placed in a thick plastic bag at the time of installation, the cleaning procedure should be straightforward. If not you have a lot of work to do before they are returned to us!
--
--= Best Practices and Guide =
--
--== Install ==
--
--Logbook is required (used again for pick up & metadata creation)
--
--- station name
--
--- lat / long
--
--- team members
--
--- date and local time
--
--- SN of sensor
--
--- notes on site
--
--Place nodes in thick (“landfill biodegradable”) plastic bags in the hole
--
--Take compass measurement away from node and fences [make sure to adjust inclination angle]
--
--Take many photos from the site from different angles
--
--Add a precise site description to the notes such as distances and orientations from landmarks
--
--It will be very helpful in locating the instrument if you place a flag next to it, preferably in a color other than green or yellow.
--
--Make a mark (digital) of the instrument's location using a GPS device. Record the location both in your paper notes and on the GPS device.
--
--Download the GPS (Garmin) file to a laptop and share drive to share with other GPS devices
--
--Share photos in a shared location (Google photos, OneDrive, Dropbox, etc), but most useful are those added to a Google Maps/Earth location
--
--Create metadata .xml file
--
--
--== Removing/Demob ==
--
--Download and then use the GPS file to locate the node
--
--Use Google Maps / Google Earth to create a kmz file that can then be imported onto your phone.
--
--
--Upload photos of the site
--
--- station name
--
--- latitude
--
--- longitude
--
--- elevation
--
--* SN of sensor – SN of battery (optional)
--* Site notes and name of location (e.g. Richards garden, Te Mini steam field eastern side)
--
--Upload photos into Google Earth and on a shared drive
--
--Before removing the instrument have your compass, tape, marker, pen, clipboard, logbook and compass ready (in tote bag!).
--
--Write the station name and the instrument’s serial number, along with 'D' and 'C' and ‘R’, each next to a box to indicate 'download' and 'charge'. Stick this label to the top of the instrument. When dealing with dozens or hundreds of these you WILL start to mix them up after a while! Having an easy visual cue keep them sorted will save you a great deal of confusion later on.
--
--Take a photo of the entire setup node with the label on it + compass
--
--Use existing field logbook to note time, SN and station name plus any notes – including any issues with orientation or level or anything else
--
--
--== Charging ==
--
--Clean node prior to charging and harvesting the data
--
--Remove battery (and spike) from the sensor by twisting the spike part of the instrument
--
--Set 16 nodes into the charging box (spikes up)
--
--Red lights on the box next to the batteries will come on and remain a steady red light while charging. This will change to orange, then to green, then to flashing green when fully charged.
--
--This is a good time to check the "C" box on your temporary labels to mark that the unit has been charged
--
--[[IGU 16-HRcharger (left) and harvester (right)>>image:1705195933422-337.png||data-xwiki-image-style-alignment="center"]]
--
--
--
--== Downloading and Converting Data to MiniSeed ==
--
--
--The first thing to do is to register the nodes in the system, so the software can recognize them. To do this, go to the folder where the “SmartSoloApps SoloLite” was installed. Then right-click the deviceconfig.exe program to “run as an administrator” and save the file to the directory of “deviceconfig” (snapshot below). Note that to avoid registering the same node twice, you can simply replace the file each time you do the registration.
--
--[[image:1705195543887-977.png]]
--
--
--Then open the “SoloLite” software, and just go to “File” to make a new project. In this case, you do not need to find the exact 16 nodes that were grouped for script writing. Do not worry about the settings for the seismic recordings for the next window to pop up, as the only way to reset the instruments (e.g., sampling rate, gain etc) is to write script to re-program them.
--
--[[image:1705195543890-537.png||data-xwiki-image-style-alignment="center"]]
--
--
--Once you create the new project, your Data Transfer View panel on the bottom right of the window will show these nodes that have properly connected to the data harvest, including series number, data size etc. It is okay if the “Prospect not matched”, which simply means the project you just created does not match the one you made to program them. Simply select all these nodes, and right click to “force download”, which will initiate the downloading process. Once they are done, you will see new folders created for each slot at your Downloaded Data panel on the top left of the window.
--
--[[image:1705195543891-334.png||data-xwiki-image-style-alignment="center"]]
--
--At this stage, it means that the raw DLL data of the recording has been downloaded successfully to your local machine. To output data in readable format, such as SAC or miniSEED, click the “Tool” menu and select “export seismic data”. The parameters here should be straightforward to set and tailored to personal reference.
--
--(% class="box warningmessage" %)
--(((
--**Please make sure that data is exported as "COUNTS" and NOT "mV"!**
++=   =
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--(% class="box warningmessage" %)
--(((
--**Furthermore you must also set "Remove Gain" to the same decibel gain setting that was set during programming! ANU always set this to 18 db (double check) for all types of nodes.**
--)))
--
--A list of ANU group preferred parameters can be found at the end of this session. One thing to note is that the “Sample Interval” must be set exactly to this used to reset the nodes. Once you are done with the setting, click “prepare” before “run”. If everything works correctly, you should see the reformatting process from the small panel on the bottom left of this popped up window.
--
--Now the data should be ready. Then you can select these data and right click to output the GPS information associated with them.
--
--[[image:1705195543898-365.png||data-xwiki-image-style-alignment="center"]]
--
--When downloading, all the green lights on the nodes will blink. The associated red lights on the rack will flash when it is downloading, and make sure to disconnect the nodes before you unplug anything. Be careful: if the laptop goes to sleep, the download process will pause.
--
--(% class="box infomessage" %)
--(((
--**INVEST IN FAST EXTERNAL HARD DRIVES – DO NOT LET THIS BE THE LIMITATION OF DATA HARVESTING**. USB-C, USB 3.0, and 4+ Tb of space are highly recommended!
--)))
--
--When downloading, ensure that all metadata is saved along with the file.
--
--Start and endtime: the system will automatically find the earliest time of the data and set that as the starting time. However, you can set the time a day earlier with a sharp start of 00:00:00. In this case, all the outputted data segments will be 24 hours long starting from midnight.
--
--//Once downloaded, mark the "D" box on your temporary labels!//
--
--== Converting data ==
--
--Check the data all have been converted to miniseed correctly
--
--– 3 files per station per day
--
--* Files are the same size (NOTE if having memory issues one or more of the components may have 0-1 kb)
--* ~~ 5 Gb / node / month
--
--//Tick ‘R’ box on the node label//
--
--
--== Cleaning ==
--
--If the nodes are placed in a thick plastic bag at the time of installation, the cleaning procedure should be straightforward. If not you have a lot of work to do before they are returned to us!
--
--
--)))
--
--
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@@ -454,10 +454,7 @@
  **Contents**
  (% class="wikitoc" %)
--* [[SmartSolo IGU 16HR 3C (5 Hz) Short Period Node>>path:#HSmartSoloIGU16HR3C285Hz29ShortPeriodNode]]
--** [[Sub-paragraph>>path:#HSub-paragraph]]
--** [[ >>path:#H]]
--* [[Smart Solo BD3C-5 (5 second) Broad-Band Node>>path:#HSmartSoloBD3C-5285second29Broad-BandNode]]
++* [[Smart Solo BD3C-5 (5 second) B>>path:#HSmartSoloBD3C-5285second29Broad-BandNode]]
  ** [[GPS Considerations>>path:#HGPSConsiderations]]
  * [[Keeping the Instruments Clean>>path:#HKeepingtheInstrumentsClean]]
  * [[Charge Time, Instrument Life, and Charge During Storage & Shipping>>path:#HChargeTime2CInstrumentLife2CandChargeDuringStorage26Shipping]]
@@ -498,9 +498,9 @@
  |(% style="width:187px" %)**Frequency Band**|(% style="width:224px" %)5 Hz to 1652Hz
  |(% style="width:187px" %)**Sensitivity**|(% style="width:224px" %)67.7 V/m/s
  |(% style="width:187px" %)**Size (with spike)**|(% style="width:224px" %)103mm(L) × 95mm(W) × 187mm
--|(% style="width:187px" %)**Weight**|(% style="width:224px" %)2.3 kg
++|(% style="width:187px" %)**Weight**|(% style="width:224px" %)2.4 kg
  |(% style="width:187px" %)**Data Storage**|(% style="width:224px" %)64 Gb
--|(% style="width:187px" %)**Battery**|(% style="width:224px" %)Li_etc XXAh
++|(% style="width:187px" %)**Battery**|(% style="width:224px" %)Lithium ion XXAh
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