Connecting the DJI Zenmuse X4S Hardwired Camera to a Loki

When using a Loki and M200 setup, flying with a wired camera is an important detail to geotagging survey photos in ASPSuite. But in order to get successful results, the wires connecting the camera and the Loki need to be connected in a specific manner or else external camera events may not be recorded. The…

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Verifying Number of External Events Recorded by Loki.

When using Loki with the Inspire 2 Personality cable, DSLR cable, or direct hardwire camera cable, the number of external events recorded can be confirmed by opening the sbf.blocks.txt file in the PPK folder in the ASPSuite project folder (root folder). There should be a block (highlighted in the image above) that begins with “#…

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ASPSuite – Checking for gaps in Loki and base station observation files

If the Loki or the base station recording is interrupted, there will be gaps in the raw data that will affect ASPSuite processing. This can be verified in ASPSuite.  After completing steps 1-3, click on the diagnostics button in the top right of the ASPSuite window: In the window that pops up, click on “File”…

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Checking Loki Battery Voltage

The following steps describe the process for checking your Loki battery voltage. Connect Loki to your computer using the supplied USB-C cable Open ASPSuite Click the gear icon Select “Loki Update” Select the COM port from the drop down menu and click connect.  (To auto-detect Loki on the COM Port, disconnect and re-connect the Loki USB cable to your computer.) When you…

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Loki: Troubleshooting GNSS LED not turning green

Problem: Loki’s GNSS LED isn’t turning green. (The GNSS LED is the one on left above the USB C port) Probable Solution: A green GNSS LED on Loki indicates that it has good reception.  A red GNSS LED can be caused by a number of things.  The following are suggestions if you are having trouble…

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Is Loki compatible with other Structure from Motion software aside from PhotoScan and Pix4D?

The answer to this question will depend on the Structure from Motion software being used.  The two primary components are:   The ability to use high-accuracy geotags.  Loki provides highly accurate geotagged images with accuracy values written to the XMP metadata.  We also produce a simple .csv text file for applications unable to read that…

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Loki: Faint LEDs

The Loki contains circuits that are always powered. The faint glow from the LEDs are a result of this, but has only a minor impact on battery discharge rate.  Loki, if not being used, will discharge in approximately 3 weeks and will shut down until reconnected to USB power. We recommend fully charging Loki no…

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Time of SBF File Recorded by Loki

SBF stands for Septentrio Binary Format and the SBF file contains the GPS position as recorded by Loki.   Loki receives its time from GPS satellites and therefore, the time associated with the files will be in GPS time.  The name of the SBF will be a time stamp of when the file was first created,…

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