123 articles AirGon Tools, Tips and Workflows

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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ASPSuite: Processing multiple flights in an SBF

If the drone pilot leaves the Loki unit on while swapping batteries on the drone when flying larger sites then there will only be a single SBF covering the multiple flights. Each take off and landing of the aircraft is considered a flight. This is ok to do, and probably makes collection a easier, however,…

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ASPSuite: GNSS Quality Levels Explained

In step 3 of the processing wizard of ASPSuite the GNSS information is processed in an attempt to generate a good quality rover position file for use in downstream processing. While processing the GNSS solution a command window displays the quality level (Q level) for each epoch of the solution. Review this information for the…

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ASPSuite: Processing With GLONASS

ASPSuite has the ability to include GLONASS satellites in the final solution (starting with v2018.1.23.0).  By default, ASPSuite will only use GPS satellites and will exclude GLONASS.  To incorporate GLONASS in your final solution: 1.  Open the Options dialog in ASPSuite and select the radio button next to RTKLib 2.4.3.     2.  On the Ephemeris tab,…

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ASPSuite: Geoid Conversion Error

Problem: User receives a notification while processing data in ASPSuite stating, “ToGeoid.convert() exception:System.NullReferenceException: Object Reference not set to an instance of an object. at ASPSuite_MVVM.Models.ToGeoidModel.convert()”. Probable Resolution #1: If the data is outside of the selected geoid coverage area this error may occur. For example, selecting Geoid 12B in the process options when trying to…

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Unexpected error in ILPBrkLineEnforcer:GetLayerName(). (17486)

Problem: While attempting to execute a conflate point cloud task the user receives an “Executing task(s) failed. (8690) Unexpected error in ILPBrkLineEnforcer:GetLayerName(). (17486)” COM Exception. Probable Resolution: The root cause of this error tends to be that one of the layers listed in the breakline enforcement is not valid. Either the file no longer exists…

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Base Station Settings in ASPSuite

When processing in ASPSuite, it is important to enter the correct base location and antenna information to achieve accurate results.  The information entered in this dialog will be applied to the the image corrections and can introduce error if entered incorrectly.  To properly use this dialog, it is important to understand a few things first.…

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LP360 Features Utility Tool

As many of you who are involved in LIDAR breakline collection know, we added some very nice feature edit tools to the Standard level of LP360 (Windows standalone version).  One of these tools, “Create Features from Selected Features” is a very handy utility tool.  Its basic function is to collect features you have selected with…

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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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Loki M200 Offsets: Gen 1 vs Gen 2

The primary difference in the two mounts is the use of screws/washers to attach the mount to the M200, and the Loki to the mount. The nominal lever arms for the original mounts were: x: 4 cm, y: 0 cm, z: 35.5 cm (0.04m, 0.0m, 0.355m, as entered in the ASP dialog in meters).  However,…

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