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GeoCue’s repository of TrueView tools, tips and workflows for the TrueView line of drone mapping products. Includes former AirGon products such as Loki and ASPSuite.

Time of SBF File Recorded by Loki

Posted on March 23, 2018March 27, 2018 by AirGon Support

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,…

Loki M200 Offsets: Gen 1 vs Gen 2

Posted on March 23, 2018December 27, 2018 by AirGon Support

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,…

Loki – Downloading Images from Inspire 2 with USB Cable.

Posted on March 22, 2018June 8, 2018 by AirGon Support

When downloading images from the Inspire 2, it is best to download the images with the USB cable to reduce wear and tear on the SD card slot. To do this: 1. The camera must be connected to the aircraft. 2. The aircraft must be powered on. 3. Loki Personality cable must be connected to…

Loki – Septentrio Wide-Band Interference Mitigation Option

Posted on March 21, 2018June 30, 2020 by AirGon Support

There is an option in the ASP Suite Loki update dialog to turn on/off wide-band interference mitigation of the Septentrio. Below are screenshots showing how to change these settings. Please follow the instructions in the pop-up window before clicking “Yes” on the dialog:

Loki™ – Frequently Asked Questions

Posted on March 13, 2018June 25, 2018 by AirGon Support

General: What is Loki? Loki is a Global Navigation Satellite System (GNSS) Post-Process Kinematic (PPK) direct geopositioning hardware & software solution for low cost DJI drones as well as custom drones using digital single lens reflex (DSLR) cameras such as Nikon, Canon, Sony, etc. It is aimed at the high accuracy drone mapping community. …

ASPSuite: Error: No external camera events found!

Posted on March 6, 2018April 14, 2020 by AirGon Support

Problem: During step 4 of the workflow there is an ASPSuite notification stating, “Error: No external camera events found!”. Probable Resolution #1: Verify that you’ve used the correct Loki MEP workflow. https://support.geocue.com/forums/topic/which-loki-mep-interface-workflow-should-i-use/ Probable Resolution #2: When using the DJI USB Cable workflow it is important to remember that you need to download the applicable DAT…

Base Antenna Calibration

Posted on March 6, 2018May 6, 2019 by AirGon Support

In ASPSuite, the Enable Base Antenna Calibration option uses an *.atx file to set custom offsets for the brand and model of the base station used. At https://www.ngs.noaa.gov/ANTCAL/, a user may navigate to “Browse Antenna Information by Manufacturer and Model” and select the brand from the dropdown menu. Next, find the correct model and right-click…

Loki Battery Life Information

Posted on March 5, 2018April 10, 2018 by AirGon Support

Below are approximate Loki battery life times at different tested temperatures: 20 C / 68 F: 2h 30m until the battery LED transitions to RED; 30m or less remaining. 4 C / 40 F: 1h 55m to RED; 22m or less remaining. -16 C / 3 F: 1h to RED; 12m or less remaining. To…

Determine Shutter Interval

Posted on February 27, 2018February 27, 2018 by GeoCue Support

Airgon generally recommends using a shutter interval (amount of time the shutter is open) of 1/800th second for typical drone mapping flight plans. However, as flight speed increases and/or GSD decreases, a faster shutter speed (shorter shutter interval) may be required to prevent motion blur. The proper shutter interval for a situation can…

AirGon Quick Tip

Posted on February 24, 2018February 24, 2018 by Lewis Graham

If you are not accustomed to survey techniques, this is a quick tip for speeding up visits to repetitive sites. The AirGon Loki Direct Geopositioning system is a huge time saver when it comes to drone survey work. Loki reduces or eliminates the need for ground control points (but please, always have a reliable way…