General Category => Connected meters (SQM-LE/LU/LR/DL) => Topic started by: admin on August 31, 2016, 03:33:25 pm

Title: GPS integration
Post by: admin on August 31, 2016, 03:33:25 pm
Version of the Unihedron Device Manager (UDM) now includes integration with an external GPS receiver connected to the computer. The following image shows the GPS interface page on the Log Continuous page:


This should be useful for large land surveys where an SQM (-LE/LU/DL/R/V) and separate GPS are connected to a laptop computer while driving around collecting data for a dark sky map.

Enabling the GPS from the Log Continuous page forces "MOVING" platform logged recordings that append five fields (latitude, longitude, elevation, speed, number of satellites in view) to each record.

This feature has been tested with the GlobalSat BU-353 (http://usglobalsat.com/p-688-bu-353-s4.aspxx#images/product/large/688.jpg) USB connected GPS which can be purchased from Amazon (https://www.amazon.com/GlobalSat-BU-353-Waterproof-Receiver-Value/dp/B006P18EU6/ref=sr_1_3?ie=UTF8&qid=1472687069&sr=8-3&keywords=GlobalSat+BU-353). Note: Many other GPS receivers that send standard NMEA messages at 4800 baud should also work.

This new version of UDM is available here:

The PDF manuals include a small description:

UDM Version has a .dat to .kml tool (Tools->dat to kml). The kml file can be opened in GoogleEarth (https://www.google.com/earth/). GoogleEarth cannot read hidden directories, so you may have to move the newly created .kml file to an easier-to-find location like the Desktop.
Title: Re: GPS integration
Post by: admin on August 03, 2017, 07:04:51 pm
To get the Comm Port for Windows 10 and the GlobalSat BU-353 GPS:

Start up UDM, then:

To get the Comm Port for a Mac and the GlobalSat BU-353 GPS: