NaViN home made GPS navigation alpha demonstration

NaviN is a personal project of mine. The goal is achieving usable navigation using a low-cost bluetooth GPS receiver (the one i bought costs 70 euros) in combination with readily available map sources through JAVA. (yes, it’s java because i eventually plan to make it J2ME so it will run on phones, and i’m not going to listen to hours of java bashing). The current version reads and parses NMEA data received through a virtual serial port, calculates the ground speed in kilometres per hour, and position in degrees latitude and longitude, logs this to a snapshot KML file, which i dynamically load into Google Earth to display my current position. It also logs my position and velocity into a longer KML file which displays my route, and how fast i were driving. I may, or may not decide to make this project open source, even though i’m currently reinventing the wheel, concerning NMEA parsing. Also, my code is currently spaghetti, and no serious developer would be happy to get his hands on it. It’s still a fun gadget though :) Addendum : April 2nd 2008 I aplogise to Globtek inc. for using the name Navia, which is a registered trade mark of theirs. Henceforth, the application will be know as NaViN.

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Reading Seatalk GPS Data Using .NET Serial Port

Just a quick nothing-video of reading data from the Raymarine Seatalk system on board my boat “Passion” using a Seatalk-NMEA interface and a DB9-to-USB connector.

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Senior Design Project: GPS System

It may not look like it’s doing much, but believe me, it is! Our project is designed to take in a GPS satellite signal, process it, store it, and output a record of where it has been. Intially it was going to broadcast it’s position through a radio transmitter (APRS), but that functionality was scrapped during the design process. This video shows much of the unit’s functionality, with the exception of showing the datalog itself. The video starts by showing you the four options in the main menu, and then goes through them one by one: 1) Current GPS Data 2) SatLock (Satellite Lock) Status 3) AX.25 Packets 4) Output Datalog The “Current GPS Data” menu displays current latitude, longitude, altitude, and UTC time (subtract 5 hours for CST). Because we were only able to get a 2D fix for the video, and altitude requires a 3D fix, altitude is not displayed. To check this out, go to a site like MapQuest and type in the coordinates you see in the video – see what comes up :) (NOTE: since the longitude is “W”, be sure to type it in as a negative number!) The “SatLock Status” menu displays the status of the unit’s satellite fix (none, 2D, or 3D), the number of satellites tracked, the horizontal dilution of position (HDOP), and height of geoid above WGS84 ellipsoid (which is another characteristic of position and fix). The “AX.25 Packets” menu shows you that we are converting, in real-time, the GPS data (NMEA 0813 standard) into the standard specified by ham radio (AX.25 with APRS …

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Desertphile’s NMEA Sage ActiveX Control Suite

The NMEA Sage ActiveX Control Suite is a collection of ActiveX user controls intended to be used by Microsoft Windows computer programmers to add visual display capabilities to a boat’s NMEA 0183 data stream. The NMEA data stream may include just one electronic navigation device or boat attitude sensor, or several dozen, all of which talk on the same buss. The controls will work with Microsoft Visual BASIC, Microsoft Visual C++, Microsoft Word, Microsoft Excel, Microsoft Access, and even web browsers such as Microsoft Internet Explorer and Mozilla FireFox. The NMEA Sage Control Suite download page: holysmoke.org The NMEA Sage Control Suite YouTube channel: www.youtube.com .

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Desertphile’s NMEA Sage ActiveX Control Suite

The NMEA Sage ActiveX Control Suite is a collection of ActiveX user controls intended to be used by Microsoft Windows computer programmers to add visual display capabilities to a boat’s NMEA 0183 data stream. The NMEA data stream may include just one electronic navigation device or boat attitude sensor, or several dozen, all of which talk on the same buss. The controls will work with Microsoft Visual BASIC, Microsoft Visual C++, Microsoft Word, Microsoft Excel, Microsoft Access, and even web browsers such as Microsoft Internet Explorer and Mozilla FireFox. The NMEA Control Suite download page: holysmoke.org

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