NMEA – PassageMaker Magazine Trawler Tips

PassageMaker Magazine Trawler Tips – NMEA Find out how a NMEA works with Trawler Tips from PassageMaker Magazine. www.passagemaker.com http

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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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Furuno LS6100 Fishfinder, Dual Frequency 50/200 kHz, 6″ Color LCD Display

Furuno LS6100 Fishfinder, 6″ LCD Display, Dual Frequency 50/200 KHZ, 300 Watts, DC Voltage Buy From PSICOMPANY.COM. Call 1-800-826-2907…… Furuno LS6100 Fishfinder Technical Specifications and review: www.psicompany.com Furuno’s LS6100 fishfinder is compact, waterproof and best of all powerful. It packs 300 Watts (2400 pp) of output power for unparalleled fish finding performance. The LS6100 offers dual frequency capabilities – both 50 and 200kHz – for a two-way view of the world below your boat. This unit is compact enough to fit practically anywhere. Yet it features a 6″ silver brite LCD display that offers a remarkably detailed picture of fish and bottom structure. In addition to it’s fish finding capability, the LS6100 has the unique ability to be a handy navigational organizer when connected to appropriate sensors. It can display a variety of information including: water temperature, wind direction/speed, Lat/Lon, XTE and distance run in a graphical or text format. With the BBGPS or BBWGPS receiver connected, the “Mini-Navigator” feature is capable of storing up to 12 waypoints with programmable names. Any waypoint can be selected as a destination. Standard Features Waterproof, 6 Inch, Silver Brite Monochrome LCD Display Targets presented in up to 4 gray tones Picture resolution of 240(H) x 320(V) pixels 300 Watt RMS (2400 PP) output power Seven depth scales, from 0-10 to 0-640 feet Depth offset to 1500 feet, maximum depth scale of 3000 feet Automatic or Manual …

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Furuno GP330B GPS WAAS Receiver and NMEA2000 Output

Furuno GP330B GPS Receiver with WAAS, 14 Channels, NMEA2000 output. Available from PSICOMPANY.COM. Call 1-800-826-2907…. Links for additional Furuno GP330B GPS Product Review and technical Specifications: www.psicompany.com The Furuno GP-330B is a high performance GPS Receiver designed for any type of vessel. This compact and cost-effective receiver offers extremely accurate position fixes, within 3 meters with the WAAS mode activated. The GP330B is capable of data output in NMEA2000 format, making it an ideal GPS sensor for use with NavNet 3D systems. The sensor comes with all of the hardware required for deck- or mast-mounting solutions. A 6-meter cable with NMEA2000 connector is supplied as standard. Standard Features: High Accuracy, 14 Parallel Channel Receiver with Twelve Dedicated GPS Channels and Two Dedicated WAAS Channels NMEA2000 Certified GPS Antenna Sensor Fast Start Up (1 minute Cold Start Time-to-First-Fix) Position updated every second Unique “Pin-Enabled” Termination Resistor allows simple NMEA2000 Backbone or Drop Wiring configurations Space-saving installation Ideal position-fixing sensor for NavNet®3D series Direct connection to any Furuno DRS Power Requirements:12VDC, 175mA (NMEA2000 LEN=3) Narrated By: Richard Hart – PSICOMPANY.COM www.psicompany.com

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Furuno GP32 GPS with 12 Channel GPS WAAS Receiver, 4.5″ Bright LCD Display

Furuno GP32 GPS with 12 Channel GPS Receiver with WAAS, 4.5″ Display, Available at PSICOMPANY.COM. Call 1-800-826-2907…. Furuno GP32 GPS additional information and technical specifications review: www.psicompany.com The Furuno GP32 won the PSICOMPANY.COM Product of the year award in 2008. Furuno GP32 GPS has a waterproof display and is built to stand up to tough marine conditions. This durable casing houses an impressive memory, capable of storing up to 1000 points of ships track, 999 points for marks and waypoints, and 50 routes of up to 30 waypoints each. Vital navigation data is presented on a 4.5-inch diagonal Silver Bright LCD screen with adjustable brilliance. Innovative graphic displays include Nav, Highway, Steering, Track Plotting, and two operator programmable modes, all extremely easy to use. The Furuno GP32, like all Furuno nav receivers, feature Furunos NMEA 0183 programmable interface system for feeding highly accurate nav data to your Furuno radar, chart plotter, autopilot or sounder. It even includes a dedicated RS-232 port for connection to a PC. And of course, it integrates perfectly with Furuno’s NavNet line of Radar/Chart Plotters. Standard Features 12 Channel, Parallel Tracking GPS Receiver with WAAS technology, DGPS Ready Up to 900 Knot Tracking Velocity 20 Second Warm Start Acquisition 1-3M Accuracy (95% of the time with WAAS on and SA off) 4.5 Inch Diagonal Monochrome High Contrast Silver Bright LCD Screen Waypoint and Route Data Transfer Via PC …

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GPS Test 1 – Reading NMEA Data using an Arduino

This is an SC-200 GPS Mouse, advertised as a Speed Camera Advisor for your car. Currently available from Maplins (UK) for £14.99. I have found out where on the PCB the serial data could be read from the GPS module. Using pins 0 and 1 (Serial RX/TX) on the Arduino and reading data in at 38400 baud you can see the NMEA data coming directly off the GPS module. This GPS unit is going to be used in a high altitude balloon attempt to send an balloon with a digital camera to the edge of space. The GPS data will be read by an Arduino and transmitted down a low power RF link to enable tracking and recovery of the payload. Next stage is to solder some wires to it, then send the serial data over an 433MHz RF link.

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GPSMAP 76 Handheld Navigators gps

Detailed mapping in a completely portable handheld unit! These handheld marvels take the best features from the GPS 76, including its enhanced, high-resolution screen for improved legibility, and gives them full mapping capability. Several navigation pages clearly show your position on a moving map along with important information such as position, speed, heading, distance and more. The units are preloaded with a database of worldwide cities, navaids, tide data for the US, celestial navigation data and a hunting/fishing calendar. They also boast an internal memory capacity of 8MB for uploading mapping data from optional MapSource CD-ROMs, including BlueChart® marine nautical charts and Recreational Lakes with Fishing Hot Spots. With optional MapSource® CDs, you can get highly-detailed maps of highways, city streets, restaurants and hotels or buoys, navaids, wrecks and suggested fishing spots for selected lakes. The built-in quad helix antenna offers superior reception, precise GPS positioning using WAAS technology and accepts an external antenna. You can store up to 1000 waypoints with 50 reversible routes and use the TracBack mode to retrace your path. Display Type: Monochrome Screen Size: 1.6″W x 2.2″H Screen Resolution: 180 x 240 Display Mode: Satellite status, map, highway, compass, active routes Cartography: BlueChart, Topo and more Antenna: Internal quad-helix with MCX external antenna connection Battery Type: Two AA batteries (sold separately) Battery Life: 16 …

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Furuno 1715 RADAR, 7″ Display, 24NM, 18″ Radome

Furuno 1715 RADAR, 7″ LCD Display, 18″ Radome Antenna, 1/8 – 24 nautical miles range, 2.2 KW transmitter, NAV DATA display, DC Voltage. Available from PSICOMPANY.COM. Call 1-800-826-2907… Get More Information on Furuno 1715 RADAR: www.psicompany.com The Furuno 1715 RADAR is a high contrast LCD radar designed for pleasure craft and small fishing boats. Radar echoes are presented in four shades of gray on the 7″ Silver Bright LCD. The Radar offers detailed pictures of coastline and targets at short ranges thanks to narrower pulselengths and dual IF bandwidths. The antenna rotation speed automatically changes depending on the range selection for optimum target detection. The compact, waterproof display allows table top or panel mounting in the cockpit or on the open fly bridge. The radar has a power saving Watchman mode. In this mode, the antenna is stopped and the transmission is off, while the screen displays nav data only. The radar wakes up at a specified time interval (5, 10 or 20 min) and operates for a minute. If a target enters the Guard Zone, an audible alarm sounds and the radar goes into its normal operating mode, cancelling the Watchman mode. The alarm may also be set to work for a target leaving the Zone. Other standard features include: EBL (Electronic Bearing Line), VRM (Variable Range Marker), TLL output (Target L/L), Cursor L/L readout, Echo Trail, Guard Zone Alarm, Anti Clutter Rain, Automatic control of tuning and sensitivity. The A/C RAIN control …

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GPS RECEIVER ON DEVELOPMENT BOARD

This is a GPS receiver project I did as part of my college course in embedded electronics engineering technology. I am, admittedly, a bit weak in programming, and so the scope of this project was kept very basic. I used a Polstar PMB-248 GPS receiver from Parallax. The module can output NMEA at either TTL or RS232 voltage levels, which makes for very convenient interfacing. The GPS was connected to +5V and Ground, and the TTL TX output was connected to RX pin 26 of the PIC18F4550 on the lab board used. The actual circuit I will breadboard later is not much different, since it is based on the lab board. It will consist of the power supply section, built around an LM7805 with a protection diode, and input and output caps, and a 2×16 LCD, and of course, the GPS. All that is added is a voltage divider for the LCD to control the brightness, a crystal and some caps for the PIC’s oscillator, and caps for the various inputs/outputs. This was a very fun project to build, and I think it wouldn’t take much more at this point to interface it to a keypad, so more functionality could be gotten out of it. It’s really quite amazing what information is embedded in an NMEA string. I found this site handy. www.gpsinformation.org One caution about that site though: The format they have only has 3 characters for the part-minutes, and the Polstar output 4 for my setup. This caused me to have to re-tool my arrays a few times before I got the bugs all ironed out.

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