stands for Global Positioning System, a satellite based navigation system

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0
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1answer
88 views

Shorted antenna DC-blocking capacitor value

I have an antenna that contains a DC short to ground ( a PIFA antenna at 1575 MHz in this case ). However, my device cannot tolerate a DC short to ground, so I need to include a blocking capacitor in ...
-1
votes
1answer
39 views

Get location data for a program using GPS dongle [closed]

I'm working on vehicle tracking system using GPS. What I want to do is connect GPS receiver to my laptop and fetch the location data in to my program. I have seen many commercial GPS receivers and ...
3
votes
2answers
129 views

GPS positioning for quadcopter

I am an engineering undergraduate student. I am currently working on a project to implement a sensing package on a quadcopter for the deployment in the canopy of tropical rain forests. This package ...
-3
votes
1answer
50 views

Xbee GPS Tracking

We're building a tracking system using Xbee and GPS. Wherein the GPS data is transmitted using the Tx Xbee and received with the Rx Xbee. We've supplied a 3.3V to both the Xbee and GPS (SKM53 by ...
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0answers
59 views

Not getting data from Parallax GPS

I am trying to use a Parallax PMB-648 GPS with an Arduino Nano running this code: ...
0
votes
1answer
48 views

Maestro A2200 GPS flash corruption

Does anyone have experience with the Maestro A2200 GPS module? I bought this module primarily on price, it's only 15 euro, but the datasheet indicates that sudden removal of power can result in ...
1
vote
1answer
51 views

GPS USB device with external coax antenna? [closed]

I've been looking around for a bit searching for a USB connected GPS reciever which i can hook up to my laptop. However, the building i'm sitting at is not ideal for recieving GPS signals but i do ...
1
vote
1answer
50 views

12v socket not providing enough current for mobile phone? [closed]

I've just installed a 12v socket to my motorcycle. The socket has a sticker saying "12V - 1A", and the user manual says that "use is possible up to a power input rating of 12W". Taking that into ...
-2
votes
2answers
77 views

Getting the direction that user is facing

I've just started playing with electronics and I'm wondering. As you guys probably know, using the iPhone you can get the direction that the user is facing. My question is, what electronic ...
2
votes
2answers
63 views

Two chip antennas, same ground plane?

I would like to use a 430mhz RF antenna and a 1575mhz GPS antenna. Both antennas are chip and drive current in the ground plane to radiate. The RF antenna is only useful 1s every minute. The GPS has ...
1
vote
1answer
87 views

Honeywell Dead Reckoning Module GPS Problems

This was previously posted in the Stack Exchange forum and I was referred here. I'm currently trying to connect a Honeywell DRM4000L to a GPS module. The DRM is a dead-reckoning device which takes a ...
2
votes
1answer
94 views

GPS accuracy problems outside vs inside with repeater

I have an interesting problem testing GPS receivers: While working inside our lab, we get reasonable results. We have a GPS repeater, as shown in the picture. Inside the lab, I get good accuracy ...
2
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0answers
30 views

Intermittent control signal injection clock sync

I have a big challenge in my design to overcome: I need clock frequency accuracy of <0.2ppm with incredibly low power consumption. What we are doing currently is, using a 3G transceiver' baseband ...
2
votes
1answer
65 views

GPS configuration

I am having trouble configuring a GPS module. According to the data sheet it has 20HZ update rate and 2.5m accuracy. However, the results usually shift between 10m to 100m away from what they are ...
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vote
0answers
33 views

The best components for a hybrid positioning system

I am stuck and need some extra brain power. I am attempting to build a grid of sensors with a trackable object...constrained to an X-Y plane, AND the object that is being tracked must be done so ...
-2
votes
2answers
263 views

Microcontroller with integrated GSM & GPS support? [closed]

I am looking for a single chip microcontroller with GSM & GPS solution. Is there any microcontroller chip which is specifically available for GSM & GPS solution? So that it will act like ...
1
vote
2answers
70 views

Collecting data from GSM devices

this is my first question on electronics, so I hope I will get it right. :) GSM and GPS are topics which are quite new to me, but I will try to be as clear as I can. Is it possible to collect data ...
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0answers
231 views

Using 3DR's uBlox GPS with Compass Kit with Arduino

How do I hook up 3DR's uBlox GPS with Compass Kit to an Arduino UNO to get GPS data on the serial monitor? I was trying to use the tutorial on Adafruit. I think the data is being sent out differently ...
2
votes
0answers
89 views

Capturing a 16.368MHz data stream with a MCU running at 32MHz

I have a 32MHz MCU (Atmel XMEGA A4) and I need to recover a digital signal coming from a GPS front end chip which is outputting SIGN and MAGNITUDE data at 16.368MHz. Clearly this is a hell of a task ...
0
votes
1answer
108 views

Arduino multiple serial module usage

I'm stuck at this seemingly simple thing. I have a NMEA GPS module. It doesn't matter how it operates, it just transmit serial data stream at a baud rate of 38400. I have an arduino Mega which has ...
1
vote
1answer
170 views

GPS over CAN bus

How is GPS data typically sent over CAN bus? Some context: I'm looking to simulate sending and for receiving GPS data (using a Linux-running embedded device with CAN interface), to work side-by-side ...
1
vote
1answer
72 views

Adafruit GPS breakout commit setting to ROM

I have got the following GPS Adafruit Ultimate GPS Breakout I want the GPS to only output the GPS information in $GPRMC. I am able to do that with this command: ...
0
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1answer
279 views

netduino plus 2 compatible gps/gsm module

I have a netduino plus 2 board and I am trying to send gps location with gprs to my server.I am a java programmer by profession,but recently I got interested in IoT and m2m communications.I would like ...
3
votes
1answer
110 views

Connecting Arduino to GPS Chip with Single Pin

I was given an old Garmin GPS unit from a friend and decided to tinker around with it and see if I could connect the GPS chip up to my Arduino to use with their GPS library. Problem is, the chip ...
-2
votes
1answer
114 views

anyways to receive data from the GPS module with GSM/GPRS [closed]

Am doing a project using the GPS. the main scenario is to display the position of the object in the maps. Scenario : am plan to use a GPS Antenna in the Arduino/Netduino board. where i will code to ...
2
votes
1answer
368 views

Parsing GPS($GPRMC)… Significance of Validity

In "$GPRMC,220516,A,5133.82,N,00042.24,W,173.8,231.8,130694,004.2,W*70" I know that the third argument 'A', is for valid data, but what does validity even mean, because you get an A even when some of ...
0
votes
1answer
88 views

GPS SOS Signal Device

Is there a way to send GPS coordinates from one device to another, without the use of any kind of cell service? What I'm attempting to design is a device that connect to a motorcycles' tip-over ...
-2
votes
1answer
320 views

Using TinyGPS library with Fastrax UP501 [closed]

I was thinking that TinyGPS library can be used with any gps module or there is some condition. (My module being Fastrax UP501). And at some places I read that while the arduino is connected to ...
-7
votes
1answer
492 views

How does SOLOSHOT work? [closed]

Does anyone know how SOLOSHOT works? I'm interested in exploring cheap ways of tracking an object relative to another object. So my brother sent me a link to this product and I'm having trouble ...
-4
votes
2answers
121 views

Working of a GPS [closed]

one of my friends is thinking of a startup in which we will use GPS technology . The thing is we are thinking of making a cheap gps receiver indigeneously but i am not able to find good links on the ...
-2
votes
1answer
108 views

Arduino collecting both analog and GPS signals [closed]

Is it possible to collect analog data and GPS with a frequency of about 200Hz? I know the GPS operates at 1, 5 or 10Hz but the analog data could be faster.
0
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2answers
199 views

Arduino Uno: SoftSerial For Two Devices (em406a GPS and DS18B20 Temp Probe) Not Quite Right

I am working on a prototype that requires use of an Arduino Uno, digital humidity sensor, heart rate monitor, temperature probe, and GPS unit. My issue, I believe is with trying to implement to the ...
0
votes
1answer
64 views

Losing Checksum Bytes on GPS

I am losing the last bytes into the checksum on my gps unit found here http://www.adafruit.com/products/746. If I comment all lines out except for line 2, then all the bytes are recieved correctly. Is ...
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0answers
666 views

TinyGPS library doesn't update GPS data when using Arduino ADC

I have a problem where I am using TinyGPS library to get NMEA data from a GPS, while also sampling the ADC at the same time. The problem is that it reads the ADC fine, but it seems to execute the GPS ...
-3
votes
1answer
100 views

How to measure the EMF in the air and log it into a csv file? [closed]

I would like to build a device measures the EMF in air,it should be sensitive for a wide band (broadband) EMF, And I want it to be able to log into a csv file the time and amplitude of EMF ...
0
votes
0answers
98 views

What are the minimal hardware parts needed for an active GPS tracker?

I am considering to implement an active GPS tracking device that is completely independent, the tracking device should get it's location every few seconds and send that data to a server over some ...
0
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0answers
117 views

Embedded project using Mux and Demux for antenna

In our current embedded project we are implementing a GPS ,GSM and Wifi Module. To connect these modules to external antenna board,separate SMA cables are used.As our design requires each of the ...
1
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2answers
93 views

Embedded system with SMA connectors

I am developing an embedded system that performs GPS and Wifi operation with separate modules for each and two SMA connectors to connect the respective antennas. Once it is being installed, is there a ...
2
votes
1answer
328 views

How to use Radix UP501 gps module with arduino

I bought Radix UP501 module . but i don't know how to use it with my arduino to output the location data on serial monitor .. How to make it working ???
2
votes
1answer
77 views

Embedded board level functional test at factory

My embedded project has a GSM and a GPS module. What is the best way to test the radios of these modules after the production of CCA like in a factory conditions.I was thinking of signal generators ...
10
votes
1answer
619 views

GPS Design Review (RF Input)

I've designed a PCB in Eagle to host a GPS Receiver module and a GPS patch antenna. The RF input to the module is specified as a 50Ω unbalanced (coaxial) RF input. I used this calculator to calculate ...
-3
votes
2answers
163 views

Can someone copy a gps device we make?

We plan to build a GPS device for our local community which will act like an electronic guide. The chip inside will contain GPS coordinates of important sites in our region as well audio guides. ...
1
vote
1answer
678 views

How many functions can I put into an arduino uno? [closed]

Is it realistic to put the following: GPS module, GSM module, SD card slot and about 4 analog sensors into Arduino uno? (have not yet goten an Arduino in my hands).
3
votes
2answers
220 views

Arduino GPS Camera

I am working on a project through my school. We are going to be shooting cameras on spikes into the ground beside grid roads for tornado tracking. The spikes will be equipped with two cameras. My job ...
2
votes
1answer
216 views

GPS module antenna shielding

I am designing a PCB including a GPS module. I am using the Locosys LS20031 which has a antenna mounted on it. The module is mounted on the board with 1" plastic studs and a connector connects it to ...
0
votes
1answer
48 views

GPS error reasons and maximising errors

I noticed that when using gps in mobile phone, I am positioned away from a wall if I stay very close to it. For example on a street with buildings on both sides, I usually get my location fix on the ...
-1
votes
1answer
115 views

smallest gps out there [closed]

I'm working on a school project and my team needs the smallest GPS possible. With some help from stackoverflow, we found https://www.sparkfun.com/products/11571 from sparkfun. This is good enough to ...
0
votes
2answers
558 views

Transmitting GPS data to Raspberry Pi

I am trying to figure out a way to get GPS data from a remote source to a Raspberry Pi. The remote source would be a helmet mounted GPS receiver so it would need to be small and preferably ...
4
votes
1answer
328 views

How does the addition of a bias-t circuit affect the impedance of a transmission line?

I've got a GPS circuit where the antenna is connected directly to the GPS receiver via a coplanar waveguide designed for an impedance of 50ohms. Unfortunately, I neglected to add the bias-t circuit ...
3
votes
2answers
358 views

Cheap bracelet with indoor location tracking

I want to provide people at an indoor exhibition of ours with a bracelet which allows me to send a signal to it to flash a led light. At the same time I want to be able to determine the location ...