Global Positioning System (GPS)
1
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0answers
99 views
Get GPS way points to exact place
I added some GPS way points on land use layer. but way points are not in exact place.(Way points are located at little bit away from exact place)
I want to adjust way points to exact place.
GPS was ...
1
vote
0answers
107 views
How to enable OSM map in Garmin?
I've installed two OSM maps, but I cannot use them in Garmin. See the window of Utilities / Manage Map Products:
The maps are not lockable, but I cannot use them in Garmin... What shall I do to be ...
1
vote
0answers
312 views
Importing GPS coordinates correctly
I am importing a gsx set of waypoints with lat/lon taken in degrees, minutes, and thousandths of a minute. When they are added to my project, the waypoints are not showing up correctly - the ...
1
vote
0answers
136 views
how to correct the coordinate of points [closed]
I have some a layer which contains some points. The coordinate of the points should be GPS points. However, the coordinate of these points are not correct. What should I do?
I am using QGIS. If I ...
1
vote
0answers
196 views
Holux GPS logger .itm fileformat
I'm looking for a spec sheet or a library to open and decompress .itm files from the Holux GPS logger.
Has anyone worked with the proprietary .itm format already and can provide me with some usefull ...
1
vote
3answers
96 views
Looking for a website to produce a file using UTM or LL or LL to UTM or general
Is there a website that allow me to upload my GPS file from UTM to lat and long to produce a new output file ? I am looking for one to run a batch a list of UTM or LL to converstion them in either ...
1
vote
0answers
186 views
Draw a skyplot with calculated ECEF values (in meters)
I have ECEF values that I calculated from ephemeris subframes 2/3. Using this information, I'd like to place these values on a skyplot based on my current location. I'm using a C# picture box for my ...
0
votes
2answers
157 views
Precision of x decimal points in meters?
Is there a handy reference that corelates the number of decimal points in a coordinate to the precision in meters?
I had discussions like "4 decimal places will place you within a 500 meter radius" ...
0
votes
2answers
673 views
PostGIS convert geography(Point,4326) to GPS
I got a database with a column of type geography(Point,4326), the data contained looks like 0101000020E610000092E057F66EF73140930035B56CBD4840. How can I convert it to GPS coordinates?
0
votes
1answer
655 views
how to convert the easting and northing to a point and saved in a feature class in ArcMap?
I write a program to decode the message from the GPS device to get the easting and northing , but I don't know how to convert the easting and northing to a point and saved in a feature class in ...
0
votes
1answer
71 views
ArcGIS mobile to use external GPS device
Im currently tasked to create an app that would sketch a GPS Device's movement and plot it on the ArcGIS map. By default, the ArcGIS locationDisplay class calls the IOS class CLLocation to retrieve ...
0
votes
2answers
203 views
Length of forms in ArcPad10
I'm trying to create a survey with about 250 questions in ArcPad 10. Normally you would expect that a form you created in any application will be able to scroll in PDA if it is too long. But the ...
0
votes
1answer
40 views
error in estimate distance?
i do some experiment place two sensor node between them 4 meter as distance.
then i get these GPS information:
node1: Latitude: 32, 33.255 , Longitude: 36, 0.6632
node2: Latitude: 32, 33.228 , ...
0
votes
1answer
119 views
How can I manipulate the timestamps in a GPX file?
I have a GPS tracked stored in a GPX file. Now I'm looking for a tool that allows me to set the start time of the track and the duration, and the tool should automatically evenly distribute the ...
0
votes
2answers
79 views
I can not download gpx from GPS through GPS tool with GPS babel on QGIS
I have already install GPS tool plug-in and GPS Babel.
Garmin GPS map 62s is connected my PC through USB cable.
I changed device setting according to below site.
...
0
votes
1answer
45 views
Is it possible to download GPX another coordinate system except WGS(GCS) with GPS Tool on QGIS1.8.0?
I got GPS data with using bessel1841 as coordinate system.
When I download GPX data on GPS tool, it is automatically treated as WGS84.
Can I use another coordinate system when I download GPX on GPS ...
0
votes
1answer
64 views
Alternate option for a Data Player plugin for GPS in qgis
I found a plugin for QGIS to play a GPS Track. (Data player plugin).The Problem is I can not read .gpx File with this plugin.
Is there another option?
0
votes
1answer
314 views
How to fix the QGIS for Android GPS panel?
I have installed qgis on my samsung galaxy s1.
But I cant test the gps.
I found how to turn the gps on, but I cannot open the gps pannel to do it.
When i press view->panels there is nothing happens.
0
votes
1answer
127 views
Looking for a tutorial on syncing QGIS with Trimble ProXT
Does anyone have any experience/advice to sync a TrimbleProXT gps antenna with the current "Lisboa" 1.8.0v?
Additionally did you manage to collect features (points,line,polygons) in the field ok? ...
0
votes
2answers
720 views
Can *.ssf files from Trimble GPS be imported as features to display in ArcMap?
I have not come across *.ssf files before but I believe they are a Trimble GPS binary format. Someone has asked me if these files which he thinks have line/poly features can be imported for display ...
0
votes
1answer
303 views
Sensitivity of Garmin eTrex 30
I have a very good experience with Garmin eTrex Legend HCx -
here and here they write that HCx has a very sensitive chip, that works in forest, deep valleys and in cities - and I can only confirm - ...
0
votes
1answer
217 views
What GPS unit can I use to track myself all day for a 10 day trip? [duplicate]
Possible Duplicate:
Logging GPS and Accelerometer Data - Device Suggestion?
I will be visiting China this October as part of a field studies course and I want to be able to take the ...
0
votes
1answer
91 views
Programs to log NMEA on Nomad 900?
I am interested in logging NMEA data on a Trimble Nomad 900. Unfortunately the SatViewer records a maximum of 64,000 characters, too little for my application. I don't want to have to purchase ...
0
votes
0answers
31 views
Updating position for a list of markers
I am working with Google Maps. Specifically, I am working with http://hpneo.github.io/gmaps for a gps tracker simulation, here I need to update the position on each point.
At the gmaps script, ...
0
votes
0answers
27 views
A machine to measure latitude to 6 decimal places of a degree [duplicate]
I am doing a PhD research project to do with medieval and ancient archaeoastronomy which requires me to be able to measure latitudes up to an accuracy of 6 decimal places of a degree of latitude. ...
0
votes
0answers
32 views
QGIS GPS live tracking adding polygon vertices
Maybe I'm missing something or maybe it is a bug? I'm trying to add polygons using the GPS information console. The only button available to record data is "add polygon", but if you click on it, you ...
0
votes
1answer
128 views
convert GPS to x,y using reference node
i am using sensor nodes and their antenna to calculate GPS coordinates as notation of (degrees/minutes/seconds), i have some question of how to do these things:
how can i convert latitude and ...
0
votes
1answer
42 views
Imported GPS data does not overlap with map
I´m working on QGIS and I geocoded 2 addresses of a city in Germany and tried to input the text-file as a layer. It worked, but the 2 points must be in the map of the city and if I zoom to the ...
0
votes
1answer
98 views
How to calculate surface area of highland region using DEM with ArcGIS (ArcEditor)?
Am shyaka from Rwanda.
I use GIS tools and have all required data to perform or calculate surface area from the polygons that have been given by GPS (Trimble) with ArcPad 8.
I originate from a high ...
0
votes
0answers
24 views
Best handheld GPS unit under $500? [duplicate]
I hope this is okay to post here.
I want to do some data collection in my free time which will be hosted on my own website for people to freely download and use.
I obviously want the data to be as ...
0
votes
0answers
28 views
Is there any plan to integrate support for MOTOTRBO GPS data?
As the Mototrbo digital technology including GPS capabilities is getting more and more popular in the radio industry, is the any plan to integrate the GPS data received from units in the field to the ...
0
votes
0answers
61 views
Download/Upload GPS/Qgis don't work anymore
We were using Qgis and GpsBabel to download waypoints and tracks from GPS garmin 60 or 76.
Since few weeks, this is not working anymore.
There is a error windows, and nothing is created.
I tried ...
0
votes
0answers
32 views
Is there any open Source Software to work with *.ssf? [duplicate]
Need an Open Source software to work with *.ssf, as I dont have Trimble Patfinder Office right now..
0
votes
0answers
30 views
How to integrate GPS data in a SHP file? / Comment fusionner 2 couches vectorielles? [closed]
In order to update a farming parcels dataset stored as a SHP file, I have captured updates with a GPS. How to integrate these GPS updates in my SHP dataset?
Pour mettre à jour un projet comportant ...
0
votes
0answers
51 views
Is it possible to see polyline as route or track data on GPS?
I would like to see polyline on GPS.
First, I try to convert polyline to GPX.
I uploaded GPX on GPS.
SO far, I could not see the line on GPS.
First of all,is it possible to see polyline as route or ...
0
votes
0answers
70 views
GPS tool does not work well on QGIS 1.8.0
I installed GPS tool as plug-in and GPSBabel as additional software.
I connected GPS through USB cable.
I set new GPS device edittor according to below site.
...
0
votes
0answers
77 views
matching gps coordinates to a hand drawn map
I am looking for a professional who can help in the creation of a map app that requires GPS coordinates to be matched to a hand drawn illustrated map. to get an idea of the types of maps we are ...
0
votes
0answers
36 views
Associate media to gpx vector layer from Python Console
Essentially, I would like to have the description in the form of text annotations when i hover my mouse over the gps entry. And if i click the same, it should display the images.
So I started off by ...
0
votes
0answers
322 views
How does a GPS/GSM/GPRS Tracker work without a monthly fee?
GPS newbie here.
Looking at this product: http://dx.com/p/gps-gsm-gprs-tracker-for-personal-remote-positioning-29284
How does a GPS tracker work without a monthly plan?
Thank You.
0
votes
0answers
95 views
MapFish Print latitude, longitude innacuracy?
I'm new to GIS so this may be trivial: I'm using MapFish Print to create some PNG. I have issues to place the viewport. When I use a random GPS coordinate: -20.904522,55.475106 which seem to point ...
0
votes
0answers
98 views
Building a private GPS almanac server - practical experience
I'm trying to provide a source of GPS almanac files (in SEM format) for a non-connected / sometimes connected network.
I know that I can download them from the USCG NAVCEN. However I don't want to ...
0
votes
2answers
524 views
Converting GeoExplorer gps data points
I have been given what I'm told are differential corrected gps points (DGPS) and asked to convert them to something usable in current GIS (e.g. Arcgis, Qgis).
They have names like R081320a.cor, ...
0
votes
0answers
32 views
How to find the GPS infomation in a layer [duplicate]
Possible Duplicate:
Get list of coordinates for points in a layer?
I have gotten a layer which contains some points. I want to get the GPS of these points. However, when I save it as .csv ...
0
votes
0answers
31 views
Calculating ECEF X, Y, and Z velocities between 2 points on Earth [duplicate]
Possible Duplicate:
How do I calculate ECEF X,Y,Z velocities for GPS if I have no satellites
This is my third attempt at explaining what I'm trying to do.
If I have two ECEF X, Y, Z ...
0
votes
0answers
49 views
Calculate XYZ velocities between 2 ECEF points [duplicate]
Possible Duplicate:
How do I calculate ECEF X,Y,Z velocities for GPS if I have no satellites
If I have a starting location (Latitude/Longitude), a bearing (degrees), and a speed (m/s), how ...
-1
votes
1answer
302 views
Does GPS Navigator send data to Satellite?
Does GPS Navigator send data to satellite?
Is this true about regular devises available in the market?
