It is common, when making the purchase of a topography equipment, it is necessary to make a comparison of GPS, total stations, software, etc. Geo-matching.com is designed just for that.
Geo-matching is a site of Geomares, the same company that publishes the magazine GIM International. If we remember, a great priority of this journal is to make exhaustive reviews of different technologies for use in the field of geomatics. Geo-matching is nothing more than taking these revisions to equivalent tables so that a decision can be made under more or less uniform criteria.
The system is very well developed, with a list for now of 19 categories, more than 170 suppliers and more than 500 products. The categories include:
- Satellite imagery
- Software for remote sensors image processing
- Workstations for photogrammetry
- Total Stations
- Marine navigation systems
- Marine and aerial autonomous navigation vehicles
- Sonar scanning systems
- Images sonar
- Aerial digital camera
- Laser scanning systems
- Mobile GIS Systems, Hardware and Software
- Inertial navigation systems
- GNSS receivers
To show how it works we will do a test with four GPS equipment:
Comparison of GPS
This is the case if we include the GPS comparison:
- Magellan / Spectra MobileMapper 100
- Leica Geosystems Zeno 15
- Topcon GRS-1
- Trimble Juno
The category is selected, then the brands and finally the teams. On the left, the chosen team is marked.
The selection only supports 4 options, but they can be removed and put to your liking while retaining the selection by category. And in our example this is the chosen GPS sharing.
The information is provided by the manufacturers of the equipment, so if fault is their fault.
Interesting facts, in this GPS comparison:
- The year of the team's launch: The Trimble Juno was in 2008, The Topcon GRS-1 in 2009 and the Leica and Magellan in 2010. It will not be a great reference but it makes a reason for time and against which team the comparison should be made. In this case, we have included an older Trimble team to see how new functionalities were integrated each year, which facilitates neutral comparison. There is also a field that indicates if it is still in production.
- All, except the Juno Trimble bring software included: The Magellan brings Mobile Mapper Field / Mobile Mapper Office although it also supports ArcPad, The Leica Zeno 5 brings Zeno Field / Zeno Office and the Topcon eGIS. Of the three you can see that the most limited is the Zeno because it does not allow editing of attributes.
- All except the Trimble Juno support GLONASS
- As for the cold capture time of the first point, the shortest time is the Trimble Juno (30 seconds), while the maximum is the Leica Zeno 5 (120 seconds). The other two are in 60 seconds.
- As for the operating system, everyone uses Windows Mobile 6, except the Zeno 5 that remains archaic using Windows CE. It also does not support data loading to a remote server.
- The weakness in battery life is Topcon, with only 5 hours while others offer 8 hours. Decisive if we consider that an intense work day is between 6 and 8 hours, taking into account the complications of distance and transport in areas of irregular access.
- As for connectivity is better equipped with the Zeno 5, which supports both archaic cables and a GSM card for Internet connection.
- And in terms of precision, the best guarantee is in the MobileMapper, which offers sub-metric without post-processing, centimetric with post-processing and sporta RTK for millimeter. Despite the fact that the Topcon supports more channels, it is not clear as to its accuracy.
So, if you should choose from this group of 4 computers, the options are between the Spectra MobileMapper 100 and the Topcon GRS-1.
What there is not in this comparison of gps are the prices. So we will use Google Shopping For these purposes:
- MobileMapper 100 3.295,00 US $, including post-processing software
- Trimble Juno T41 1.218 US $ with Windows and 1.605 US $ with Android
- Topcon GRS-1 5.290,00 US $
- Leica Zeno 5 ... there is no price on Google Shopping but walks for US $ 4.200
In conclusion, we find an interesting service of Geo-matching, especially because it is geared to selecting the best option of resources that are needed in the geomatics field.
It is even educational because beyond comparative for GPS you can see for example, total stations, autonomous navigation devices, comparisons between satellite images from different providers, differences between the ArcPad for iPad, Windows and the new Android trend.
Time, user voting, opinions and integration of more suppliers can lead Geo-matching to be an interesting point of opinion.
Ir a Geo-matching.com