Geoscanners GEKKO-80
Deep Survey Antenna
Gekko-80 is a compact, lightweight and ultra-wide band ground penetrating antenna for a very high radio frequency band. This antenna, with its good penetration and signal to noise ratio, is an example of the fact that deep penetration and good resolution can be achieved at once. It is therefore ideal for applications that require deep penetration and high resolution, while still having an easily maneuverable GPR system. Examples of such applications are water level mapping, dam structural integrity surveys and more.
The precise design of the outer shell of Gekko-80 provides a stable construction that doesn’t tip and withstands the challenges that will be presented by the outer environment.
Gekko-80 is fully compatible with the rest of the Geoscanners equipment. It is easily mounted on the GST-806 cart, designed specifically to be used on cars or other vehicles, or with the SVC-820 cart(standard 4 wheel cart).
Just as with the rest of the Geoscanners antennas, Gekko-80 is designed with the end user in mind. It can be used in both monostatic mode or in bistatic mode. Depending on which mode is desirable by the user, the antenna comes equipped with top of the line Geoscanners plug-in electronics; TR-501 for monostatic mode or a combination of RX-501 and VHT-501 for bistatic mode. By including the transceivers in the antenna, we made sure that the end user receives a highly integrated device with all the matching already made to give the best possible results.
Area of Application
- Deep geological surveys
- Glacier surveys and monitoring
- Water level mapping
- Alluvial deposits and layer mapping
- Dam structural integrity surveys, embankment control
Gekko-80 antennas can be equipped with a variety of plug-in electronics, allowing different operation modes. There are 3 different plug-in electronics available, one of which(or two for the bistatic mode) are included in an order depending on what mode the user is requesting. The 3 plug-in electronics are:
- TR-501 – a transceiver plug-in that is used with Gekko-80 antennas that will be operated in a monostatic operation mode.
- VHT-501 – a transmitter plug-in that is paired with a RX-501 receiver for Gekko-80 antennas that will be operated in bistatic mode. VHT-501 can also be paired with TR-501.
- RX-501 – a receiver plug-in with improved sensitivity that is paired with a VHT-501 transmitter for Gekko-80 antennas that will be used in bistatic mode.
Regardless of what plug-in or plug-in combination that is included in an order, it is important that the plug-in electronics are correctly inserted into Gekko-80. In order to not complicate things, the labels were placed strategically on the antennas. While inserting a plug-in, the text on the plug-in must be facing the same direction as the “Gekko-80”-label, as shown in images 1 and 2.
Monostatic and Bistatic mode of operation
It has been mentioned throughout this datasheet that Gekko80 can be used in monostatic or bistatic mode. Choosing which mode fits best depends on the demands of the intended survey. If a survey requires a compact solution, then a Gekko80 antenna in a monostatic mode gives good results at the same time as it is easy to use. If the main requirement of the survey is to achieve the greatest possible depth, then two Gekko-80 antennas in bistatic mode, equipped with a VHT501 transmitter and a sensitive RX501 receiver, is the perfect choice. Images 3 and 4 show the how data can look in the two different modes.
In some cases users will be required to do a combination of different types of surveys. Therefore it is necessary to have both options ready, so that no time needs to be wasted. By purchasing two Gekko-80 antennas together with a TR501 transceiver and VHT501 transmitter, the user has the freedom to choose and switch between the two options directly on the field.
Gekko-80 in monostatic mode, equipped with a TR501 transceiver
Gekko-80 in bistatic mode, equipped with a TR501 transceiver and a VHT501 transmitter
Features
Technical specifications
