Geophysics / NOVAdrone P800 GPR COBRA
GPR HF/LF antennas for “Air Coupled” surveys with drone
In many cases, GPR surveys can be complex both logistically and in terms of personnel safety due to topographical environments and adverse weather conditions. The drone or rover integrations proposed by Novatest represent a valid alternative to traditional methods, offering a range of advantages in terms of efficiency and competitiveness of the service provided.
The NOVAdrone P800 system with integrated GPR, compared to a manned aircraft or helicopter, not only makes the work safer and more efficient but also brings significant benefits in terms of programmed autonomous low-altitude flights with high precision thanks to the “Terrain Follow” system. A GPR mounted on a drone allows surveys on land, ice, rocks, freshwater, or structures in critical environments without compromising personnel safety, providing an alternative solution for more efficient surveys.
Examples of applications:
Thanks to the possibility of associating different types of GPR antennas with the drone, it is possible to achieve both high-resolution detailed analyses and deep geological surveys.
Available UAV GPR configurations:
Quadcopter drone (NOVAdrone P800) with CBD multi-frequency GPR 250/450/800 MHz
Quadcopter drone (NOVAdrone P800) with low-frequency Plug-In GPR SE-model 40MHz / 70MHz / 150MHz
NOVAdrone Quadcopter, max payload 10 kg
Features:
– T-Motor U8 KV100 + ALPHA 60A-HV engines
– N.2 Batteries Tattu Plus 22000mAh 22.2V Lipo Battery
– Flight Electronics Here 3+ Cube Orange
– MK15 Long Range radio controller
– RTK Here3 RTK + Base system
Integrated GPR + UAV System:
– “Terrain Follow” radar system for automatic and constant altitude management during flight;
– Data recording is started at takeoff and stopped at landing directly through the Cobra DAQ acquisition software;
– GPR data is geolocated with RTK correction system;
– Automated mission management system NOVAplanner.
– GPR Cobra Antennas compatible with NOVAdrone P800 (CBD, Plug-in Subecho 40/70/150)
COBRA CBD GPR (HF) antenna:
NOVAdrone P800 CBD multi-frequency GPR 250-450-800MHz, with an operating bandwidth of 50-1500 MHz, 2 channels.
Complete GPR kit including Cobra DAQ acquisition software and PRISM 2.59 post-processing software.
Provided with “Terrain Follow” system for constant altitude management during flight.
CBD Multi Frequency Antenna 250/450/800 MHz:
– Central frequency of 52 MHz
– Bandwidth 50-1500 MHz
– PRF: 50-350 kHz
– Stacking: -65 536 scans or +48 dB SNR
– Scan rate: up to 2500 scans/s
– Samples per scan: 512-8192
– Dynamic range: 24-32 bits total: 144 dB+48 dB
– Maximum penetration (in optimal conditions) up to 10 m (*)
– Dimensions: 60 x 52 x 29 cm
– Weight: 5.5 Kg
Plug-In GPR COBRA (LF) antennas:
COBRA Plug-In GPR System, 32-bit, range up to 1,600 ns, 32,000 stack/s.
Real-time sampling for deep geological applications, both air-coupled and ground-coupled.
Models: SE-40, SE-70, SE-150
SUBECHO-40 GPR Antenna:
– Central frequency of 52 MHz
– Bandwidth 15-105 (90 MHz)
– Vertical resolution 48 cm
– Horizontal resolution 141 cm
– Maximum penetration (in optimal conditions) up to 80-120 m (*)
– Dimensions: 200 x 15 x 21 cm
– Weight: 4.7 Kg
SUBECHO-70 GPR Antenna:
– Central frequency of 80 MHz
– Bandwidth 20-140 (120 MHz)
– Vertical resolution 31 cm
– Horizontal resolution 88 cm
– Maximum penetration (in optimal conditions) up to 80 m (*)
– Dimensions: 139 x 15 x 21 cm
– Weight: 3.7 Kg
SUBECHO-150 GPR Antenna:
– Central frequency of 124 MHz
– Bandwidth 20-280 (260 MHz)
– Vertical resolution 21 cm
– Horizontal resolution 59 cm
– Maximum penetration (in optimal conditions) up to 40 m (*)
– Dimensions: 92 x 22 x 22 cm
– Weight: 3.5 Kg
(*) Using the air-coupled GPR method, positioning the antenna 1 m above the ground, the penetration and resolution performance decrease by more than 50% compared to the conventional ground-coupled GPR method, where the antenna is coupled directly to the ground.
“In addition to providing the most advanced technologies in the sector, Novatest offers you personalized technical consulting, professional training for your team, and hot rental services with expert operators to guarantee excellent results.”
NOVAdrone GPR Cobra System Configurations:
– UAV NOVAdrone P800 + GPR COBRA PLUG-IN SE-40 MHz
– UAV NOVAdrone P800 + GPR COBRA PLUG-IN SE-70 MHz
– UAV NOVAdrone P800 + GPR COBRA PLUG-IN SE-150 MHz
– UAV GEORADAR COBRA CBD multifreq. 250/450/800 MHz
– UAV NOVAdrone P800 + GPR + NOVAPlanner Mission Planning Software + Terrain Following
Includes:
– NOVAdrone P800 quadcopter drone (max payload 8 kg);
– RTK system;
– “Terrain Follow” system for automatic altitude management during flight;
– NOVAplanner mission control and planning software;
– Long-range radio controller;
– N°4 batteries;
– Battery charger;
– GPR antenna (SE-40, SE-70, SE-150, CBD 250/450/800);
– Rugged Cobra tablet control unit with datalogger;
– Cobra DAQ software;
– PRISM 2.59 post-processing software;
– Smart Cart with odometer for using the GPR on the ground;
– USB key with software, manual, and documentation;
– Carrying case.
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