Product Description
Product Description
Radio Direction Finding Passive Radar Beamforming Original Version Assembled RTL-SDR Software Radio Receiver Product Description Description:It is a 4-channel phase-coherent RTL-SDR that can be used for passive radar, direction finding and other purposes. The four RTL-SDRs for KerberosSDR share the same clock, and clock synchronization can be achieved quickly without receiving valid signals and only receiving noise. Once synchronization is achieved, it can be used to do many interesting things, such as direction finding, beamforming, passive radar, etc.Although some people have previously synchronized several RTL-SDRs and demonstrated some similar uses, most of them have not opened the source code of software, and hardware transformation is also more difficult, resulting in the experiment process not being reproduced by most people. Therefore, our product was born.It is recommended to browse official information for KerberosSDR in order:- Link for /- Link for /ksdr/- Link for https://othernet.is/products/kerberossdr-4x-coherent-rtl-sdrSeveral Typical Examples For KerberosSDR:- For KerberosSDR Quick Start Guide: /ksdr- For KerberosSDR Direction Finding Android App Demo: /kerberossdr-app-update-heatmap-precise-tx-localizing-turn-by-turn-navigation-demo-videos- For KerberosSDR Direction Finding Android App Tutorial: /kerberossdr-direction-finding-with-android-app-demo-and-tutoria- For KerberosSDR SingalsEverywhere Video: /signalseverywhere-kerberossdr-direction-finding-video-tutorial- For KerberosSDR Networked Direction Finding with RDFMapper:/networked-radio-direction-finding-with-kerberossdr-and-rdfmapper- For KerberosSDR Passive Radar Traffic Statistics: /measuring-traffic-in-a-neighborhood-with-kerberossdr-and-passive-radar Attention:Item for KerberosSDR includes 4 RTL-SDR. Because it needs enough power, otherwise it will fail to work properly. At present, the main reason why most users cannot use it normally is insufficient power supply. Therefore, a high-quality microUSB data cable with 3A output current is needed.Basic Use For KerberosSDR:There are currently two suggestions for how to use it. One is to install related drivers and application software on system for Ubuntu. The other is to use the image for Raspberry Pi created by the author, burn the image to a SD card through the tool, and use it directly after booting. The second method for Raspberry Pi is simpler to use.The official recommendation is for Ubuntu 18.04, I also verified on that for Ubuntu 18.04.1. Install dependent packages:sudo apt updatesudo apt install python3-pip python3-pyqt4 build-essential gfortran libatlas3-base libatlas-base-dev python3-dev python3-setuptools libffi6 libffi-dev python3-tk pkg-config libfreetype6-dev php-cli wondershaper2. Uninstall the previously installed numpy package:sudo apt remove python3-numpy3. Use pip3 to install dependencies (need to ensure better network quality):pip3 install numpypip3 install matplotlibpip3 install scipypip3 install cairocffipip3 install pyaprilpip3 install pyarguspip3 install pyqtgraphpip3 install peakutilspip3 install bottlepip3 install paste4. For installing RTL-SDR-Kerberos driver:sudo apt-get install libusb-1.0-0-dev git cmakecd ~ [Where to store the code for cd, decide it yourself]git clone /rtlsdrblog/rtl-sdr-kerberoscd rtl-sdr-kerberosmkdir buildcd buildcmake ../ -DINSTALL_UDEV_RULES=ONmakesudo make installsudo ldconfigecho'blacklist dvb_usb_rtl28xxu' sudo tee --append /etc/modprobe.d/blacklist-dvb_usb_nfIf conditions permit, you can restart the computer, it does not matter if it is inconvenient to restart.5.Use rtl_test command to test:Use the rtl_test command to test whether the four RTL-SDRs of KerberosSDR work properly.Open 4 terminals respectively, enter rtl_test -d 0 in the first terminal and click Enter, enter rtl_test -d 1 in the second terminal and click Enter, enter rtl_test -d 2 in the third terminal and click Back For vehicles, enter rtl_test -d 3 in the fourth terminal and click Enter. Make sure that none of the four terminals display any error prompts, indicating that the power supply of the four RTL-SDRs is normal. If an error is displayed, just google to check, and the Internet is prompting that the power supply is insufficient.6. For installing Kerberos SDR software:cd ~ [Where to store the code for cd, you can decide it yourself, as long as you distinguish the different code from the storage place, you can do it clearly]git clone /rtlsdrblog/kerberossdrcd kerberossdrsh setup_init.sh7. Run program for KerberosSDR:After running sh setup_init.sh, run the following command to open program for KerberosSDR../run.shPackage Included:- 1 x Set of RTL-SDR ReceiverNote: It is assembled and ready to use. Detail photo FAQ Q1. Can I have a sample order?A: Yes, we welcome sample order to test and check quality. Q2. What about the lead time?A: Sample ususally take within 3 working days. Q3. Do you have any MOQ (minimum order quality)limit?A: For standard product, usually 1pcs/item. For the OEM order, MOQ at least 50pcs/item. Q4. How to proceed an order?A: After buyer confirm the product&price is ok and ready to buy, order will be please tell us your delivery address, phone number, sometimes need email. Then we can draft the order and it will have a alibaba paying link. Q5. After paid, what info of the supplier provided? A: Tracking number Q6: Do you offer guarantee and after-service for the products?A: Yes, 6- 12 months warranty for our products. Note: We will do not take the responsibility for Man-made damage or improper operation. Delivery demage will be negotiate. Packing and ShippingPackage: Normally we use the standard paper package to export worldwide. Shipping : 1. By Couriers: DHL, UPS, FEDEX, TNT are the main courier we are co-operating at present. 2. By chinese small parcel, usually for the customer to save the cost. But Chinese small parcel have the risk for lost parcel. Note: If we got the parcel back, we only can refund the item cost. If we didn't get the parcel,then sorry we can't refund any.3. By Air: Delivery from the Shenzhen airport to customers’ destination city air port.4. By Sea: Delivery from the Shenzhen sea port . Company informationTZT has been speciliazing in Business & Industry,Hobbies & Toys,CNC Products and Health care supplies for over 5 years.We committed to enhance customer satisfaction by continually improving the process with a vision of expertise in the field. Aiming to provide high quanlity products and great service for buyer,we are strict on product quanlity control and offer instant communication service.Welcome to contact us!Our Advantages:- Source only the best consumer goods and ensure the highest quality.- Streamline the buying and payment process, and make it as easy as possible.- Help the customers all over the world discover products and manufacturers in China.- The Shortest order processed time and speed delivery
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