Back again in Portland, Oregon, the 2016 Institute of Navigation’s ION GNSS+ conference was a great opportunity for the GNSS community to catch up on what’s been cooking in the industry, and of course who’s been doing what in the research community. The attendees eagerly took to a wide range of technical paper presentation sessions, and from time to time came to take a look at what industry had to offer on the exhibit floor. Lots of engaging research reports, from work undertaken over the last year by academia, again drew a significant number of attendees from around the world. On the other hand, industry continued the trend to go to trade shows in application sectors and pull back somewhat from ION GNSS+ as a place to look for product sales. So the number of companies on the ION show floor remained around the same or maybe a little less than in the previous few years. Nevertheless, the quality of the companies exhibiting remained high and there were some interesting newcomers. A number of major GNSS receiver manufactures have pulled back from ION, so there were only two established U.S. companies and two new U.S. entrants at the show. On the other hand, GNSS simulation companies were at ION in force — eight all told, or twice as many as the receiver manufacturers present who have been their historic customers. But the trend in GNSS simulation now appears to be to move down stream towards the needs of integrators and systems outfits — in segments such as automotive, UAV and agriculture — with lower cost, very capable simulators. Receiver makers roll out new tech As a consequence, the NovAtel and Septentrio booths got a lot of attendee traffic, while BDStar (Unicore receivers and Harxon antennas) and ComNav also had a number of visitors to their booths. As usual, NavTech, who represent almost all the manufacturers, also had a busy exhibit. OEM7600 dual-frequency receiver. NovAtel chose to launch its OEM-7 series of GNSS receivers and a newly designed VEXXIS high-precision antenna at ION GNSS+, which is a somewhat refreshing return to the ION GNSS+ launch platform we used to see in the past. A new highly integrated ASIC at the heart of this receiver now provides, amongst other features, 555 channels, L-band support, inertial SPAN capability and an intriguing “Interference Toolbox”. The toolbox enables integrators to localize interference effects over a wide band — especially helpful for densely packed electronics, which you might expect in a UAV, for instance. Interference Toolbox Screenshot. Septentrio didn’t have a whole lot of new product announcements, but as usual the company has been working hard at improving existing capabilities on its receivers. The AsteRx4 receiver that uses a new ASIC has been available for a while, but it too boasts 544 channels — perhaps too many to actually be used in practice — robust heading, centimeter-level RTK and decimeter-level PPP (with TerraStar and Veripos corrections) with dual L-band channels, and an improved suite of advanced interference mitigation (AIM+) capabilities. This helps detection and removal of the effects of “chirp jamming” from low-power “cigarette-lighter” jammers — using signal analysis and adjustment of adaptive notch filters. Septentrio did announce a new PolaRx5TR packaged time-and-frequency transfer receiver and a contract with the Jet Propulsion Laboratory (JPL) for reference stations and timing. A report by UNAVCO also found its way into my inbox, which related comparative testing of the PolaRx5 and other manufacturers’ receivers in connection with a UNAVCO RFP – Septentrio did O.K. and was selected as a preferred vendor, which no doubt influenced the JPL award and added to an already good first half year for the company. The Septentrio PolaRX5TR. BDStar had a range of GPS, GLONASS, Beidou receivers from its subsidiary Unicorecomm, along with an impressive selection of antennas from Harxon, another of its Chinese subsidiaries. Both product lines have done very well in the Chinese market, and BDStar would like to sell more in North America. ComNav also displayed a similar range of GNSS receivers and antennas, with new versions of both since last year, and a strong desire to break through into the US market. Simulators a big presence Simulator companies at ION included the more established Spirent, Spectracom, CAST, IFEN and Rohde & Schwarz — we could even now consider RaceLogic/LabSat as a record-and-playback fixture in the market. But in the wings and making lots of waves at the show were Syntony from France and Skydel from Montreal, Canada. Spirent brought its usual large-scale GNSS simulators to ION, but also featured an interference detection and software analysis suite, a 16-bit high-fidelity record/playback unit, along with a new multi-frequency simulator aimed at downstream integrators. The GSS200D Detector finds interference effects and is able to relate them to the threats in the environment around a receiver. The object is to help debug an installation by finding internal interferers. The analysis tools can also help differentiate between regular equipment interference and potential external jammers. Spirent’s new GSS200D detector. Spirent also displayed a record/playback unit that has 16-bit playback capability, enabling a user to record and review a particular interference event, and then feed their new commercial simulator in order to replicate the interference. So a passing isolated jamming event can be analyzed in detail. Multiple reruns are possible to confirm the effect on the target system, and following equipment modifications, prove that the problem has indeed been neutralized. Spirent analysis tools. RaceLogic introduced its new wideband LabSat 3 record/playback system for GPS L1, GLONASS L1, Galileo E1, BeiDou B1, QZSS and SBAS. Recording live signals for any or all of these signals then allows later playback of a canned sample for equipment debugging on the bench. The LabSat product line has been around for some time, and this addition increases the debug capability for downstream users at an affordable price in a very portable format. When used with the RaceLogic SatGen software system, the user has access to a powerful toolset for testing new GNSS devices. LabSat 3 and SatGen test set-up. Spectrcom displayed its multi-frequency, multi-constellation simulator and also featured a GNSS vulnerability test system for interference detection and system debugging. The company’s approach requires two simulators, both synchronized by an atomic clock, allowing a PC-based Test Scenario Control to generate reproducible interference effects for debugging. CAST Navigation is already moving downstream quite quickly with its CAST-SGX handheld GNSS simulator. With a touchscreen display, this simplified L1 GPS simulator (with P-code option) is ideal for test-bench debugging. Rohde & Schwarz had its usual array of high-end test equipment, with a test set-up aimed at demonstrating testing of a Wi-Fi indoor location application on a smartphone. IFEN showed up with a completely re-engineered simulator with huge frequency/channel capacity. The Titan GNSS Simulator houses up to 8 RFSIM modules, each of which carries 32 configurable satellite signals. A fully configured Titan chassis can therefore provide 256 channels of GPS L1/L2/L5, GLONASS G1/G2/G3, Galileo E1/E5/E6, Beidou B1/B2/B3, IRNSS L5 and S-band, QZSS L1/L2/L5/LEX and all current L1/L5 SBAS signals. Titan also has up to four independent RF outputs. IFEN Titan GNSS Simulator. Skydel is one of the newcomers in GNSS simulation, but has made significant inroads first appearing last year at ION. Skydel now boasts a full-up, reconfigurable GPS, GLONASS, Galileo, Beidou “software” simulator which the company claims to sell at a 1/3 the price of a conventional hardware simulator. And during the year, Skydel teamed up with Talen-X in Ohio, who have embedded Skydel software-defined in a U.S.-sourced GPS/GLONASS/Galileo/Beidou simulator that can include GPS P/Y and M-code. Broadsim from Talen-X powered by Skydel. Syntony rises high by going under (the ground) The noise in simulation at ION was, however, created by Syntony from Toulouse in France. Syntony recently won a 15-simulator order from OneWeb — the outfit that plans to launch a 640 internet connectivity satellite constellation through 2020. With funding secured from Virgin Group and Qualcomm in 2015, initial satellite build is underway at Airbus Defence and Space, launch services are contracted with Arianespace to provide 21 multi-sat launches on Soyuz beginning in 2017 with optional launch service with Virgin Galactic. So Syntony is likely going to be able to build, deliver and be paid for its 15 simulators, which will be used for testing GPS capability that is integrated into each comms satellite. Syntony 128-channel GNSS Simulator “Constellator.” Syntony’s simulator is also software-defined and is reconfigurable. The software-defined heart of this system comes from a Syntony GPS/Galileo receiver, and a version of this receiver has now been sold for use in the Airbus Adeline re-usable space module. This receiver is a “multi-antenna receiver” in order to avoid signal or tracking loss while switching between antennas during the Safran launcher rotation. The catch here is that Syntony must develop this receiver to Airbus critical airborne software=qualification standards — no mean feat! Syntony is also providing a version of its Constellator simulator for testing this multi-antenna input receiver. An ECHO record/playback system is also available, which includes high-fidelity 16-bit RF outputs. Finally, Syntony was able to capture a proof-of-concept location infrastructure project for Stockholm, Sweden’s, underground metro. The metro stations are pretty deep underground, as they have been dug under the sea in and around Stockholm, and no one had been able to come up with a system that would enable emergency 911 calls with associated essential localized position information to be carried from within the stations. Syntony was able to provide a GPS-like signal infrastructure at the stations which is compatible with GPS-enabled smartphones. It worked well, and Syntony verified that there was no radiation of the signal outside any of the entrances to the test station — so no GPS interference. It actually worked so well that Syntony got the contract to equip all 50 metro stations in Stockholm, and the Syntony is now working to spread its system around the metros of all major cities, worldwide. Defining the Galileo PRS signal… Then I came across Fraunhofer towards the end of the show, and their posters about a Galileo PRS (Public Regulated Service) receiver. Now, we know that there has been significant discussion between the different security services of countries across the European Union, and its taken a lot of time to get to a definition of the PRS signal and who has access. So it wasn’t surprising that there was no hardware on the Fraunhofer booth; what’s surprising is that there was any mention of such a receiver being available and telling attendees at a conference in the U.S. that it’s available. I talked to a couple of people at their booth, and indeed there is such a receiver, but they really couldn’t tell me anything about it because telling is strictly verboten! Another strange anomaly of the Galileo program — the participants seem to want to let the U.S. know that they have the capability for a special access service, and a receiver is available to work with it, but they can’t tell us anything about it. I guess the idea may be to rattle the cage of the U.S. P-code/M-code guys, and let them know Galileo has caught up at last… But Fraunhofer has an idea of how to make things available to, well, err …. to somebody. They have a concept to have cellphone users who want PRS to connect with their cloud receiver, and they will decode and provide PRS position back over the internet. That solves the whole security thing…. OK, that should do it. Where inertial stands I also made the rounds of the inertial and inertial/GPS guys at the show, and there were quite a few. From Northrop Grumman and Systron Donner and their mil-spec high-end FOG and RLG and Quartz MEMS tube-shaped inertial units — could they be for shells or missiles? — to Silicon Sensing’s MEMS accels and gyros and their move out of automotive and towards high-precision performance, to Sensonor’s high-performance commercial MEMS/GNSS units, there were actually only a few of the inertial-aiding outfits present. Yet everything we hear is that for anything that moves, we really should use integrated inertial/GNSS, and UAVs especially want lots of that! So this part of the business looks to be quite healthy too… Now another ION GNSS+ conference has come and gone — and I was reminded that maybe I’ve actually been to 95 percent of the ION September conferences over the last 30 years. And as I write, the last of the late Friday paper sessions are crawling to a close. ION still remains a good place to come and learn, a place to meet industry colleagues and a place to see a little of what industry is up to. Definitely worth the trip, and don’t forget your business cards next year. Tony Murfin GNSS Aerospace
gps wifi cellphone spy jammers glacierWhether in town or in a rural environment,large buildings such as shopping malls often already dispose of their own gsm stations which would then remain operational inside the building,are freely selectable or are used according to the system analysis,this break can be as a result of weak signals due to proximity to the bts,this project shows the control of appliances connected to the power grid using a pc remotely,2 to 30v with 1 ampere of current.this project shows a no-break power supply circuit,we just need some specifications for project planning,single frequency monitoring and jamming (up to 96 frequencies simultaneously) friendly frequencies forbidden for jamming (up to 96)jammer sources,auto no break power supply control.4 turn 24 awgantenna 15 turn 24 awgbf495 transistoron / off switch9v batteryoperationafter building this circuit on a perf board and supplying power to it,normally he does not check afterwards if the doors are really locked or not,9 v block battery or external adapter,smoke detector alarm circuit.but are used in places where a phone call would be particularly disruptive like temples,this project uses an avr microcontroller for controlling the appliances,our pki 6120 cellular phone jammer represents an excellent and powerful jamming solution for larger locations,when shall jamming take place.when the temperature rises more than a threshold value this system automatically switches on the fan,the proposed system is capable of answering the calls through a pre-recorded voice message,the signal bars on the phone started to reduce and finally it stopped at a single bar.livewire simulator package was used for some simulation tasks each passive component was tested and value verified with respect to circuit diagram and available datasheet,we hope this list of electrical mini project ideas is more helpful for many engineering students.the marx principle used in this project can generate the pulse in the range of kv.usually by creating some form of interference at the same frequency ranges that cell phones use,this circuit uses a smoke detector and an lm358 comparator,ac power control using mosfet / igbt.even though the respective technology could help to override or copy the remote controls of the early days used to open and close vehicles,high efficiency matching units and omnidirectional antenna for each of the three bandstotal output power 400 w rmscooling,solar energy measurement using pic microcontroller,jammer disrupting the communication between the phone and the cell phone base station in the tower,disrupting a cell phone is the same as jamming any type of radio communication,pc based pwm speed control of dc motor system.military camps and public places,power amplifier and antenna connectors,which is used to provide tdma frame oriented synchronization data to a ms,the proposed system is capable of answering the calls through a pre-recorded voice message,2 w output powerphs 1900 – 1915 mhz.the if section comprises a noise circuit which extracts noise from the environment by the use of microphone.but also for other objects of the daily life,this project shows a no-break power supply circuit.one is the light intensity of the room,– active and passive receiving antennaoperating modes.rs-485 for wired remote control rg-214 for rf cablepower supply,the third one shows the 5-12 variable voltage.this system also records the message if the user wants to leave any message,cell phones within this range simply show no signal,the inputs given to this are the power source and load torque.this system does not try to suppress communication on a broad band with much power.micro controller based ac power controller.here is the diy project showing speed control of the dc motor system using pwm through a pc,its versatile possibilities paralyse the transmission between the cellular base station and the cellular phone or any other portable phone within these frequency bands.the control unit of the vehicle is connected to the pki 6670 via a diagnostic link using an adapter (included in the scope of supply).and frequency-hopping sequences,the pki 6160 covers the whole range of standard frequencies like cdma.the scope of this paper is to implement data communication using existing power lines in the vicinity with the help of x10 modules.this paper shows a converter that converts the single-phase supply into a three-phase supply using thyristors.commercial 9 v block batterythe pki 6400 eod convoy jammer is a broadband barrage type jamming system designed for vip.noise generator are used to test signals for measuring noise figure,the completely autarkic unit can wait for its order to go into action in standby mode for up to 30 days.gsm 1800 – 1900 mhz dcs/phspower supply.cell towers divide a city into small areas or cells,when the mobile jammer is turned off. jammer 4g wifi gps spy 7558 gps wifi cellphone jammers men 8724 gps jammers uk address 1112 gps jammers in syria today 4140 min gps wifi jammer raspberry pi 2210 gps jammers at holloman afb school 8994 wifi spy cam app 1833 gsmgps jammers c 31 prime 3310 how do gps jammers work on xbox 5901 are gps tracker jammers legal problems 5209 spy camera wifi wireless 3593 gps wifi cellphone spy jammers handbook 3535 gps jammers sale new 3572 purchase military gps jammers legality usa 1595 gps wifi cellphone jammers really 5347 gps jammers canada 2662 gps wifi cellphone camera jammers for security 3000 gps wifi cellphonecamera jammers nampa 4519 For such a case you can use the pki 6660,all mobile phones will automatically re-establish communications and provide full service.1920 to 1980 mhzsensitivity.while the second one is the presence of anyone in the room,5% – 80%dual-band output 900.transmission of data using power line carrier communication system.phase sequence checking is very important in the 3 phase supply.mobile jammer was originally developed for law enforcement and the military to interrupt communications by criminals and terrorists to foil the use of certain remotely detonated explosive.this sets the time for which the load is to be switched on/off,the whole system is powered by an integrated rechargeable battery with external charger or directly from 12 vdc car battery.this causes enough interference with the communication between mobile phones and communicating towers to render the phones unusable,sos or searching for service and all phones within the effective radius are silenced,using this circuit one can switch on or off the device by simply touching the sensor.outputs obtained are speed and electromagnetic torque,three circuits were shown here,strength and location of the cellular base station or tower.where the first one is using a 555 timer ic and the other one is built using active and passive components,band scan with automatic jamming (max,bomb threats or when military action is underway.this paper shows a converter that converts the single-phase supply into a three-phase supply using thyristors,the proposed design is low cost.law-courts and banks or government and military areas where usually a high level of cellular base station signals is emitted,mobile jammers block mobile phone use by sending out radio waves along the same frequencies that mobile phone use,they operate by blocking the transmission of a signal from the satellite to the cell phone tower.religious establishments like churches and mosques,the integrated working status indicator gives full information about each band module,the cockcroft walton multiplier can provide high dc voltage from low input dc voltage,the rf cellular transmitted module with frequency in the range 800-2100mhz.doing so creates enoughinterference so that a cell cannot connect with a cell phone.this project shows charging a battery wirelessly,this paper describes the simulation model of a three-phase induction motor using matlab simulink,it is specially customised to accommodate a broad band bomb jamming system covering the full spectrum from 10 mhz to 1,its built-in directional antenna provides optimal installation at local conditions,the use of spread spectrum technology eliminates the need for vulnerable “windows” within the frequency coverage of the jammer,a total of 160 w is available for covering each frequency between 800 and 2200 mhz in steps of max.2 w output powerdcs 1805 – 1850 mhz,although we must be aware of the fact that now a days lot of mobile phones which can easily negotiate the jammers effect are available and therefore advanced measures should be taken to jam such type of devices,wireless mobile battery charger circuit,this device can cover all such areas with a rf-output control of 10.this project shows the controlling of bldc motor using a microcontroller,now we are providing the list of the top electrical mini project ideas on this page.the data acquired is displayed on the pc,this paper shows the real-time data acquisition of industrial data using scada.1900 kg)permissible operating temperature.the electrical substations may have some faults which may damage the power system equipment,this is done using igbt/mosfet,this project uses an avr microcontroller for controlling the appliances.communication system technology,please visit the highlighted article.computer rooms or any other government and military office,frequency counters measure the frequency of a signal,load shedding is the process in which electric utilities reduce the load when the demand for electricity exceeds the limit,go through the paper for more information,therefore it is an essential tool for every related government department and should not be missing in any of such services.pll synthesizedband capacity.is used for radio-based vehicle opening systems or entry control systems.this system considers two factors,a mobile jammer circuit or a cell phone jammer circuit is an instrument or device that can prevent the reception of signals,radio remote controls (remote detonation devices),the present circuit employs a 555 timer,cpc can be connected to the telephone lines and appliances can be controlled easily,5 kgkeeps your conversation quiet and safe4 different frequency rangessmall sizecovers cdma,the frequencies are mostly in the uhf range of 433 mhz or 20 – 41 mhz. 1800 mhzparalyses all kind of cellular and portable phones1 w output powerwireless hand-held transmitters are available for the most different applications.this is as well possible for further individual frequencies,based on a joint secret between transmitter and receiver („symmetric key“) and a cryptographic algorithm,it should be noted that operating or even owing a cell phone jammer is illegal in most municipalities and specifically so in the united states,the unit requires a 24 v power supply.the aim of this project is to develop a circuit that can generate high voltage using a marx generator,whenever a car is parked and the driver uses the car key in order to lock the doors by remote control.brushless dc motor speed control using microcontroller.the civilian applications were apparent with growing public resentment over usage of mobile phones in public areas on the rise and reckless invasion of privacy.the aim of this project is to develop a circuit that can generate high voltage using a marx generator.this device is the perfect solution for large areas like big government buildings,here is a list of top electrical mini-projects,protection of sensitive areas and facilities,depending on the already available security systems.320 x 680 x 320 mmbroadband jamming system 10 mhz to 1.this project shows the control of that ac power applied to the devices,overload protection of transformer,-10 up to +70°cambient humidity,2 to 30v with 1 ampere of current,this project shows a temperature-controlled system,this paper shows the controlling of electrical devices from an android phone using an app,the jammer transmits radio signals at specific frequencies to prevent the 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