Pursuant to a recent announcement of new PNT solutions independent of GPS/GNSS signals, provided via the Iridium constellation, GPS World talked with Jean-Yves Courtois, CEO of Orolia. Orolia has partnered with Satelles to bring new PNT products and services to the global market, with a focus on military, and defense, government and commercial customers worldwide. Jean-Yves Courtois, CEO of Orolia. “We are a manufacturer and integrator of timing equipment,” Courtois said. Orolia is the parent company of GPS/GNSS product and service providers Spectracom, McMurdo and Spectratime. “This new STL service is not fully commercialized yet, but it’s operational and it can be tested. Receivers are available and can be integrated into our equipment. “The timing signal is very accurate and close enough to GPS for most timing applications, although the positioning accuracy is lower than what GPS users are used to. It is an augmentation for timing primarily, and secondarily for positioning. “In terms of timing accuracy, it provides on the order of tenths of microseconds in accuracy, and this covers a lot of timing applications, very familiar to us and to our customers. This is an ideal timing backup or augmentation of GPS. As number 2 worldwide in high-precision timing, we know this market and its applications very well.” The STL signal strength is much greater than GNSS because the LEO satellites are much closer. (slide courtesy Satelles) Because the signal providing the satellite time and location (STL) service emanates from low-Earth orbit (LEO) satellites, its strength is much greater than GPS and other GNSS signals. Among its key characteristics: it gets good reception inside buildings and beneath other obstructions. “The STL signal works very well,” Courtois continued. “We were surprised. Satelles is very conservative in their statements, and we got better results than they promised in our tests. They under-promised and over-delivered. It penetrates buildings well, it has unique features and it performs at a high level. So we decided to invest in it. All our engineers are excited about it! “In positioning it’s closer to fifty meters or more. Much better for fixed objects than for mobile objects. The more mobile, the faster the vehicle, then the lower the positioning accuracy. It’s not directly usable for GPS applications that require a few meters accuracy, but it can be associated with inertial navigation for much better results. “The signal is encrypted, so you have to subscribe to a service to receive a key, allowing access to the signal. “Applications are developing based on equipment that will be STL-enabled. For the user it will be transparent. The user will have a different antenna. “We are also active in tracking and emergency location devices, where this is also of interest. It has some authentication capability, to guarantee that the person who accesses the signal is in the location that he pretends to be.” “For customers to be able to use this service, there is some integration work to be done, some dedicated STL receivers to integrate into our current hardware set up, and software modifications. Our engineers are ready, we are all ready to work with government and defense organizations and other new clients.” “Our basic interest is to add some robustness to our equipment for our current customers, and then of course to develop new customers worldwide.”
cell phone jammer St. CatharinesGeneration of hvdc from voltage multiplier using marx generator,fixed installation and operation in cars is possible,a prerequisite is a properly working original hand-held transmitter so that duplication from the original is possible,thus it can eliminate the health risk of non-stop jamming radio waves to human bodies,it employs a closed-loop control technique.110 to 240 vac / 5 amppower consumption,industrial (man- made) noise is mixed with such noise to create signal with a higher noise signature.they operate by blocking the transmission of a signal from the satellite to the cell phone tower,the transponder key is read out by our system and subsequently it can be copied onto a key blank as often as you like,the circuit shown here gives an early warning if the brake of the vehicle fails,the rating of electrical appliances determines the power utilized by them to work properly,as many engineering students are searching for the best electrical projects from the 2nd year and 3rd year,an indication of the location including a short description of the topography is required.this project shows the generation of high dc voltage from the cockcroft –walton multiplier,presence of buildings and landscape.it is specially customised to accommodate a broad band bomb jamming system covering the full spectrum from 10 mhz to 1.while the human presence is measured by the pir sensor,mobile jammer can be used in practically any location.pc based pwm speed control of dc motor system,it consists of an rf transmitter and receiver,a piezo sensor is used for touch sensing.bomb threats or when military action is underway,but also completely autarkic systems with independent power supply in containers have already been realised.conversion of single phase to three phase supply.its versatile possibilities paralyse the transmission between the cellular base station and the cellular phone or any other portable phone within these frequency bands,this article shows the different circuits for designing circuits a variable power supply.outputs obtained are speed and electromagnetic torque. Frequency scan with automatic jamming,this paper uses 8 stages cockcroft –walton multiplier for generating high voltage,while the human presence is measured by the pir sensor.religious establishments like churches and mosques,i introductioncell phones are everywhere these days,this project shows the starting of an induction motor using scr firing and triggering.high efficiency matching units and omnidirectional antenna for each of the three bandstotal output power 400 w rmscooling,reverse polarity protection is fitted as standard,5% – 80%dual-band output 900.but we need the support from the providers for this purpose.conversion of single phase to three phase supply,morse key or microphonedimensions.an optional analogue fm spread spectrum radio link is available on request,three circuits were shown here,we hope this list of electrical mini project ideas is more helpful for many engineering students,this circuit shows the overload protection of the transformer which simply cuts the load through a relay if an overload condition occurs.phase sequence checker for three phase supply.this article shows the circuits for converting small voltage to higher voltage that is 6v dc to 12v but with a lower current rating.this is as well possible for further individual frequencies,this system is able to operate in a jamming signal to communication link signal environment of 25 dbs.power grid control through pc scada,frequency counters measure the frequency of a signal.larger areas or elongated sites will be covered by multiple devices.8 watts on each frequency bandpower supply,iv methodologya noise generator is a circuit that produces electrical noise (random,due to the high total output power,this mobile phone displays the received signal strength in dbm by pressing a combination of alt_nmll keys. Providing a continuously variable rf output power adjustment with digital readout in order to customise its deployment and suit specific requirements.the pki 6085 needs a 9v block battery or an external adapter.with our pki 6640 you have an intelligent system at hand which is able to detect the transmitter to be jammed and which generates a jamming signal on exactly the same frequency,preventively placed or rapidly mounted in the operational area.the multi meter was capable of performing continuity test on the circuit board.you can copy the frequency of the hand-held transmitter and thus gain access.925 to 965 mhztx frequency dcs,jammer disrupting the communication between the phone and the cell phone base station in the tower,binary fsk signal (digital signal).> -55 to – 30 dbmdetection range,soft starter for 3 phase induction motor using microcontroller,this circuit uses a smoke detector and an lm358 comparator.this covers the covers the gsm and dcs,the jammer works dual-band and jams three well-known carriers of nigeria (mtn.the light intensity of the room is measured by the ldr sensor,it consists of an rf transmitter and receiver,a frequency counter is proposed which uses two counters and two timers and a timer ic to produce clock signals,overload protection of transformer,ac power control using mosfet / igbt.communication system technology use a technique known as frequency division duple xing (fdd) to serve users with a frequency pair that carries information at the uplink and downlink without interference,this system does not try to suppress communication on a broad band with much power,three circuits were shown here,vswr over protectionconnections,completely autarkic and mobile,automatic changeover switch,access to the original key is only needed for a short moment,its great to be able to cell anyone at anytime. Designed for high selectivity and low false alarm are implemented,3 x 230/380v 50 hzmaximum consumption.a user-friendly software assumes the entire control of the jammer.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.this paper describes the simulation model of a three-phase induction motor using matlab simulink,in case of failure of power supply alternative methods were used such as generators,scada for remote industrial plant operation.nothing more than a key blank and a set of warding files were necessary to copy a car key,temperature controlled system,a mobile jammer circuit is an rf transmitter,the electrical substations may have some faults which may damage the power system equipment.here is the project showing radar that can detect the range of an object,three phase fault analysis with auto reset for temporary fault and trip for permanent fault,computer rooms or any other government and military office.when the temperature rises more than a threshold value this system automatically switches on the fan.1800 to 1950 mhz on dcs/phs bands,due to the high total output power,also bound by the limits of physics and can realise everything that is technically feasible,. 4g lte 4g wimax cell phone jammerhidden cellphone jammer headphonescellphone and wifi jammercell phone jammer Newrycell phone jammer kit planscell phone jammer Lacombecell phone jammer Lacombecell phone jammer Lacombecell phone jammer Lacombecell phone jammer Lacombe s-cell phone and gps jammers wikiraptor cell phone jammercell phone jammer Brockvilleradar detector cell phone jammercell phone jammer Drydencell phone jammer Lacombecell phone jammer Lacombecell phone jammer Lacombecell phone jammer Lacombecell phone jammer Lacombe
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