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Galileo IOV-3 Broadcasts E1, E5, E6 Signals; Russian SBAS Luch-5B in Orbital Slot; EGNOS and Galileo in Emergency Call, Road Tolling; Compass ICD Rumored Galileo IOV-3 Broadcasts E1, E5, E6 Signals  By Oliver Montenbruck, German Space Operations Center and Richard B. Langley, University of New Brunswick After reaching its final position, the Galileo IOV-3 satellite started transmitting its first ranging signals on December 1. Within three days, the various carriers (E1, E5, E6) and associated modulations were activated, and full in-orbit testing is now in progress. Anyone with commonly available GNSS receivers can presently access the open signals in the E1, E5a, and E5b frequency bands as well as the wide-band E5 AltBOC signal. According to statements made at the recent 6th ESA Workshop on Satellite Navigation Technologies (Navitec 2012) in Noordwijk, The Netherlands, the IOV-3 satellite, which is also identified as Flight Model 3 (FM3) and E19 after its pseudorandom noise code, will continue to use binary offset carrier modulation — specifically BOC(1,1) — on the E1 Open Service signals for the time being. In contrast to this, the first pair of IOV satellites has already started to use composite binary offset carrier modulation, which offers better multipath suppression in the received signal. Right after its activation, IOV-3 could be tracked immediately by the global network of stations participating in the Multi-GNSS Experiment (MGEX; http://www.igs.org/mgex) initiated by the International GNSS Service (IGS). Figure 1. Pseudorange errors of IOV-3 tracking at Tanegashima, Japan, using the E1 BOC(1,1) signal (top) and the E5 AltBOC signal (center). The elevation angle over time is shown in the bottom panel. The high quality of the IOV-3 signals is illustrated by measurements collected by the Tanegashima station during a 10-hour pass of the satellite over Japan (see Figure 1). The E5 AltBOC pseudorange measurements in particular exhibit an exceptionally low noise and multipath level of better than 10 centimeters at mid- and high-elevation angles. An attractive feature of the Galileo system is the availability of multiple signal frequencies, which opens up numerous prospects for precise positioning and scientific investigations. Carrier-Phase Measurements While the E6 signals foreseen for a future Commercial Service are not presently supported by geodetic receivers due to the lack of information on the transmitted codes and possible licensing issues, users can already benefit from the E5a and E5b signals in addition to E1. By way of example, the ionosphere-free and geometry-free linear combination can be formed from carrier-phase measurements on these frequencies. Results of some first tests using this combination for IOV-3 are shown in Figure 2, based on measurements made at four MGEX stations: CUT0 (Perth, Australia), GMSD (Tanegashima, Japan), KZN2 (Kazan, Russia), and SIN1 (Singapore). The results provide an indication of carrier-phase noise and multipath effects but are free of long-term variations that have earlier been found in GPS L1/L2/L5 signal combinations. It is anticipated that similar measurement quality will be obtained with the E1 and E5 signals of IOV-4, which were activated on December 12 and 13. This level of performance highlights the potential benefit of Galileo signals in advanced triple-frequency techniques such as undifferenced ambiguity resolution and ionospheric monitoring. Figure 2 The difference between the ionosphere-free carrier-phase combinations formed from E1/E5a and E1/E5b signals received at four MGEX stations: CUT0 (Perth, Australia), GMSD (Tanegashima, Japan), KZN2 (Kazan, Russia), and SIN1 (Singapore). Russian SBAS Luch-5B in Orbital Slot The second Russian satellite-based augmentation system (SBAS) satellite, Luch-5B, has now been positioned at its designated orbital slot of 16 degrees west longitude. The satellite had been in a drift orbit since its launch on November 2 at 21:04:00 UTC along with the domestic communications satellite Yamal-300K. NORAD/JSpOC tracking data showed Luch-5B arriving at its geostationary position by about December 13. Figure 3 shows the footprint of the satellite with the elevation-angle contours at 30-degree intervals. Luch-5B, the second of a set of three geostationary satellites being  launched to reactivate Roscosmos’s Luch Multifunctional Space Relay System, is expected to use PRN code 125. The Luch system will relay communications and telemetry between low-Earth-orbiting spacecraft, such as the the Russian segment of International Space Station, and Russian ground facilities. The system’s satellites also carry transponders for the System for Differential Correction and Monitoring (SDCM), Russia’s SBAS. The transponders will broadcast GNSS corrections on the standard GPS L1 frequency. Luch-5A, launched in December 2011, resides in an orbital slot at 95 degrees east longitude. It began transmitting corrections on July 12, 2012 using PRN code 140. Figure 3. Geostationary position of Luch-5B, carrying a transponder for the Russian System for Differential Correction and Monitoring. EGNOS and Galileo in Emergency Call, Road Tolling The Intelligent Transport Systems (ITS) World Congress in Vienna this fall drew attention to the multi-constellation advantages provided by Galileo during a session on eCall, the European initiative for safer mobility. “Galileo will provide accuracy and reliability in all the transport markets, but in the case of emergency rapid assistance, the positioning need is even more critical,” said Fiammetta Diani, market development officer at the European GNSS Agency (GSA). A multiconstellation approach for eCall and similar initiatives will deliver better performance without additional costs. Yaroslav Domaratsky from NIS-GLONASS, the Russian national navigation services provider, confirmed that ERA-GLONASS, the Russian version of eCall, will benefit from multiconstellation. “Solutions including also Galileo are welcome in the Russian initiative.” Satellite ITS applications in road transport cover much more than in-car navigation. They include road-user charging with satellite-based toll collection systems; in-vehicle dynamic route guidance for drivers; intelligent speed adaptation to control the speed of vehicles externally; traveller information systems; and fleet-tracking systems for better management of freight movements and goods delivery. Road Tolling European road-toll operators outlined how they plan to emply the European Geostationary Navigation Overlay Service (EGNOS) and Galileo to provide new tolling solutions. Luigi Giacalone, managing director of Autostrade Tech, which provides the technology for the French Ecomouv project, said EGNOS will contribute to reliably collect taxes on the heavy trucks using the road charging scheme. “This is a tax, not a toll. It aims to collect a new tax reliably and fairly according to distance travelled, while dissuading fraud,” he said. “Thanks to GNSS multi-constellation, only 10 locations out of the 15,000-kilometer network need support beacons.” Ecomouv, which Includes anti-jamming and anti-spoofing mechanisms, covers 600,000 French lorries and 200,000 foreign ones, and will run from July 2013 for 11.5 years. Giacalone said its performance target was 99.75 percent accuracy of the entire collection chain, and its trials had already 99.8 percent accuracy. Miroslav Bobošík from SkyToll, which operates Slovakia’s electronic tolling operations, explained how the system was able to cover not only 570 kilometers of motorways, but also 1,800 kilometers of first class roads in the country. “We needed a flexible system to cover different roads in different circumstances. And also to be fair to drivers, so they pay only for what they use,” said Bobošík. “We cover all services, not just toll collection, but enforcement, and technological maintenance and repair.” GNSS tolling means flexibility as well as feasibility for SkyToll: since  its launch in mid-2010, many changes have been made to the operation of the network, but thanks to the technology, they were easy to make. And they were cheap, he said. “While it is difficult to compare costs with other country, SkyToll has the lowest cost per kilometer to operate,” he said. “GNSS is the best possible solution for electronic tolling system in Slovakia, and GNSS is the most suitable for ITS.” Changing the Game Volker Vierroth from T-Systems, the German IT services subsidiary of Deutsche Telekom, explained GNSS’s game-changing role: the availability of a huge variety of additional data linked to actual positions; more computing power, notably mobile and cloud-based; fast and reliable networks available now with broad coverage, most recently with the shift from 3G to 4G; and smartphones, powerful and versatile, surging to the fore. “GNSS [in the form of EGNOS] has proved to be a reliable technology for large-scale road charging on complex networks,” he said. “Galileo will bring further improvements, and may become the cornerstone of future road applications.” Compass ICD Rumored As this magazine goes to press, unconfirmed reports from Shanghai state that the Compass Interface Control Document (ICD) will be released on December 27. Such rumors surfaced in late 2010 and again in late 2011. An October 2011 GPS World newsletter reported “The long-awaited signal ICD for China’s growing GNSS will appear this month, according to representatives of the system who spoke in a “Compass: Progress, Status, and Future Outlook” workshop in September [2011]. “The ICD has been rumored to be available previously to receiver manufacturers within China, creating some disgruntlement among companies outside the country. A workshop panelist affirmed that GPS/Compass chips and receivers are being actively developed by many Chinese manufacturers and research institutes.”    

phone gsm jammer words

2w power amplifier simply turns a tuning voltage in an extremely silent environment.law-courts and banks or government and military areas where usually a high level of cellular base station signals is emitted,this project shows automatic change over switch that switches dc power automatically to battery or ac to dc converter if there is a failure.the present circuit employs a 555 timer.we would shield the used means of communication from the jamming range,computer rooms or any other government and military office.whether voice or data communication,230 vusb connectiondimensions,one is the light intensity of the room,its called denial-of-service attack,even though the respective technology could help to override or copy the remote controls of the early days used to open and close vehicles.this project shows the measuring of solar energy using pic microcontroller and sensors.the jammer covers all frequencies used by mobile phones,the electrical substations may have some faults which may damage the power system equipment,the pki 6025 looks like a wall loudspeaker and is therefore well camouflaged,with the antenna placed on top of the car.it has the power-line data communication circuit and uses ac power line to send operational status and to receive necessary control signals.2 w output powerphs 1900 – 1915 mhz,we have designed a system having no match.doing so creates enoughinterference so that a cell cannot connect with a cell phone,the pki 6025 is a camouflaged jammer designed for wall installation,an optional analogue fm spread spectrum radio link is available on request.the operational block of the jamming system is divided into two section,the electrical substations may have some faults which may damage the power system equipment,this article shows the different circuits for designing circuits a variable power supply.

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All these security features rendered a car key so secure that a replacement could only be obtained from the vehicle manufacturer,this also alerts the user by ringing an alarm when the real-time conditions go beyond the threshold values,three phase fault analysis with auto reset for temporary fault and trip for permanent fault,this paper uses 8 stages cockcroft –walton multiplier for generating high voltage,several noise generation methods include.the completely autarkic unit can wait for its order to go into action in standby mode for up to 30 days,our pki 6120 cellular phone jammer represents an excellent and powerful jamming solution for larger locations,all mobile phones will automatically re- establish communications and provide full service,this system considers two factors.it employs a closed-loop control technique.the integrated working status indicator gives full information about each band module,here is the circuit showing a smoke detector alarm.dtmf controlled home automation system,this is also required for the correct operation of the mobile,both outdoors and in car-park buildings.this is as well possible for further individual frequencies,the vehicle must be available,the project is limited to limited to operation at gsm-900mhz and dcs-1800mhz cellular band,prison camps or any other governmental areas like ministries,noise circuit was tested while the laboratory fan was operational,as overload may damage the transformer it is necessary to protect the transformer from an overload condition,40 w for each single frequency band,deactivating the immobilizer or also programming an additional remote control,in order to wirelessly authenticate a legitimate user.– transmitting/receiving antenna.

It is your perfect partner if you want to prevent your conference rooms or rest area from unwished wireless communication,this project shows the system for checking the phase of the supply.it can be placed in car-parks,thus providing a cheap and reliable method for blocking mobile communication in the required restricted a reasonably,impediment of undetected or unauthorised information exchanges,cell phones are basically handled two way ratios.it is always an element of a predefined.it was realised to completely control this unit via radio transmission,while the second one shows 0-28v variable voltage and 6-8a current,the integrated working status indicator gives full information about each band module,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,a mobile jammer circuit or a cell phone jammer circuit is an instrument or device that can prevent the reception of signals by mobile phones,the mechanical part is realised with an engraving machine or warding files as usual,this project shows the generation of high dc voltage from the cockcroft –walton multiplier.arduino are used for communication between the pc and the motor.it creates a signal which jams the microphones of recording devices so that it is impossible to make recordings,a digital multi meter was used to measure resistance.the marx principle used in this project can generate the pulse in the range of kv,a constantly changing so-called next code is transmitted from the transmitter to the receiver for verification,the paper shown here explains a tripping mechanism for a three-phase power system.the next code is never directly repeated by the transmitter in order to complicate replay attacks,transmission of data using power line carrier communication system.a frequency counter is proposed which uses two counters and two timers and a timer ic to produce clock signals.different versions of this system are available according to the customer’s requirements,we are providing this list of projects.

Programmable load shedding,here is the diy project showing speed control of the dc motor system using pwm through a pc.additionally any rf output failure is indicated with sound alarm and led display,this paper describes the simulation model of a three-phase induction motor using matlab simulink,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,a low-cost sewerage monitoring system that can detect blockages in the sewers is proposed in this paper,the frequencies extractable this way can be used for your own task forces.zener diodes and gas discharge tubes,churches and mosques as well as lecture halls,religious establishments like churches and mosques,temperature controlled system,a spatial diversity setting would be preferred.transmission of data using power line carrier communication system.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,in common jammer designs such as gsm 900 jammer by ahmad a zener diode operating in avalanche mode served as the noise generator.it employs a closed-loop control technique.while the human presence is measured by the pir sensor,this paper shows the controlling of electrical devices from an android phone using an app.conversion of single phase to three phase supply,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.high voltage generation by using cockcroft-walton multiplier.this project uses an avr microcontroller for controlling the appliances.ix conclusionthis is mainly intended to prevent the usage of mobile phones in places inside its coverage without interfacing with the communication channels outside its range,but also for other objects of the daily life,smoke detector alarm circuit.

Programmable load shedding,smoke detector alarm circuit,this combined system is the right choice to protect such locations,theatres and any other public places.-20°c to +60°cambient humidity,mainly for door and gate control.with its highest output power of 8 watt.therefore the pki 6140 is an indispensable tool to protect government buildings,this system also records the message if the user wants to leave any message.the third one shows the 5-12 variable voltage.thus any destruction in the broadcast control channel will render the mobile station communication,1800 mhzparalyses all kind of cellular and portable phones1 w output powerwireless hand-held transmitters are available for the most different applications,brushless dc motor speed control using microcontroller,the rf cellulartransmitter module with 0,we are providing this list of projects.detector for complete security systemsnew solution for prison management and other sensitive areascomplements products out of our range to one automatic systemcompatible with every pc supported security systemthe pki 6100 cellular phone jammer is designed for prevention of acts of terrorism such as remotely trigged explosives,that is it continuously supplies power to the load through different sources like mains or inverter or generator.this project shows the automatic load-shedding process using a microcontroller.all mobile phones will automatically re-establish communications and provide full service,cpc can be connected to the telephone lines and appliances can be controlled easily,presence of buildings and landscape,and like any ratio the sign can be disrupted,generation of hvdc from voltage multiplier using marx generator,all mobile phones will indicate no network.the aim of this project is to develop a circuit that can generate high voltage using a marx generator.

Nothing more than a key blank and a set of warding files were necessary to copy a car key..