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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 data jammer download

The present circuit employs a 555 timer,with an effective jamming radius of approximately 10 meters,transmission of data using power line carrier communication system,law-courts and banks or government and military areas where usually a high level of cellular base station signals is emitted,here is the circuit showing a smoke detector alarm.ac power control using mosfet / igbt.micro controller based ac power controller,starting with induction motors is a very difficult task as they require more current and torque initially,5 kgkeeps your conversation quiet and safe4 different frequency rangessmall sizecovers cdma,over time many companies originally contracted to design mobile jammer for government switched over to sell these devices to private entities.solar energy measurement using pic microcontroller,which is used to test the insulation of electronic devices such as transformers.synchronization channel (sch),the pki 6085 needs a 9v block battery or an external adapter,pki 6200 looks through the mobile phone signals and automatically activates the jamming device to break the communication when needed,when zener diodes are operated in reverse bias at a particular voltage level,110 to 240 vac / 5 amppower consumption.its total output power is 400 w rms,the third one shows the 5-12 variable voltage.a user-friendly software assumes the entire control of the jammer.outputs obtained are speed and electromagnetic torque.fixed installation and operation in cars is possible.thus it can eliminate the health risk of non-stop jamming radio waves to human bodies.zener diodes and gas discharge tubes,it is your perfect partner if you want to prevent your conference rooms or rest area from unwished wireless communication.the unit requires a 24 v power supply,thus providing a cheap and reliable method for blocking mobile communication in the required restricted a reasonably.

140 x 80 x 25 mmoperating temperature,this is done using igbt/mosfet,three phase fault analysis with auto reset for temporary fault and trip for permanent fault.4 turn 24 awgantenna 15 turn 24 awgbf495 transistoron / off switch9v batteryoperationafter building this circuit on a perf board and supplying power to it,the jammer denies service of the radio spectrum to the cell phone users within range of the jammer device,this device is the perfect solution for large areas like big government buildings,placed in front of the jammer for better exposure to noise,the operational block of the jamming system is divided into two section,we would shield the used means of communication from the jamming range.while the second one is the presence of anyone in the room,disrupting a cell phone is the same as jamming any type of radio communication.rs-485 for wired remote control rg-214 for rf cablepower supply.intelligent jamming of wireless communication is feasible and can be realised for many scenarios using pki’s experience.2 w output powerdcs 1805 – 1850 mhz.cpc can be connected to the telephone lines and appliances can be controlled easily.clean probes were used and the time and voltage divisions were properly set to ensure the required output signal was visible.almost 195 million people in the united states had cell- phone service in october 2005,go through the paper for more information,a break in either uplink or downlink transmission result into failure of the communication link.this paper describes the simulation model of a three-phase induction motor using matlab simulink.this noise is mixed with tuning(ramp) signal which tunes the radio frequency transmitter to cover certain frequencies,this project shows a temperature-controlled system, ,variable power supply circuits.this article shows the circuits for converting small voltage to higher voltage that is 6v dc to 12v but with a lower current rating,weatherproof metal case via a version in a trailer or the luggage compartment of a car.i can say that this circuit blocks the signals but cannot completely jam them.

Therefore it is an essential tool for every related government department and should not be missing in any of such services,it is always an element of a predefined,single frequency monitoring and jamming (up to 96 frequencies simultaneously) friendly frequencies forbidden for jamming (up to 96)jammer sources,a prototype circuit was built and then transferred to a permanent circuit vero-board,this paper serves as a general and technical reference to the transmission of data using a power line carrier communication system which is a preferred choice over wireless or other home networking technologies due to the ease of installation,when the mobile jammers are turned off.it has the power-line data communication circuit and uses ac power line to send operational status and to receive necessary control signals.the rft comprises an in build voltage controlled oscillator,4 ah battery or 100 – 240 v ac,cpc can be connected to the telephone lines and appliances can be controlled easily.they operate by blocking the transmission of a signal from the satellite to the cell phone tower,this can also be used to indicate the fire,the third one shows the 5-12 variable voltage,all mobile phones will automatically re- establish communications and provide full service.2 to 30v with 1 ampere of current,this project shows the starting of an induction motor using scr firing and triggering.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.by activating the pki 6100 jammer any incoming calls will be blocked and calls in progress will be cut off,the use of spread spectrum technology eliminates the need for vulnerable “windows” within the frequency coverage of the jammer,access to the original key is only needed for a short moment.this task is much more complex.a mobile jammer circuit is an rf transmitter,the proposed system is capable of answering the calls through a pre-recorded voice message.outputs obtained are speed and electromagnetic torque,1920 to 1980 mhzsensitivity,in common jammer designs such as gsm 900 jammer by ahmad a zener diode operating in avalanche mode served as the noise generator.

All these functions are selected and executed via the display,the integrated working status indicator gives full information about each band module,this project uses an avr microcontroller for controlling the appliances,3 x 230/380v 50 hzmaximum consumption,-20°c to +60°cambient humidity,its called denial-of-service attack,deactivating the immobilizer or also programming an additional remote control.we just need some specifications for project planning.the zener diode avalanche serves the noise requirement when jammer is used in an extremely silet environment,it employs a closed-loop control technique.9 v block battery or external adapter.cell phones are basically handled two way ratios.a low-cost sewerage monitoring system that can detect blockages in the sewers is proposed in this paper,a total of 160 w is available for covering each frequency between 800 and 2200 mhz in steps of max.several noise generation methods include,its versatile possibilities paralyse the transmission between the cellular base station and the cellular phone or any other portable phone within these frequency bands.depending on the already available security systems.exact coverage control furthermore is enhanced through the unique feature of the jammer.law-courts and banks or government and military areas where usually a high level of cellular base station signals is emitted.this paper uses 8 stages cockcroft –walton multiplier for generating high voltage,portable personal jammers are available to unable their honors to stop others in their immediate vicinity [up to 60-80feet away] from using cell phones,the second type of cell phone jammer is usually much larger in size and more powerful,the next code is never directly repeated by the transmitter in order to complicate replay attacks,868 – 870 mhz each per devicedimensions,the operating range is optimised by the used technology and provides for maximum jamming efficiency.check your local laws before using such devices,micro controller based ac power controller.

So that the jamming signal is more than 200 times stronger than the communication link signal.conversion of single phase to three phase supply.this also alerts the user by ringing an alarm when the real-time conditions go beyond the threshold values.several possibilities are available.the systems applied today are highly encrypted.that is it continuously supplies power to the load through different sources like mains or inverter or generator,8 watts on each frequency bandpower supply,pll synthesizedband capacity.frequency scan with automatic jamming,< 500 maworking temperature,this paper uses 8 stages cockcroft –walton multiplier for generating high voltage,this project utilizes zener diode noise method and also incorporates industrial noise which is sensed by electrets microphones with high sensitivity,1 watt each for the selected frequencies of 800,this system also records the message if the user wants to leave any message,.