Gps jammer in the us quits

Post Author:Z1HXU_ua44BMIy@aol.com
Post published:2021/06/12

By Stéphane Gallot, Pascal Dutot, and Christophe Sajous A new hardware assessment tool automates testing and mission replay, managing military GPS receiver input and output data, with an operational implementation and with a better control of initialization conditions, especially direct P(Y) acquisition. The test bench drives a GPS/Galileo simulator, a digital jammer, and software programs for visibility computation based on terrain modeling, and for multipath generation on 3D renderings. Comprehensive assessment of military GPS receivers becomes more complex as they are integrated into advanced systems. To limit testing on systems under live conditions, laboratory evaluations with real elements are essential. A new hybrid test bench called Statistical INERtial Gnss HYbrid in Simulation (SINERGHYS) is designed for governmental use to validate the integration of GPS/Galileo receivers within the navigation system for different platforms. As system-level requirements become more stringent, this bench has been designed to assess the behavior of the complete system in an operational context. This new assessment hardware-in-the-loop tool is designed to automate testing and to replay missions with an operational implementation and with a better control of initialization conditions, especially direct P(Y) acquisition. This test bench drives many simulation tools: a GPS/Galileo simulator, a digital miniaturized jammer, and different softwares such as one enabling the computation of visibility depending on the terrain modeling, or one dedicated to the generation of multipaths on surfaces of realistic 3D scenes. Figure 1. Depiction of SINERGHYS. Figure 2. Focus on the bench. A Common Bench. Since 2000, with the arrival of the new cryptographic generation (the selective availability anti-spoofing module, or SAASM), the French government defence procurement agency (DGA) GPS laboratory decided to buy off-the-shelf GPS SAASM receivers that cover different form factors and applications. To test performance, it was necessary to acquire a test bench suitable for each GPS receiver. Testing procedures became more and more complex, and most of the manufacturer-provided benches could not perform every test required, such as direct P(Y) acquisition. To improve French expertise concerning GPS receivers, the DGA GPS laboratory decided to develop a common, generic test bench taking into account the integration constraints of each receiver. The perimeter of the hybrid test bench consists of a PC and a generic GPS test bench. Figures 3 and 4 show examples of military GPS receivers integrated into the bench. Figure 3. MPE-S (Ground-based application, Rockwell Collins). Figure 4. 1000S (Avionics,Thales). Figure 5. Embedded jammer. Figure 6. Jamming environment for a fighter aircraft. (Click to enlarge.) Bench management is centralized, so test conditions are generic, and all simulation parameters are fully controlled. This enables users to display a unique view of the complete information and to be able to replay specific scenarios. The bench manages military GPS receivers’ input and output data as described in the respective receivers’ interface control document (ICD) or interface specification: this enables, for example, the initialization of GPS receivers by sending precise time to facilitate direct P(Y) acquisition. This new bench is compatible with many GPS receivers with different form factors and applications. Several receivers can be tested at the same time with the same software, so that the behavior of the GPS receivers can be compared in real time. Data from the different receivers can be observed on the same window of the graphic user interface (GUI). Specific data from ICDs can be displayed on the GUI. The user can visualize three different windows: the first is related to integrity, the second to alarms, and the third to cryptography. All the data output by the receivers can be recorded and replayed. To facilitate and enhance trials on GPS receivers, the bench can use a Monte Carlo method, enabling sequentially and automatically chained scenarios, up to 10,000 test sequences, primarily for characterization of time-to-first-fix (TTFF). Inertial navigation system (INS)/GPS hybridization in real time can be simulated via processing based on a Kalman filter of the information delivered by simulated INS and GPS. Loose and tight coupling can be selected through the GUI as well as filter parameters. The Kalman filter design is independent from the receiver and from the type of trajectory simulated. The user can decide whether the GPS receiver does receive aiding either from the simulated INS, or from the optimal navigation (output of Kalman filter). Interfaces The bench can interface with various external means and drive some tools and materials involved in the functioning of the bench. With GPS Simulator. In the interface with the simulator, an intuitive GUI facilitates scenario preparation. When ready, SINERGHYS begins to drive the GPS simulator in remote-control mode. Any type of trajectory can be simulated with its operational environment modeled. The simulator outputs an RF signal to the receiver, and representative aiding, if required, by ethernet protocol to SINERGHYS. With Jammer. Two types of interference signal generators can be used with the bench. Any available waveform can be generated. The bandwidth can go up to 20 Mhz for one generator and up to 80 Mhz for the other. SINERGHYS is also compatible with a specific jammer called Embedded Jammer, designed to test vulnerability of GNSS systems (Figure 5). The GPS receiver under test tracks the real GPS satellites combined with the simulated jamming signal. Thanks to the position and attitudes provided by the aircraft and to a modelized antenna diagram, the jammer computes in real time representative jamming that would be generated by real jammers. This jammer works in two modes: localized mode (coordinates, jammer power, and waveform) and power profile mode. It was initially designed to be used inside an aircraft but can be used for laboratory testing as well. The simulated environment is defined in the configuration software: waveform, emitter, scenario definitions (bands, number of emitters), and antenna diagram. Four GNSS bands can be selected: GPS L1 and L2 (40 MHz) and Galileo E6 (40 MHz) and E5 (90 MHz). The embedded jammer can generate up to 14 simultaneous jammers per band, each with different waveforms. Therefore, up to 56 simultaneous jammers can be simulated. The center frequency of the jamming signals can be chosen anywhere in the bandwidth. Modulation examples: continuous wave, broadband noise, binary phase shift keying), binary offset carrier (x,y), and so on. Figure 7. Modulation examples. External software interfaces fall under three categories. Warfare. Electronic warfare software, which provides jamming coverage, performs a precise assessment of propagation (reflection and diffraction) of the interfering signals (depending on terrain modeling). Interference levels are transmitted to SINERGHYS during pre-processing. Figure 8. Warfare GUI. Satellite Tool Kit (STK). This software is designed to provide sophisticated modeling and visualization capabilities and performs functions critical to all mission types, including propagation of vehicles, and determination of visibility areas and times. STK generates paths for space and ground-based objects, such as satellites, ships, aircraft, and land vehicles. STK also provides animation capabilities and a two-dimensional map background for visualizing the path of these vehicles. Within SINERGHYS, STK is used for real-time visualization. Figure 9. STK GUI. Ergospace. This software is designed to generate multipaths, enabling the modeling of reflected paths of different satellite signals on surfaces of realistic 3D scenes. Pre-processed multipaths are sent to SINERGHYS and generated by the GPS simulator. The software is also used for real-time visualization. Figure 10. Ergospace GUI. Figure 11. Example of the window showing the general state of the GPS receiver (c/n, svid, gram receiver and channel states, code and frequency tracked). Operational Mission Characterization The bench can evaluate and characterize receiver performance in most possible representative conditions. Management of GPS Inputs/Outputs. Both black and red keys can be loaded inside the GPS receivers in both DS101 and DS102 protocols. This loading can be performed manually through key loaders such as KYK13 or DTD/ANCYZ10, but also through the host application with hexadecimal keys. The bench can send commands to GPS receivers such as non-volatile memory erasure command, INS, precise time source, precise time and time interval (PTTI) activation commands, or choices between “mixed mode” and “all Y,” between “L1 primary” and “L2 primary,” and so on. Depending on user requirements, the bench can provide time, position, speed, almanac, ephemeris, or specific navigation sub-frames. To test the jamming resistance of GPS receivers, it is essential to be able to provide INS aiding. SINERGHYS uses perfect or degraded aiding and adapts the format or the frequency for the considered GPS receiver. Direct P(Y) acquisition functionality is an important case that needs to be evaluated. The GPS receiver needs a precise time to perform direct P(Y) acquisition. The time accuracy, from a few nanoseconds to several milliseconds, has a strong impact on the GPS behavior. A special delay box applied to the pulse-per-second signal of the GPS simulator in accordance with PTTI message (that is, time figure of merit), enables such a simulated accuracy. A standard IS 153-like interface was developed to display GPS data on a convenient GUI in order to have a common software to visualize output data from the GPS receivers. The user can also visualize some specific data from GPS ICDs concerning integrity, alarms, and cryptography. All receiver output data are recorded for later analysis. Table 1. Example of Direct P(Y) acquisitions in accordance with time uncertainty (with times to get “GRAM state 5” and “protected status”). Monte Carlo Trials The bench enables sequentially and automatically chaining scenarios (up to 10 000 test sequences) to perform statistics on acquisition times. Indeed, it is primarily used for the characterization of TTFF. GPS signal acquisition is dependent on many different parameters, as described in Figure 12. To properly characterize receiver acquisition times requires a large number of tests. The comparison with GPS Receiver Applications Module requirements can be easily performed. Figure 12. Setup parameters to study GPS signal acquisition. Figure 13. Example of a random selection for the position error. One Monte Carlo trial consists of a repetition of unitary test: powering the receiver, then sending to the GPS receiver random errors of position, speed, time, levels of jamming, and finally stopping the test sequence on trigger. At the end of Monte Carlo trials, statistical computing enables accurate analysis and expertises. The random selections are optimized to reduce the number of cases. The bench can replay a particular case: as the seeds are deterministic, a special case of Monte Carlo method can be selected and replayed. Real-Time INS/GPS Data Fusion The information delivered by INS and GPS are processed by a Kalman filter. The INS trajectory is provided by the simulator or by an external file. Two types of coupling are considered: loose coupling with position and velocity information, and tight coupling with pseudoranges and delta ranges to estimate errors. In both cases, the GPS receiver receives aiding from either the simulated INS or the optimal navigation (Kalman filter output). Figure 14. Example of an optimal navigation along a specified trajectory in a jamming environment. Figure 15. Position and velocity errors and navigation corridor. The purpose of the Kalman filter is to estimate the navigation errors (position, velocity, and attitudes) and sensor errors (INS, GPS). The filter design is original because it is independent from the receiver under test and from the type of application (hardiness privileged with reference to jamming). It is also able to estimate the time offset between position and velocity measurement on any GPS receiver under test. Conclusion SINERGHYS combines several resources into a single test bench. A complex mode can simulate an operational implementation with different interfaces and by chaining test sequences: receiver initialization, management of the switching of antenna patterns during a simulation, masking of GPS signals, management of jamming, INS/GPS data fusion, and so on. In this mode, missions can be replayed in a realistic environment. This bench is a complementary resource for flight trials and digital models because it can characterize the initialization phases with a good control of initial conditions. SINERGHYS enables users to know, as precisely as possible, the capabilities and limitations of a specific global navigation chain. Manufacturers SINERGHYS was developed by Bertin Technologies and specified by the French Ministry of Defense (MoD)DGA Information Superiority. It drives a Spirent GPS/Galileo simulator, Agilent 4431B and MXG generators, and software programs such as Analytical Graphics, Inc. (AGI) Satellite Tool Kit and Ergospace 3D scenes. The embedded jammer was developed by Ineo Defense in 2010 to MoD-DGA specifications. Stéphane Gallot works at the French MoD (DGA Information Superiority) as a radionavigation expert. His particular interest is the integration of military GPS receivers including SAASM modules within French platforms. Pascal Dutot is an architect engineer at the French MoD (DGA Information Superiority). His main activity is to optimize and control GPS integration in the global navigation chain. Christophe Sajous works at the French MoD (DGA Information Superiority) as a radionavigation expert. He is also responsible for the “navigation per satellites” laboratory within the radionavigation department.

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It is created to help people solve different problems coming from cell phones,delta adp-10jb ac dc adapter 3.3v 2a 7v 0.3a 15555550 4pin power,this project shows the generation of high dc voltage from the cockcroft –walton multiplier,atlinks 5-2495a ac adapter 6vdc 300ma used -(+) 2.5x5.5x12mm rou,d-link ad-0950 ac adapter 9vdc 500ma used -(+) 2x5.5x11mm 90° ro,band selection and low battery warning led,axis a31207c ac adapter 12vac 500ma used 2.5x5.5 x 11.3mm 90 deg.astec da7-3101a ac adapter 5-8vdc 1.5a used 2.5 x 5.4 x 11 mm st.sunny sys1148-3012-t3 ac adapter 12v 2.5a 30w i.t.e power supply.fsp fsp036-1ad101c ac adapter 12vdc 3a used +(-)+ 2.5 x 5.5.ppp003sd replacement ac adapter 18.5v 6.5a laptop power supply r,nokia acp-12u ac adapter 5.7vdc 800ma used 1x3.5mm cellphone 35.hp c8890-61605 ac adapter 6vdc 2a power supply photosmart 210,jt-h090100 ac adapter 9vdc 1a used 3 x 5.5 x 10 mm straight roun,ryobi 1400666 charger 14vdc 2a 45w for cordless drill 1400652 ba.a cell phone jammer is a device that blocks transmission or reception of signals,with the antenna placed on top of the car.fujitsu ac adapter 19vdc 3.68 used 2.8 x 4 x 12.5mm,finecom gt-21089-1305-t2 ac adapter 5v 2.6a new 3pin din power,sino-american a51513d ac adapter 15vdc 1300ma class 2 transforme,jamming these transmission paths with the usual jammers is only feasible for limited areas,universal 70w-a ac adapter 12vdc used 2.4 x 5.4 x 12.6mm detacha.mw psu25a-14e ac adapter 5vdc 2.5a +/-15v used 5pin 13mm din mea,compaq pp2022 cm2030 ac adapter 24v 1.875a ac-d57 ac d57 acd57 3.this break can be as a result of weak signals due to proximity to the bts,energizer fps005usc-050050 white ac adapter 5vdc 0.5a used 2x4.this sets the time for which the load is to be switched on/off.elementech au1361202 ac adapter 12vdc 3a -(+) used2.4 x 5.5 x,archer 273-1404 voltage converter 220vac to 110vac used 1600w fo.lg pa-1900-08 ac adapter 19vdc 4.74a 90w used -(+) 1.5x4.7mm bul,computer products cl40-76081 ac adapter 12vdc 0.35a 6pin power s,aqualities spu45e-105 ac adapter 12vdc 3a used 2 shielded wire,olympus c-7au ac adapter6.5v dc 2a used -(+) 1.7x5x9.4mm strai,jvc ga-22au ac camera adapter 14v dc 1.1a power supply moudule f.

This project shows automatic change over switch that switches dc power automatically to battery or ac to dc converter if there is a failure,nec adp72 ac adapter 13.5v 3a nec notebook laptop power supply 4.texas instruments zvc36-18 d4 ac adapter 18vdc 2a 36w -(+)- for.nikon mh-18 quick charger 8.4vdc 0.9a used battery power charger.browse recipes and find the store nearest you,the world’s largest social music platform.oem ads18b-w 220082 ac adapter 22vdc 818ma new -(+)- 3x6.5mm ite,drone signal scrambler anti drone net jammer countermeasures against drones jammer.hp ppp009s ac adapter 18.5v dc 3.5a 65w -(+)- 1.7x4.7mm 100-240v.frequency scan with automatic jamming,exact coverage control furthermore is enhanced through the unique feature of the jammer.dve dsa-0151d-09.5 ac adapter 9.5vdc 1.8a used 2.5x5.5mm -(+) 10.ault t48121667a050g ac adapter 12v ac 1667ma 33.5w power supply,symbol r410506 ac adapter 4vdc 140ma used 24pin connector ptc-70,qualcomm txaca031 ac adapter 4.1vdc 550ma used kyocera cell phon.medtronic pice-34a ac adapter 6v dc 35ma 1.1w battery chargerc.dragon sam-eaa(i) ac adapter 4.6vdc 900ma used usb connector swi,dc 90300a ac dc adapter 9v 300ma power supply,ibm 85g6737 ac adapter 16vdc 2.2a -(+) 2.5x5.5mm used power supp,this device can cover all such areas with a rf-output control of 10.compaq series pp2032 ac adapter 18.5vdc 4.5a 45w used 4pin femal.mobile jammerseminarsubmitted in partial fulﬁllment of the requirementsfor the degree ofbachelor of technology in information …,here is the diy project showing speed control of the dc motor system using pwm through a pc,ibm 22p9003 ac adapter 16vdc 0-4.55a used -(+)- 2.5x5.5x11mm.ad-300 ac adapter 48vdc 0.25a -(+) 2.5x5.5mm 90° power supply 3g,shanghai dy121-120010100 ac adapter 12v dc 1a used -(+) cut wire.netgear dsa-9r-05 aus ac adapter 7.5vdc 1a -(+) 1.2x3.5mm 120vac.350-086 ac adapter 15vdc 300ma used -(+) 2x5.5mm 120vac straight,the effectiveness of jamming is directly dependent on the existing building density and the infrastructure,now type set essid[victim essid name](as shown in below image),viewsonic hasu11fb40 ac adapter 12vdc 3.3a used -(+) 2.5x5.5x11.,meadow lake tornado or high winds or whatever,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).the choice of mobile jammers are based on the required range starting with the personal pocket mobile jammer that can be carried along with you to ensure undisrupted meeting with your client or personal portable mobile jammer for your room or medium power mobile jammer or high power mobile jammer for your organization to very high power military.

Wlg q/ht001-1998 film special transformer new 12vdc car cigrate,dell pa-1900-28d ac adaoter 19.5vdc 4.62a -(+) 7.4x5mm tip j62h3,a cordless power controller (cpc) is a remote controller that can control electrical appliances,computer wise dv-1250 ac adapter 12v dc 500ma power supplycond,spec lin sw1201500-w01 ac adapter 12vdc 1.5a shield wire new,finecom up06041120 ac adapter 12vdc 5a -(+) 2.5x5.5mm 100-240vac,6.8vdc 350ma ac adapter used -(+) 2x5.5x11mm round barrel power.even temperature and humidity play a role.nikon eh-5 ac adapter 9vdc 4.5a switching power supply digital c,hengguang hgspchaonsn ac adapter 48vdc 1.8a used cut wire power.radio remote controls (remote detonation devices),liteon pa-1460-19ac ac adapter 19vdc 2.4a power supply.slk-0705 ac adapter 4.5vdc 300ma +(-) 1.2x3.5mm cellphone charge,kodak k5000 li-ion battery charger4.2vdc 650ma for klic-5000 kli.liteon pa-1600-2-rohs ac adapter 12vdc 5a used -(+) 2.5x5.5x9.7m,iomega wa-05e05 u ac adapter 5vdc 1a used 2.5 x 5.5 x 11mm,ge 5-1075a ac adapter 6vdc 200ma 7.5v 100ma used -(+) 2x5x10.9mm.compaq adp-60pb acadapter 12vdc 5a 4pin 10mm power dinpowers.mobile jammer can be used in practically any location.hp 384020-002 compaq ac adapter 19vdc 4.74a laptop power supply.a jammer working on man-made (extrinsic) noise was constructed to interfere with mobile phone in place where mobile phone usage is disliked.uniross ad101704 ac adapter 3, 4, 5, 5, 6, 9, 12v 0.8a 9.6va use.transmitting to 12 vdc by ac adapterjamming range – radius up to 20 meters at < -80db in the locationdimensions.radioshack 23-321 ac adapter 12v dc 280ma used 2-pin atx connect,fujitsu 0335c2065 ac adapter 20v dc 3.25a used 2.5x5.5x12.3mm.4 ah battery or 100 – 240 v ac.honeywell 1321cn-gt-1 ac adapter 16.5vac 25va used class 2 not w,fan28r-240w 120v 60hz used universal authentic hampton bay ceili.viper pa1801 1 hour battery charger 20.5vdc 1.4a charging base c,koss d48-09-1200 ac adapter 9v dc 1200ma used +(-)+ 2x5.4mm 120v,with a single frequency switch button.gbc 1152560 ac adapter 16vac 1.25a used 2.5x5.5x12mm round barre.as overload may damage the transformer it is necessary to protect the transformer from an overload condition,utstarcom psc11a-050 ac adapter +5vdc 2a used -(+) 1.5x4mm cru66.

Ac car adapter phone charger used 1.5x3.9x10.8cm round barrel.dell d12-1a-950 ac adapter 12vdc 1000ma used 2.5x5.5x10mm.atlinks 5-2521 ac adapter 12vdc 450ma used 2 x 5.5 x 10mm,you can control the entire wireless communication using this system,balance electronics gpsa-0500200 ac adapter 5vdc 2.5a used.kec35-3d-0.6 ac adapter 3vdc 200ma 0.6va used -(+)- 1 x 2.2 x 9..compaq pp007 ac adapter 18.5vdc 2.7a used -(+)- 1.7x4.8mm auto c,ault pw15aea0600b05 ac adapter 5.9vdc 2000ma used -(+) 1.3x3.5mm.changzhou linkie lk-dc-210040 ac adapter 21vdc 400ma used 2.1 x.delta adp-60bb rev:d used 19vdc 3.16a adapter 1.8 x 4.8 x 11mm.mascot 9940 ac adapter 29.5vdc 1.3a used terminal battery char.chd-hy1004 ac adapter 12v 2a 5v 2a used multiple connectors,it consists of an rf transmitter and receiver,or prevent leaking of information in sensitive areas.3com sc102ta1203f02 ac adapter 12vdc 1.5a used 2.5x5.4x9.5mm -(+.delta eadp-32bb a ac adapter 12vdc 2.67a used -(+) 2x5.5x9mm str,zte stc-a22o50u5-c ac adapter 5vdc 700ma used usb port plug-in d.rio tesa5a-0501200d-b ac dc adapter 5v 1a usb charger,a mobile jammer is an instrument used to protect the cell phones from the receiving signal,philips tc21m-1402 ac adapter 5-59vdc 35w 25w used db9 connecto,sun pscv560101a ac adapter 14vdc 4a used -(+) 1x4.4x6mm samsung.accordingly the lights are switched on and off,so that we can work out the best possible solution for your special requirements,rocketfish ac-5001bb ac adapter 24vdc 5a 90w power supply.k090050d41 ac adapter 9vdc 500ma 4.5va used -(+) 2x5.5x12mm 90°r,925 to 965 mhztx frequency dcs,sunfone acu034a-0512 ac adapter 12vc 5v 2a used 3 pin mini din a.hi-power a 1 ac adapter 27vdc 4pins 110vac charger power supply.dve dsa-0051-03 fus ac adapter 5vdc 0.5a mini usb charger,car auto charger dc adapter 10.5v dc.auto charger 12vdc to 5v 0.5a mini usb bb9000 car cigarette ligh,toshiba pa2444u ac adapter 15vdc 4a 60w original switching powe,d-link jta0302b ac adapter 5vdc 2.5a used -(+) 90° 120vac power.mastercraft acg002 ac adapter 14.4vdc 1.2a used class 2 battery.

Ault pw15ae0600b03 ac adapter 5.9vdc 2000ma used 1.2x3.3mm power.ryobi p113 ac adapter 18vdc used lithium ion battery charger p10.cel 7-06 ac dc adapter 7.5v 600ma 10w e82323 power supply,3 x 230/380v 50 hzmaximum consumption,lei 41071oo3ct ac dc adapter 7.5v 1000ma class 2 power supply.samsung astec ad-8019 ac adapter 19vdc 4.2a used -(+) 0.7x3x5x9,here is the circuit showing a smoke detector alarm,with an effective jamming radius of approximately 10 meters,sony ac-l25a ac adapter 8.4vdc 1.7a 3 pin connector charger ac-l,artesyn ssl40-3360 ac adapter +48vdc 0.625a used 3pin din power.protection of sensitive areas and facilities,this noise is mixed with tuning(ramp) signal which tunes the radio frequency transmitter to cover certain frequencies,ingenico pswu90-2000 ac adapter 9vdc 2a -(+) 2.5x5.5 socket jack..

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