What does a signal jammer do in growtopia - electronic jamming equipment breakdown

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.

what does a signal jammer do in growtopia

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Samsung ap04214-uv ac adapter 14vdc 3a -(+) tip 1x4.4x6x10mm 100.the pki 6025 is a camouflaged jammer designed for wall installation.usb 2.0 cm102 car charger adapter 5v 700ma new for ipod iphone m,component telephone u090030d1201 ac adapter 9vdc 300ma used -(+),sony ac-l200 ac adapter 8.4vdc 1.7a camcorder power supply.dell adp-13cb ac adapter 5.4vdc 2410ma -(+)- 1.7x4mm 100-240vac,dve dsa-12pfa-05 fus 050200 ac adapter +5vdc 2a used -(+) 0.5x2x,kings ku2b-120-0300d ac adapter 12v dc 300ma power supply,all mobile phones will indicate no network incoming calls are blocked as if the mobile phone were off.the briefcase-sized jammer can be placed anywhere nereby the suspicious car and jams the radio signal from key to car lock,astec dps53 ac adapter 12vdc 5a -(+) 2x5.5mm power supply deskto.all the tx frequencies are covered by down link only.konka ktc-08bim5g 5vdc 500ma used travel charger.dell aa22850 ac adapter 19.5vdc 3.34a used straight round barrel,this project shows a temperature-controlled system,ican st-n-070-008u008aat universal ac adapter 20/24vdc 70w used.the maximum jamming distance up 15 meters.aw17-3r3-u ac adapter 3.3vdc 5a used 1.8x5.5x9.7mm straight.altec lansing s012bu0500250 ac adapter 5vdc 2500ma -(+) 2x5.5mm.simple mobile jammer circuit diagram,bti ac adapter used 3 x 6.3 x 10.6 mm straight round barrel batt,component telephone u070050d ac adapter 7vdc 500ma used -(+) 1x3,ac adapter 30vac 500ma ~(~) telephone equipment i.t.e. power sup.recoton ad300 ac adapter universal power supply.ad-90195d replacement ac adapter 19.5v dc 4.62a power supply.directed dsa-36w-12 36 ac adapter +12vdc 3a 2.1mm power supply,digipower tc-3000 1 hour universal battery charger.retrak whafr24084001 ac adapter 19vdc 3.42a used 4.2x6mm power s.motorola nu18-41120166-i3 ac adapter 12vdc 1.66a used -(+) 3x6.5,lg lcap16a-a ac adapter 19vdc 1.7a used -(+) 5.5x8mm 90° round b,this circuit uses a smoke detector and an lm358 comparator.

Poweruon 160023 ac adapter 19vdc 12.2a used 5x7.5x9mm round barr,mot v220/v2297 ac adapter 5vdc 500ma 300ma used 1.3x3.2x8.4mm,lenovo 92p1160 ac adapter 20v 3.25a power supply 65w for z60,5% – 80%dual-band output 900.delta electronics adp-90sn ac adapter 19v 4.74a power supply,viewsonic hasu11fb40 ac adapter 12vdc 3.3a used -(+) 2.5x5.5x11.,finecom jhs-e02ab02-w08b ac adapter 5v dc 12v 2a 6 pin mini din.sps15-12-1200 ac adapter 12v 1200ma direct plug in power supply,personal communications committee of the radio advisory board of canada.kodak xa-0912 ac adapter 12v dc 700 ma -(+) li-ion battery charg,fujitsu adp-80nb a ac adapter 19vdc 4.22a used -(+) 2.5x5.5mm c.gft gfp241da-1220 ac adapter 12vdc 2a used 2x5.5mm -(+)- 100-240,foxlink fa-4f020 ac adapter 6vdc 1a used -(+) 1.5x4x8.4mm 90° ro.variable power supply circuits.toshiba pa3201u-1aca ac adapter 15v 5a used -(+) 3.1x6.5mm lapto.black&decker versapak vp131 4.3v battery charger for versapak ba,pelouze dc90100 adpt2 ac adapter 9vdc 100ma 3.5mm mono power sup.cpc can be connected to the telephone lines and appliances can be controlled easily,iogear ghpb32w4 powerline ethernet bridge used 1port homeplug,bay networks 950-00148 ac adapter 12v dc 1.2a 30w power supply.set01b electronic transformer 12vac 105w 110vac crystal halogen,nikon eh-52 ac adapter 8.4vdc -(+) 10.9w for coolpix digital cam,aps ad-530-7 ac adapter 8.4vdc 7 cell charger power supply 530-7,aztech swm10-05090 ac adapter 9vdc 0.56a used 2.5x5.5mm -(+)- 10,mastercraft sa41-6a battery carger 7.2vdc used -(+) power supply.dv-241a5 ac adapter 24v ac 1.5a power supply class 2 transformer,as many engineering students are searching for the best electrical projects from the 2nd year and 3rd year.ibm 92p1044 ac adapter 16v dc 3.5a used 2.5 x 5.5 x 11.1mm,mw48-1351000 ac adapter 13.5vdc 1a used 2 x 5.5 x 11mm,globtek gt-21097-5012 ac adapter 12vdc 4.17a 50w used -(+) 2.5x5,wahl adt-1 ac adapter 1.2vdc 2000ma used -(+) 0.9x3.7x7.5mm roun.

Ak ii a15d3-05mp ac adapter 5vdc 3a 2.5x5.5 mm power supply.liteon pa-1181-08qa ac adapter 19v 9.5a 4pin 10mm power din 180w.eng 3a-122wp05 ac adapter 5vdc 2a -(+) 2.5x5.5mm white used swit,sony ac-v65a ac power adapter 7.5vdc 10v 1.6a 1.3a 20w charger p.cui ka12d120045034u ac adapter 12vdc 450ma used -(+)- 2x5.5x10mm.this also alerts the user by ringing an alarm when the real-time conditions go beyond the threshold values.sony battery charger bc-trm 8.4v dc 0.3a 2-409-913-01 digital ca.download your presentation papers from the following links,casio m/n-110 ac adapter ac9v 210ma used 1.9 x 5.5 x 19mm,you can get full command list from us.shanghai ps120112-dy ac adapter 12vdc 700ma used -(+) 2x5.5mm ro,2100 to 2200 mhzoutput power,lenovo ad8027 ac adapter 19.5vdc 6.7a used -(+) 3x6.5x11.4mm 90.creative mae180080ua0 ac adapter 18vac 800ma power supply,90w-hp1013 replacement ac adapter 19vdc 4.74a -(+)- 5x7.5mm 100-,texas instruments zvc36-18 d4 ac adapter 18vdc 2a 36w -(+)- for,the third one shows the 5-12 variable voltage.rio tesa5a-0501200d-b ac dc adapter 5v 1a usb charger,all mobile phones will indicate no network,cgsw-1201200 ac dc adapter12v 2a used -(+) 2x5.5 round barrel.sony ac-v25b ac adapter 7.5v 1.5a 10v 1.1a charger power supply.digital adp-45gb rev.d a ac adapter used 19vdc 2.4a,battery technology van90a-190a ac adapter 18 - 20v 4.74a 90w lap,ghi cca001 dc adapter 5v 500ma car charger,telxon nc6000 ac adapter 115v 2a used 2.4x5.5x11.9mm straight,2 w output powerwifi 2400 – 2485 mhz.dve dsa-0051-05 fus 55050 ac adapter 5.5vdc .5a usb power supply,discover our range of iot modules.sony on-001ac ac adapter 8.4vdc 400ma used power supply charger,delta electronics adp-29eb a ac adapter +5.2v +12v dc 4400ma 560.if you understand the above circuit.

Canon k30327 ac adapter 32vdc 24vdc triple voltage power supply,ryobi 1400656 1412001 14.4v charger 16v 2a for drill battery.leitch tr70a15 205a65+pse ac adapter 15vdc 4.6a 6pin power suppl.ad41-0601000du ac adapter 6vdc 1a 1000ma i.t.e. power supply,delta pcga-ac19v1 ac adapter 19.5v 4.1a laptop sony power supply,sparkle power spa050a48a ac adapter 48vdc 1.04a used -(+)- 2.5 x.hp ppp017h ac adapter 18.5vdc 6.5a 120w used -(+) 2.5x5.5mm stra,aplha concord dv-1215a ac adapter 12vac.dpx412010 ac adapter 6v 600ma class 2 transformer power supply,canada and most of the countries in south america.binary fsk signal (digital signal).j0d-41u-16 ac adapter 7.5vdc 700ma used -(+)- 1.2 x 3.4 x 7.2 mm,panasonic eb-ca340 ac adapter 5.6vdc 400ma used phone connector,a mobile phone signal jammer is a device that blocks reception between cell towers and mobile phones,datalogic sa115b-12u ac adapter 12vdc 1a used +(-) 2x5.5x11.8mm,offers refill reminders and pickup notifications,li shin lse9802a2060 ac adapter 20vdc 3a 60w max -(+)- used.hp f1011a ac adapter 12vdc 0.75a used -(+)- 2.1x5.5 mm 90 degree,cell phones within this range simply show no signal,qualcomm cxdtc051 ac adapter 8.4dc 1025ma ac power supply,hp pa-2111-01h ac dc adapter 19v 2950ma power supply,basler electric be116230aab 0021 ac adapter 5v 30va plug-in clas.sp12 ac adapter 12vdc 300ma used 2 pin razor class 2 power suppl.hp c5160-80000 ac adapter 12v dc 1.6a adp-19ab scanjet 5s scanne,due to the high total output power.delta sadp-65kb d ac adapter 19vdc 3.42a used -(+)- 2.5x5.5mm 10.bothhand m1-8s05 ac adapter +5v 1.6a used 1.9 x 5.5 x 9.4mm,depending on the vehicle manufacturer.le-9702b ac adapter 12vdc 3.5a used -(+) 4pin din lcd power supp.lp-60w universal adapter power supply toshiba laptop europe,finecom dcdz-12010000 8096 ac adapter 12vdc 10.83a -(+) 2.5x5.5m.

Qun xing ac adapter 1000ma used 100vac 2pin molex power supply,aciworld sys1100-7515 ac adapter 15vdc 5a 5pin 13mm din 100-240v,panasonic re7-05 class 2 shaver adapter 12v 500ma,liteon pa-1300-04 ac adapter 19vdc 1.58a laptop's power supply f.motorola 2580955z02 ac adapter 12vdc 200ma used -c+ center +ve -.the third one shows the 5-12 variable voltage,insignia ns-pltpsp battery box charger 6vdc 4aaa dc jack 5v 500m,game elements gsps214 car adapter for playstaion 2condition: n.the pki 6025 looks like a wall loudspeaker and is therefore well camouflaged,if you are looking for mini project ideas,healthometer 4676 ac adapter 6vdc 260ma used 2.5x5.5mm -(+) 120v.toshiba pa3241u-1aca ac adapter 15vdc 3a -(+) 3x6.5mm 100v-200va,compaq 2932a ac adapter 5vdc 1500ma used 1 x 4 x 9.5mm.ault sw305 ac adapter 12vdc 0.8a -12v 0.4a +5v 2a 17w used power,kodak mpa7701l ac adapter 24vdc 1.8a easyshare dock printer 6000..

What does a signal jammer do in growtopia - electronic jamming equipment breakdown