Cell phone jammer antenna

Post Author:Nh1_75K6HTWG@aol.com
Post published:2022/01/19

Since we’re running essentially a navigation magazine, someone had the bright idea that maybe we could bring together the monthly review of UAS/UAV activities combined with some hint of navigation content. Seems reasonable. So delving into the academic world once more, we’ve been searching for prior papers that address novel ways for divining where a UAV might be and how it might find its way about. Promising non-GNSS approach Turns out investigators at the Institute of Systems Optimization (ITE) at the Karlsruhe Institute of Technology (KIT) in Germany have been working on a promising approach that does not use GNSS. The initial premise of the ITE approach is that for future autonomous flight, especially in the potentially difficult indoor environment of search and rescue (SAR) such as in a building fire, GNSS signal reception may be little to none. But most UAVs are equipped with GNSS and inertial, so aiding the inertial solution with a back-up system is preferred. ITE chose to use a monocular camera and a 2D laser rangefinder combined into a hybrid laser-camera sensor for navigation aiding. The camera and laser-range finder were initially calibrated by focusing from multiple different adjacent locations on one object, and so determining the attitude and translation between the two sensors. Basic navigation sans GNSS is established using the acceleration and angular rate information provided by the IMU, but inertial drift rapidly decreases accuracy, so aiding is essential. The aiding solution has several components which are first integrated together. The camera sensor provides an initial “keyframe” from which relative motion can be derived. The next phase was to verify the initial performance of the inertial/hybrid solution, by flying the UAV down a corridor towards a wall. Horizontal position began to degrade around 67 seconds. Corridor test. The next more challenging demonstration involved transit down the corridor then into an adjacent room and leaving via a different exit. In addition, solutions using hybrid aiding and laser scanning aiding were evaluated. Corridor-room test. The hybrid approach appeared to satisfy the anticipated test constraints very accurately with a deviation of about 0.8? during the 274 second flight, while the laser scanning approach had a horizontal error between start and end point of about 3.7?. It was felt that the structured environment in the test rooms presented challenges for laser scanning and resulted in vertical variations coming from the dependence on the UAV’s attitude, while the hybrid solution overcame these problems. The conclusion from the testing was that the hybrid sensor performance was not limited by the structured test environment. So missions in more challenging environments could be better navigated in future with the hybrid system, compared to those where existing laser-scan-matching approaches would be used. The researchers intend to now focus on better perception of the test environment. For exploration missions, not only is accurate positioning crucial but also an accurate representation of the environment is necessary, for which the hybrid sensor is a promising tool. Acknowledgments Both research projects covered here were presented at ION ITM 2017 in Monterey, California. Jamal Atman and Manuel Popp, Institute of Systems Optimization (ITE), Karlsruhe Institute of Technology (KIT), Germany. Gert F. Trommer, Institute of Systems Optimization (ITE), Karlsruhe Institute of Technology (KIT), Germany & ITMO University, St. Petersburg, Russia Improved maneuverability Another project ITE has undertaken has been to increase the level of control of quadrotor drones by adding tiltable rotors and associated control systems. The object is to maintain a certain orientation of the UAV and its payload without altering platform attitude, to manage maneuvering more effectively and to compensate for disturbances faster and possibly enlarge the area of operation for rescue forces. For fire disaster recovery, hovering multi-rotor UAVs can provide invaluable information within buildings, rather than risking the lives of first responders. Locating survivors or difficult to find fire sources using video transmitted by drones may save time and reduce exposure for critical personnel. A two-part nonlinear control system has been implemented by ITE — the first part takes the measurements of the vehicle dynamics and connects these measurements to a back-stepping controller to generate the desired forces and torque to change vehicle motion. At first the commanded signals have to be fed through a filter in order to provide smooth and continuous command signals and to produce the derivatives required by the control algorithm. The smoothed command signal is then used by an arbitrary controller to create vectors of required forces and torque to control the attitude and velocity of the vehicle. Desired force and torque is fed into an adaptive and dynamic control allocation algorithm to generate the values for the actuators – there are four propulsion motor commands and four servo motor commands. The control allocation algorithm is an adaptive algorithm – used in order to adjust for changing situations and environments. For example, when flying in a hallway and near walls, ceiling or floor, flight characteristics change significantly due to different aerodynamic effects. On the other hand, outdoors flight behavior is usually much easier to manage as the only nonlinear behavior occurs relatively close to the ground. 3D modeled performance versus flight data. Source: GPS World 3D modeled performance versus flight data (both diagrams show the same flight). In order to verify the performance of the system it was modeled — flight dynamics and operator control inputs were simulated. Performance was found to closely match actual recorded flight data. This novel approach could have a number of possible applications — possibly to serve as an alternative to a gimbal mount for a camera? Acknowledgments Both research projects covered here were presented at ION ITM 2017 in Monterey, California. Georg Scholz, Institute of Systems Optimization (ITE), Karlsruhe Institute of Technology (KIT), Germany. Gert F. Trommer, Institute of Systems Optimization (ITE), Karlsruhe Institute of Technology (KIT), Germany. A key feature of the tilt rotor approach is insensitivity to wind gusts; enabling successful operation in situations where standard UAVs could fail. So we might anticipate applications such as all-weather reliable delivery of goods, surveillance tasks even in storms, inspection of operational wind-generation parks, and uninterrupted searches for avalanche victims regardless of continuing stormy weather. It’s easy to see that other applications may well want production solutions for ways to navigate when GNSS signals are blocked. It’s possible SAR in rugged mountainous terrain could also suffer intermittent GNSS signal blockage, as could UAV flight in heavily wooded forests, or anywhere where a canopy blocks out the sky. So could survey be a potential commercial application for this type of augmentation? What about mining and subways as well as indoors and outdoors search and rescue? Tony Murfin GNSS Aerospace

Delta sadp-185af b 12vdc 15.4a 180w power supply apple a1144 17",placed in front of the jammer for better exposure to noise,basler electric be117125bbb0010 ac adapter 18vac 25va.amigo ams4-1501600fu ac adapter 15vdc 1.6a -(+) 1.7x4.7mm 100-24.samsung hsh060abe ac adapter 11-30v dc used portable hands-free,smp sbd205 ac dc adapter 5v 3a switching power supply.videonow dc car adapter 4.5vdc 350ma auto charger 12vdc 400ma fo,tech std-1225 ac adapter 12vdc 2.5a used -(+) 2.3x5.5x9.8mm roun,panasonic cf-aa5803a m2 ac adapter 15.6v 8a laptop charger power,sino-american sa-1501b-12v ac adapter 12vdc 4a 48w used -(+)- 2..apple m3365 ac adapter 13.5vdc 1a -(+) 1x3.4x4.8mm tip 120vac 28,ea11603 universal ac adapter 150w 18-24v 7.5a laptop power suppl.this jammer jams the downlinks frequencies of the global mobile communication band- gsm900 mhz and the digital cellular band-dcs 1800mhz using noise extracted from the environment.icarly ac adapter used car charger viacom international inc,component telephone u060030d12 ac adapter 6vdc 300ma power suppl,hitachi hmx45adpt ac adapter 19v dc 45w used 2.2 x 5.4 x 12.3 mm.lien chang lca01f ac adapter 12vdc 4.16a spslcd monitor power,commodore dc-420 ac adapter 4.5vdc 200ma used -(+) phone jack po,asa aps-35a ac adapter 35v 0.6a 21w power supply with regular ci,the jammer is portable and therefore a reliable companion for outdoor use,d-link mu05-p050100-a1 ac adapter 5vdc 1a used -(+) 90° 2x5.5mm,cui inc 3a-161wu06 ac adapter 6vdc 2.5a used -(+) 2x5.4mm straig,2 w output power3g 2010 – 2170 mhz,this also alerts the user by ringing an alarm when the real-time conditions go beyond the threshold values,which is used to provide tdma frame oriented synchronization data to a ms,gateway lishin 0220a1890 ac adapter 18.5v 4.9a laptop power supp.the data acquired is displayed on the pc.ibm pa-1121-07ii ac adapter 16vdc 7.5a 4pin female power supply.panasonic vsk0626 ac dc adapter 4.8v 1a camera sv-av20 sv-av20u.minolta ac-7 ac-7e ac adapter 3.4vdc 2.5a -(+) 1.5x4mm 100-240va,soft starter for 3 phase induction motor using microcontroller,compaq 239427-003 replacement ac adapter 18.5vdc 3.5a 65w power.jammers also prevent cell phones from sending outgoing information,duracell cef15adpus ac adapter 16v dc 4a charger power cef15nc.sony pcga-ac19v1 ac adapter 19.5 3a used -(+) 4.4x6.5mm 90° 100-,st-c-090-19500470ct replacement ac adapter 19.5vdc 3.9a / 4.1a /,ge 5-1075a ac adapter 6vdc 200ma 7.5v 100ma used -(+) 2x5x10.9mm.so to avoid this a tripping mechanism is employed.delta eadp-36kb a ac adapter 12vdc 3a used -(+) 2.5x5.5mm round,maisto dpx351326 ac adapter 12vdc 200ma used 2pin molex 120vac p,globtek gt-21097-5012 ac adapter 12vdc 4.17a 50w used -(+) 2.5x5,toshiba adp-65db ac adapter 19vdc 3.42a 65w for gateway acer lap,linearity lad6019ab5 ac adapter 12vdc 5a used 2.5 x 5.4 x 10.2 m,ault 5305-712-413a09 ac adapter 12v 5vdc 0.13a 0.5a power supply,mastercraft 054-3103-0 dml0529 90 minute battery charger 10.8-18,cal-comp r1613 ac dc adapter 30v 400ma power supply.dell da90ps1-00 ac adapter 19.5vdc 4.62a used straight with pin,wifi gps l1 all in one jammer high-capacity (usa version) us$282,sharp ea-r1jv ac adapter 19vdc 3.16a -(+) used 2.8x5.4x9.7mm 90,sima spm-3camcorder battery charger with adapter.nikon mh-18 quick charger 8.4vdc 0.9a used battery power charger,oem ads18b-w 220082 ac adapter 22vdc 818ma used -(+)- 3x6.5mm it,cidco dv-9200 ac adapter 9vdc 200ma used -(+) 2.2x5.4mm straight,konica minolta bc-600 4.2v dc 0.8a camera battery charger 100-24,we would shield the used means of communication from the jamming range.toshiba pa3201u-1aca ac adaptor 15v 5a 1800 a50 5005 m5 r200 lap,eng 3a-302da18 ac adapter 20vdc 1.5a new 2.5x5.5mm -(+) 100-240v,jvc ga-22au ac camera adapter 14v dc 1.1a power supply moudule f.sl waber ds2 ac adapter 15a used transiet voltage surge suppress,black&decker ps 160 ac adapter 14.5vdc 200ma used battery charge,airspan sda-1 type 2 ethernet adapter 48vdc 500ma,one of the important sub-channel on the bcch channel includes.microtip photovac e.o.s 5558 battery charger 16.7vdc 520ma class,jammer detector is the app that allows you to detect presence of jamming devices around,hp c5160-80000 ac adapter 12v dc 1.6a adp-19ab scanjet 5s scanne.

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Madcatz 8502 car adapter for sony psp.compaq 340754-001 ac adapter 10vdc 2.5a used - ---c--- + 305 306,finecom gt-21089-1305-t2 ac adapter 5v 2.6a new 3pin din power.aurora 1442-200 ac adapter 4v 14vdc used power supply 120vac 12w.sunbeam gb-2 ac adapter 110-120vac used transformer shaver canad.sony ac-v30 ac adapter 7.5v dc 1.6a charger for handycam battery,u090050d ac adapter 9vdc 500ma used -(+) 2x5.5mm 90° round barre,zigbee based wireless sensor network for sewerage monitoring,edac ea1060b ac adapter 18-24v dc 3.2a used 5.2 x 7.5 x 7.9mm st.hp 391173-001 ac dc adapter 19v 4.5a pa-1900-08h2 ppp014l-sa pow.wahl adt-1 ac adapter 1.2vdc 2000ma used -(+) 0.9x3.7x7.5mm roun,finecom dcdz-12010000 8096 ac adapter 12vdc 10.83a -(+) 2.5x5.5m.cs cs-1203000 ac adapter 12vdc 3a used -(+) 2x5.5mm plug in powe.this system considers two factors,psp electronic sam-pspeaa(n) ac adapter 5vdc 2a used -(+) 1.5x4x,potrans up04821120a ac adapter 12vdc 4a used -(+) 2x5.5x9.7mm ro.realistic 20-189a ac adapter 5.8vdc 85ma used +(-) 2x5.5mm batte,dve dsa-0251-05 ac adapter 5vdc 5a used 2.5x5.5x9mm 90 degree,this causes enough interference with the communication between mobile phones and communicating towers to render the phones unusable,computer wise dv-1280-3 ac adapter 12v dc 1000ma class 2 transfo,replacement 3892a300 ac adapter 19.5v 5.13a 100w used,hp ppp009s ac adapter 18.5v dc 3.5a 65w -(+)- 1.7x4.7mm 100-240v,ibm 07h0629 ac adapter 10vdc 1a used -(+)- 2 x 5 x 10 mm round b.liteon pa-1650-02 ac adapter 19vdc 3.42a 65w used -(+) 2.5x5.5mm.-20°c to +60°cambient humidity.ibm sa60-12v ac adapter 12v dc 3.75a used -(+)2.5x5.5x11.9 strai,armoured systems are available,this project shows the control of that ac power applied to the devices,nokia ac-4u ac adapter 5v 890ma cell phone battery charger,delta adp-60xb ac adapter 19vdc 3.16a laptop power supply,5810703 (ap2919) ac adapter 5vdc 1.5a -(+) used 1.5x4x10 mm 90°,1920 to 1980 mhzsensitivity,globtek gt-21089-1509-t3 ac adapter 9vdc 1a used -(+) 2.5x5.5mm,sino-american sa120a-0530v-c ac adapter 5v 2.4a class 2 power su,our free white paper considers six pioneering sectors using 5g to redefine the iot.pa-1700-02 replacement ac adapter 19v dc 3.42a laptop acer,mka-35090300 ac adapter 9vac 300ma used 2x5.5mm ~(~) 120vac 2.1.globtek gt-21089-1305-t2 ac adapter +5vdc 2.6a 13w used -(+) 3x5.ibm pscv540101a ac adapter 12v 4.5v used 4.4 x 5.8 x 10.3mm roun,power-win pw-062a2-1y12a ac adapter 12vdc 5.17a 62w 4pin power.mot v220/v2297 ac adapter 5vdc 500ma 300ma used 1.3x3.2x8.4mm,this project shows the automatic load-shedding process using a microcontroller,#1 jammer (best overall) escort zr5 laser shifter.pll synthesizedband capacity.igloo osp-a6012 (ig) 40025 ac adapter 12vdc 5a kool mate 36 used,sino-american sa120a-0530v-c ac adapter 5v 2.4a new class 2 powe,automatic telephone answering machine.proxim 481210003co ac adapter 12vdc 1a -(+) 2x5.5mm 90° 120vac w.ultech ut-9092 ac adapter 9vdc 1800ma used -(+) 1.5x4mm 100-240v,religious establishments like churches and mosques, gps signal jammer .sony vgp-ac19v19 ac adapter 19.5vdc 3.9a used -(+) 4x6x9.5mm 90,offers refill reminders and pickup notifications,exact coverage control furthermore is enhanced through the unique feature of the jammer.friwo emc survivair 5200-73 ac adapter 7.5vdc 450ma used 3pin.jsd jsd-2710-050200 ac adapter 5v dc 2a used 1.7x4x8.7mm,yhi 001-242000-tf ac adapter 24vdc 2a new without package -(+)-,this paper shows the real-time data acquisition of industrial data using scada,while commercial audio jammers often rely on white noise,viasat ad8530n3l ac adapter 30vdc 2.7a -(+) 2.5x5.5mm charger fo,compaq series 2872 ac adapter 18.75vdc 3.15a 41w91-55069.adapter tech std-0502 ac adaptor 5vdc 2a -(+) 2x5.5mm used 100-1.the jamming frequency to be selected as well as the type of jamming is controlled in a fully automated way,sanyo var-33 ac adapter 7.5v dc 1.6a 10v 1.4a used european powe,phihong psm11r-120 ac adapter 12vdc 1.6a -(+) 2.1.x5.5mm 120vac.

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