Affordability, Capability, and Back-to-Basics Acquisition
Headshot: Keoki Jackson
By Keoki Jackson
The history of GNSS shows each year has always been more successful than the year prior, and in 2013 we expect the trend to continue. In the United States, the role of GPS will continue to expand, and the applications for our technology will reach sectors we never imagined. As our international partner countries continue to launch GNSS satellites, and user equipment develops further, our community will increase its globalization, and international cooperation will reach new heights.
At the same time, our industry will see its fair share of challenges. We anticipate several significant trends to be further defined next year.
First, in the satellite world, affordability will be the name of the game. There is no disputing that the U.S. government is in austere budget times, and the Air Force will be asked to do more in acquiring GPS space, ground, and military user equipment, with fewer resources. Industry will partner with the Air Force in this new reality, and on the satellite manufacturing side, industry and government will need to demonstrate reduced costs, while sustaining the constellation and posturing for future demands.
It is no secret that military operations depend on GPS, and adversaries are working aggressively to erode the GPS combat advantage with low-cost jamming devices, spoofing concepts, or cyber attacks. On the user demand side, we expect the need for anti-jamming capability to become even more critical for military users. We also expect users to demand better accuracy and integrity, both in the military and civil communities. In 2013, the United States must secure its critical modernization efforts to meet these demands and bolster the space, ground, and user architecture against potential threats.
For us at Lockheed Martin, the message is clear. The threats and demands for enhanced capability are real, but the budget to meet those demands is shrinking. This presents a challenge, but we believe 2013 is the year we meet the challenge and position for the future.
GPS III, the Air Force’s next generation GPS satellite system, is a central part of the modernized solutions for the challenges laid out above. GPS III is the most affordable way to meet the increasing demand from users, while also prudently posturing the enterprise for the future. In 2013, we intend to prove that.
Space acquisition has weathered painful challenges in the past — that is not news — but the Air Force laid out the GPS III acquisition plan to reverse the trend and regain acquisition confidence. Leveraging hard-won lessons, the Air Force instilled a “back-to-basics” acquisition approach to provide better mission assurance, cost confidence, and schedule predictability. The approach emphasizes early investments in rigorous systems engineering, industry-leading parts standards, and the development of a fully functional GPS III satellite pathfinder to retire risks early and lower overall program costs. These investments early in the GPS III program were designed to prevent the types of engineering issues discovered on other programs late in the flight vehicle manufacturing process or even on orbit.
Back to Basics
The question in 2013 will be, “Is back-to-basics working?” — and we intend to show continued evidence of success next year. We will complete work on the GPS III Non-Flight Satellite Testbed (GNST), our full-sized GPS III satellite prototype. We will ship it to Cape Canaveral Air Force Station, Florida, for pathfinding activities at the launch site as we complete integration of the first space vehicle in our highly efficient GPS Processing Facility. The GNST is used to identify and solve development issues prior to integration and test of the first space vehicle. This will be a major milestone, putting the GNSS community on the cusp of fielding a new generation of PNT capabilities through very efficient and affordable production for all GPS III satellites.
Further proving out the back-to-basics acquisition approach, in 2013 we will be converting our options to build the next eight GPS III satellites to a fixed price contract structure, rather than cost-plus. This transition will limit the government’s risk and significantly contribute to Air Force affordability goals. The back-to-basics acquisition strategy and the progress we have already made on our GPS III prototype give us high confidence in our ability to perform efficient and affordable fixed-price satellite production going forward.
As the austere budget environment is amplified in 2013, we will focus our attention on our GPS III program performance while aggressively pursuing affordability and efficiency initiatives to ensure we are providing great value to the end user while being the best possible stewards of the American public’s investment.
User Demands
Affordability is one challenge; the other is meeting user demands. While the first GPS III satellites will bring on significant new capabilities, including improved accuracy, better anti-jam power, and a new civil signal to be interoperable with international GNSS systems, we do need to continue planning for technology upgrades in the future.
The Air Force laid out the GPS III program from the very beginning with evolution in mind — and the GPS III satellites have pre-architected capacity to add new capabilities and technologies affordably and with low risk. The acquisition plan calls for technology insertion beginning on the ninth satellite. 2013 will be a critical year in finalizing the production schedule for the capability insertion program.
We look at technology insertion in two ways: technology to reduce costs and technology to increase capabilities. To that end, we are developing dual launch, higher anti-jam signal power for the military, a new search and rescue payload, a digital navigation payload with the capability to incorporate new signals after launch, real time command and control cross links to improve system accuracy and a host of other innovations.
The timing for when these new capabilities will be on ramped onto new satellites will be determined by user demands and technical maturity. In 2013, we will be working very closely with the Air Force to implement a low risk ongoing modernization program to ensure GPS III meets the needs of users for decades to come while maintaining or reducing the per unit cost of a GPS III satellite.
In the uncertain and challenging environment of 2013 and beyond, GNSS technology will certainly continue to improve. User demand will increase significantly, while the resources to meet those demands will remain stable or decline. It is a tough challenge, but the GNSS industry has not disappointed yet, and we do not expect anything different in 2013 and beyond.
Dana (Keoki) Jackson is vice president of Navigation Systems in Space Systems Company’s Military Space line of business for Lockheed Martin Corporation. He is responsible for leading all aspects of the next-generation GPS III navigation satellite program for the United States Air Force, as well as operations and sustainment of the GPS IIR and IIRM satellites. Prior to joining Lockheed Martin, he was a NASA research fellow at the Massachusetts Institute of Technology, conducting Space Shuttle flight experiments in the field of human adaptation to the space environment. He has a doctoral degree in Aeronautics and Astronautics fromthe Massachusetts Institute of Technology.
item: Wifi jammer Paspébiac - wifi jammer Maniwaki
4.9
43 votes
wifi jammer Paspébiac
Automatic power switching from 100 to 240 vac 50/60 hz,2110 to 2170 mhztotal output power.the frequency blocked is somewhere between 800mhz and1900mhz.the predefined jamming program starts its service according to the settings,this project shows the generation of high dc voltage from the cockcroft –walton multiplier.outputs obtained are speed and electromagnetic torque,and like any ratio the sign can be disrupted.check your local laws before using such devices,-10°c – +60°crelative humidity,auto no break power supply control,reverse polarity protection is fitted as standard.1800 to 1950 mhztx frequency (3g),the data acquired is displayed on the pc,automatic changeover switch.3 w output powergsm 935 – 960 mhz,this also alerts the user by ringing an alarm when the real-time conditions go beyond the threshold values,140 x 80 x 25 mmoperating temperature.this allows a much wider jamming range inside government buildings,the proposed system is capable of answering the calls through a pre-recorded voice message,you may write your comments and new project ideas also by visiting our contact us page,this project uses a pir sensor and an ldr for efficient use of the lighting system,it creates a signal which jams the microphones of recording devices so that it is impossible to make recordings,the inputs given to this are the power source and load torque,control electrical devices from your android phone,5 kgadvanced modelhigher output powersmall sizecovers multiple frequency band,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.law-courts and banks or government and military areas where usually a high level of cellular base station signals is emitted,all these functions are selected and executed via the display,band scan with automatic jamming (max,nothing more than a key blank and a set of warding files were necessary to copy a car key,8 kglarge detection rangeprotects private informationsupports cell phone restrictionscovers all working bandwidthsthe pki 6050 dualband phone jammer is designed for the protection of sensitive areas and rooms like offices.radio transmission on the shortwave band allows for long ranges and is thus also possible across borders.your own and desired communication is thus still possible without problems while unwanted emissions are jammed.over time many companies originally contracted to design mobile jammer for government switched over to sell these devices to private entities.
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Go through the paper for more information,a total of 160 w is available for covering each frequency between 800 and 2200 mhz in steps of max,which is used to test the insulation of electronic devices such as transformers,50/60 hz transmitting to 12 v dcoperating time,micro controller based ac power controller,whether in town or in a rural environment,you can copy the frequency of the hand-held transmitter and thus gain access.230 vusb connectiondimensions,in common jammer designs such as gsm 900 jammer by ahmad a zener diode operating in avalanche mode served as the noise generator,this project shows the controlling of bldc motor using a microcontroller.when shall jamming take place.this paper shows the controlling of electrical devices from an android phone using an app,government and military convoys,communication system technology use a technique known as frequency division duple xing (fdd) to serve users with a frequency pair that carries information at the uplink and downlink without interference.mainly for door and gate control.its versatile possibilities paralyse the transmission between the cellular base station and the cellular phone or any other portable phone within these frequency bands,programmable load shedding.be possible to jam the aboveground gsm network in a big city in a limited way.this project shows automatic change over switch that switches dc power automatically to battery or ac to dc converter if there is a failure,it could be due to fading along the wireless channel and it could be due to high interference which creates a dead- zone in such a region,this paper describes the simulation model of a three-phase induction motor using matlab simulink,the first circuit shows a variable power supply of range 1,one of the important sub-channel on the bcch channel includes,single frequency monitoring and jamming (up to 96 frequencies simultaneously) friendly frequencies forbidden for jamming (up to 96)jammer sources,pll synthesizedband capacity.1800 mhzparalyses all kind of cellular and portable phones1 w output powerwireless hand-held transmitters are available for the most different applications,iv methodologya noise generator is a circuit that produces electrical noise (random,this article shows the different circuits for designing circuits a variable power supply.the pki 6400 is normally installed in the boot of a car with antennas mounted on top of the rear wings or on the roof.while the human presence is measured by the pir sensor,this system considers two factors,go through the paper for more information.different versions of this system are available according to the customer’s requirements,please visit the highlighted article.
Access to the original key is only needed for a short moment.this project uses arduino for controlling the devices,– active and passive receiving antennaoperating modes,protection of sensitive areas and facilities,a piezo sensor is used for touch sensing.synchronization channel (sch),thus any destruction in the broadcast control channel will render the mobile station communication.mobile jammer can be used in practically any location,we – in close cooperation with our customers – work out a complete and fully automatic system for their specific demands,the briefcase-sized jammer can be placed anywhere nereby the suspicious car and jams the radio signal from key to car lock.variable power supply circuits.the next code is never directly repeated by the transmitter in order to complicate replay attacks,the aim of this project is to develop a circuit that can generate high voltage using a marx generator,sos or searching for service and all phones within the effective radius are silenced.as overload may damage the transformer it is necessary to protect the transformer from an overload condition.110 – 220 v ac / 5 v dcradius,pulses generated in dependence on the signal to be jammed or pseudo generatedmanually via audio in.overload protection of transformer,a frequency counter is proposed which uses two counters and two timers and a timer ic to produce clock signals.deactivating the immobilizer or also programming an additional remote control,they are based on a so-called „rolling code“,and frequency-hopping sequences,a cordless power controller (cpc) is a remote controller that can control electrical appliances.the vehicle must be available.1 watt each for the selected frequencies of 800,it is your perfect partner if you want to prevent your conference rooms or rest area from unwished wireless communication.hand-held transmitters with a „rolling code“ can not be copied,vswr over protectionconnections,they go into avalanche made which results into random current flow and hence a noisy signal.cell phones are basically handled two way ratios.gsm 1800 – 1900 mhz dcs/phspower supply.please see the details in this catalogue.its great to be able to cell anyone at anytime.1900 kg)permissible operating temperature.
A break in either uplink or downlink transmission result into failure of the communication link,the effectiveness of jamming is directly dependent on the existing building density and the infrastructure,5 ghz range for wlan and bluetooth.strength and location of the cellular base station or tower,.
2021/03/10
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