eLoran Gets Trials, Possibly a New Life As result of a Cooperative Research and Development Agreement (CRADA) between the U.S. Coast Guard and UrsaNav, Inc., on-air tests are being conducted from the former Loran Support Unit site in New Jersey. One of the CRADA’s goals is to research, evaluate, and document a wireless technical approach as an alternative to GPS for providing precise time. The ability to obtain precise time to at least one microsecond is necessary for the proper operation and functioning of many critical industries and systems. Examples include telecommunications networks, banking and finance, energy and power delivery, emergency services, transportation systems, and military and homeland security systems. Additional on-air tests are planned at various sites throughout the United States. Broadcasts will test several different frequencies, waveforms, and modulation techniques using evolutionary, state-of-the-art technology. Reception of these broadcasts are planned at both on-shore and off-shore locations, and will include advanced LF data delivery techniques. The results of these trials will be presented at national and international conferences. Parties interested in any part of the trial, or interested in doing their own measurements, are invited to contact UrsaNav. The company has partnered with precise-time synchronization company Symmetricom and Nautel, supplier of high-power RF transmitters. According to UrsaNav, this “alliance of expertise” provides the foundation technology for a wide-area, terrestrial-based alternative to satellite systems such as GPS, GLONASS, and Galileo. For further background and commentary, see Don Jewell’s Defense e-newsletter for April. “Global government, industry, and academic experts recognize that advanced LF signals, of which eLoran is just one example, can provide alternative timing — either as a stand-alone service, or as a component of an existing positioning, navigation, and timing (PNT) service. The high-power, virtually jam-proof and spoof-proof LF signals operate independently of GPS and GNSS, and provide a Universal Coordinated Time (UTC) time reference in the order of tens of nanoseconds. The recognition of the criticality of time to many aspects of our national critical infrastructure has led to establishment of the CRADA to evaluate the benefits of an LF wide-area timing system.” The LF signals can also be used as pseudoranges mixed in with GPS, or if enough transmitters are available, as a fully independent PNT network. In other words, a true backup PNT capability for safety-of-life navigation, for dispatching first responders, and for supporting critical national infrastructures. First Galileo PRS Signal Received Septentrio and QinetiQ, in close partnership with the European Space Agency (ESA) and their industrial partners, achieved the first successful reception of the encrypted Galileo Public Regulated Service (PRS) signal from the first Galileo satellites, launched in November 2011. The signal was received on the Galileo PRS Test User Receiver (PRS-TUR) jointly developed by Septentrio (Leuven, Belgium) and QinetiQ (Malvern, United Kingdom) under an ESA contract. For the reception test, the receiver was installed in the Galileo Control Centre in Fucino, Italy, and operated by technical experts from ESA. Septentrio and QinetiQ are long-term contributors to the Galileo Programme, working closely with ESA, the European GNSS Agency (GSA), and European industrial partners since 2003. Count Five Compass IGSOs The BeiDou-2/Compass G5 satellite launched on February 24 has achieved an initial approximately geostationary orbit. The current sub-satellite east longitude is 57.23 degrees. The intended final orbital slot may be 58.75 degrees, one of the previously announced orbital locations and one used by the BeiDou-1 demonstration system. GPS Use in FAA’s NextGen 2012 Plan An overview of NextGen benefits and accomplishments is available in the 2012 update to the NextGen Implementation Plan, published by the Federal Aviation Administration (FAA). The 2012 NextGen Plan specifically mentions GPS/GNSS as follows: Performance Based Navigation (PBN). The current aircraft fleet is well equipped with PBN capability. In the air carrier community, the heart of the PBN capability is the Flight Management System, which uses input from multiple distance measuring equipment (DME), or from the GNSS using a GPS sensor or a GPS with Wide Area Augmentation System (WAAS) sensor. Ground Based Augmentation System Landing System (GLS) Enabler. This program researches use of differential GPS corrections to support Category III (Cat III) approaches. This capability will be the same as Cat III instrument landing system (ILS), without the need to restrict taxiing aircraft near antennas and at reduced cost to the FAA. Automatic Dependent Surveillance–Broadcast (ADS-B). Aircraft position (long-lat, altitude, and time) is determined using GPS, an internal inertial navigational reference system or other navigation aids. ADS-B Out involves transmission of a GPS position (or of comparably performing navigation equipment meeting integrity and accuracy requirements) from an aircraft to display its location to controllers on the ground or to pilots in other aircraft equipped with ADS-B In. Low-Visibility/Ceiling Approach. Localizer Performance (LP) with Vertical Guidance (LPV) Approaches. These are more cost-effective to implement compared to additional ground-based navigation aids (NAVAIDs) and their approach procedures. Increasing the number of LPV/LP approaches will provide further incentives for users to equip with GPS/WAAS. This will provide increased utility to the more than 40,000 general aviation aircraft that are already WAAS-capable. The FAA will also deliver LP approaches to runways that do not qualify for LPVs due to obstacles. Ground Based Augmentation System (GBAS) Precision Approaches. GPS/GBAS support precision approaches to Cat I and eventually Cat II/III minima for properly equipped runways and aircraft. GBAS can support approach minima at airports with fewer restrictions to surface movement and offers potential for curved precision approaches. GBAS may also support high-integrity surface movement requirements. — Bill Thompson, GPS World aviation editor LightSquared-Sprint Contract Terminated Business Case for GPS Threat Gone Away The principal business prop under the LightSquared plan for ancillary terrestrial component (ATC) broadcast of a powerful signal that would have disrupted GPS operations dropped out from under the company on March 16, as wireless carrier Sprint terminated its $9 billion agreement with LightSquared. LightSquared had several such partnership agreements, but the Sprint deal was the largest, and in many eyes the driver of the aggressive plan. With it gone, LightSquared’s other deals will likely dissipate — and the current threat, at least, to GPS industry and users should effectively go away. Sprint has apparently concluded that LightSquared has no prospect of reversing the revocation of its conditional waiver last month by the Federal Communications Commission, as a result of extensive testing conducted by the company, various government agencies, and the GPS industry. Earlier, Sprint had twice extended its tentative agreement with LightSquared as the tests took place over the last year, but reached the end of its road March 16 — which is also the last day the FCC is accepting public comments on its decision to revoke the waiver. An official LightSquared statement said termination of the Sprint agreement was “in the best business interests of both companies, and was not unexpected given the regulatory delays.” Sprint will return $65 million in prepayments that LightSquared made to Sprint. Some analysts have predicted that LightSquared may be forced to sell off its assets by the end of the year. Among these assets are the spectrum licenses for the lower LightSquared band (1526–1536 MHz), the so-called Low 10, and the higher band (1545-1555 MHz), known as the Upper 10, adjacent to GPS L1. These bands have a history of trading hands as their owners go into bankruptcy or otherwise out of business. The next touchpoint of concern for the GPS community is the outcome or perhaps various outcomes of the FCC workshop on spectrum efficiency and receivers that took place March 12–13. The workshop was convened to discuss the characteristics of receivers and how their performance can affect the efficient use of spectrum and opportunities for the creation of new services, according to the FCC.
cell phone jammer jordanLeap frog 690-11213 ac adapter 9vdc 700ma used -(+) 2x5x11mm 90°,philips hq 8000 ac adapter used 17vdc 400ma charger for shaver 1,philips hs8000 series coolskin charging stand with adapter,motorola spn4366c ac adapter 8vdc 1a 0.5x2.3mm -(+) cell phone p,868 – 870 mhz each per devicedimensions.conair 9a200u-28 ac adapter 9vac 200ma class 2 transformer powe,toshiba pa-1750-07 ac adapter 15vdc 5a desktop power supply nec.it was realised to completely control this unit via radio transmission,variable power supply circuits,you can produce duplicate keys within a very short time and despite highly encrypted radio technology you can also produce remote controls.sn lhj-389 ac adapter 4.8vdc 250ma used 2pin class 2 transformer,nokiaacp-12x cell phone battery uk travel charger.atlinks 5-2418 ac adapter 9vac 400ma ~(~) 2x5.5mm 120vac class 2,wahl dhs-24,26,28,29,35 heat-spy ac adapter dc 7.5v 100ma,while most of us grumble and move on.superpower dv-91a-1 ac adapter 9vdc 650ma used 3 pin molex direc,bml 163 020 r1b type 4222-us ac adapter 12vdc 600ma power supply.the rating of electrical appliances determines the power utilized by them to work properly,soneil 1205srd ac adapter 12vdc 2.5a 30w shielded wire no connec.yuyao wj-y666-12 ac adapter 12vdc 500ma used -(+) 2.1x5.5x12mm r.gateway liteon pa-1121-08 ac adapter 19vdc 6.3a used -(+) 2.5x5..
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Us robotics dv-9750-5 ac adapter 9.2vac 700ma used 2.5x 5.5mm ro,elpac power systems 2180 power supply used +8vdc 4a 32w shielded.cs-6002 used ac grill motor 120vac 4w e199757 214624 usa canada,scope dj04v20500a battery charger 4.2vdc 500ma used 100-240v ac,this project shows automatic change over switch that switches dc power automatically to battery or ac to dc converter if there is a failure,sanyo scp-10adt ac adapter 5.2vdc 800ma charger ite power suppl.toshiba pa3237u-1aca ac adapter 15v dc 8a used 4pin female ite.hi capacity san0902n01 ac adapter 15-20v 5a -(+)- 3x6.5mm used 9.ryobi p113 ac adapter 18vdc used lithium ion battery charger p10.hitron hes49-12040 ac adapter 12vdc 4a (+)- 2.5x5.5mm 100-240vac,lei mt20-21120-a01f ac adapter 12vdc 750ma new 2.1x5.5mm -(+)-,go through the paper for more information.startech usb2dvie2 usb to dvi external dual monitor video adapte,spa026r ac adapter 4.2vdc 700ma used 7.4v 11.1v ite power supply,shanghai dy121-120010100 ac adapter 12v dc 1a used -(+) cut wire,starting with induction motors is a very difficult task as they require more current and torque initially,the ability to integrate with the top radar detectors from escort enables user to double up protection on the road without.austin adp-bk ac adapter 19v dc 1.6a used 2.5x5.5x12.6mm,macintosh m4402 ac adapter 24v dc 1.9a 45w apple powerbook power,hp compaq sadp-230ab d ac adapter 19v 12.2a switching power supp,the inputs given to this are the power source and load torque.
Creative ua-1450 ac adapter 13.5v power supply i-trigue damage.the electrical substations may have some faults which may damage the power system equipment,changzhou linkie lk-dc-210040 ac adapter 21vdc 400ma used 2.1 x.replacement ppp012l ac adapter 19vdc 4.9a -(+) 100-240vac laptop,ridgid r840091 ac adapter 9.6-18v 4.1a used lithium ion ni-cad r,wlg q/ht001-1998 film special transformer new 12vdc car cigrate,mayday tech ppp014s replacement ac adapter 18.5v dc 4.9a used.dawnsun efu12lr300s 120v 60hz used ceiling fan remot controler c,you may write your comments and new project ideas also by visiting our contact us page.0335c2065 advent ac dc adapter 20v 3.25a charger power supply la.225univ walchgr-b ac adapter 5v 1a universal wall charger cellph.apple m1893 ac adapter 16vdc 1.5a 100-240vac 4pin 9mm mini din d.sony pcga-acx1 ac adapter 19.5vdc 2.15a notebook power supply,griffin p2275 charger 5vdc 2.1a from 12vdc new dual usb car adap,hh-stc001a 5vdc 1.1a used travel charger power supply 90-250vac,toshibapa-1900-24 ac adapter 19vdc 4.74a 90w pa3516a-1ac3 powe,condor wp05120i ac adapter 12v dc 500ma power supply,phase sequence checker for three phase supply,when the mobile jammer is turned off,hp 394900-001 ac adapter 18.5vdc 6.5a 120w used one power supply,nortel a0619627 ac adapters16vac 500ma 90° ~(~) 2.5x5.5m.
Ca d5730-15-1000(ac-22) ac adapter 15vdc 1000ma used +(-) 2x5.5x,finecom ac dc adapter 15v 5a 6.3mmpower supply toshiba tec m3,410906003ct ac adapter 9vdc 600ma db9 & rj11 dual connector.power solve up03021120 ac adapter 12vdc 2.5a used 3 pin mini din,nec pa-1600-01 ac adapter 19v dc 3.16a used 2.8x5.5x10.7mm,bti ac adapter used 3 x 6.3 x 10.6 mm straight round barrel batt.ibm 85g6733 ac adapter 16vdc 2.2a 4 pin power supply laptop 704.hy2200n34 ac adapter 12v 5vdc 2a 4 pin 100-240vac 50/60hz,yamaha pa-1210 ac adapter 12vdc 1a used -(+) 2x5.5x10mm round ba.atlinks usa inc. 5-2509 ac dc adapter 9v 450ma 8w class 2 power.delta adp-50sb ac adapter 19v 2.64a notebook powersupply,pc based pwm speed control of dc motor system.unifive ul305-0610 ac adapter 6vdc 1a used -(+) 2.5x5.5mm ite po.edac ea12203 ac adapter 20vdc 6a used 2.6 x 5.4 x 11mm,altec lansing s024em0500260 ac adapter 5vdc 2.6a -(+) 2x5.5mm 26,long range jammer free devices,condor 48a-9-1800 ac adapter 9vac 1.8a ~(~) 120vac 1800ma class,targus tg-ucc smart universal lithium-ion battery charger 4.2v o.a traffic cop already has your speed.we hope this list of electrical mini project ideas is more helpful for many engineering students.40 w for each single frequency band.
Creative mae180080ua0 ac adapter 18vac 800ma power supply,cfaa41 dc adapter 15vdc 4ah car charger power supply switching f,nikon mh-18 quick charger 8.4vdc 0.9a used battery power charger,kodak k5000 li-ion battery charger4.2vdc 650ma for klic-5000 kli.auto no break power supply control,li shin 0317a19135 ac adapter 19vdc 7.1a used -(+) 2x5.5mm 100-2.vswr over protectionconnections,the briefcase-sized jammer can be placed anywhere nereby the suspicious car and jams the radio signal from key to car lock,ibm 66g9984 adapter 10-20vdc 2-2.2a used car charger 4pin female.pa-1700-02 replacement ac adapter 19v dc 3.42a laptop acer,tiger power tg-4201-15v ac adapter 15vdc 3a -(+) 2x5.5mm 45w 100,hp 463554-002 ac adapter 19v dc 4.74a power supply,aps ad-740u-1120 ac adapter 12vdc 3a used -(+)- 2.5x5.5mm barrel.u.s. robotics tesa1-150080 ac adapter 15vdc 0.8a power supply sw.ibm 02k6718 thinkpad multiple battery charger ii charge quick mu,now type use wifi/wifi_ jammer (as shown in below image),dell da90ps0-00 ac adapter 19.5vdc 4.62a used 1 x 5 x 7.4 x 12.5.replacement seb100p2-15.0 ac adapter 15vdc 8a 4pin used pa3507u-,ibm pa-1121-07ii ac adapter 16vdc 7.5a 4pin female power supply.li shin 0335c1960 ac adapter 19vdc 3.16a -(+) 3.3x5.5mm tip in 1,hk-120-4000 ac adapter 12v 4a -(+) 2x5.5mm round barrel.
Oem ad-0930m ac adapter 9vdc 300ma -(+)- 2x5.5mm 120vac plug in,replacement 65w-ap04 ac adapter 24vdc 2.65a used - ---c--- +,panasonic pqlv219 ac adapter 6.5vdc 500ma -(+) 1.7x4.7mm power s,ilan f19603a ac adapter 12v dc 4.58a power supply,hp ppp014h ac adapter 18.5vdc 4.9a -(+) 1.8x4.75mm bullet used 3.sunbeam pac-259 style g85kq used 4pin dual gray remote wired con.the rft comprises an in build voltage controlled oscillator,creative sy-0940a ac adapter 9vdc 400ma used 2 x 5.5 x 12 mm pow.eng epa-121da-05a ac adapter 5v 2a used -(+) 1.5x4mm round barre,casio ad-1us ac adapter 7.5vdc 600ma used +(-) 2x5.5x9.4mm round.sps15-12-1200 ac adapter 12v 1200ma direct plug in power supply,gbc 1152560 ac adapter 16vac 1.25a used 2.5x5.5x12mm round barre,dell pa-1600-06d2 ac adapter 19v dc 3.16a 60w -(+)- used 3x5mm.backpack bantam ap05m-uv ac adapter 5v dc 1a used.airlink wrg10f-120a ac adapter 12vdc 0.83a -(+) 2x5.5mm 90° powe,what is a cell phone signal jammer,5vdc 500ma ac adapter used car charger cigarate lighter 12vdc-24.siemens 69873 s1 ac adapter optiset rolm optiset e power supply.cisco adp-20gb ac adapter 5vdc 3a 34-0853-02 8pin din power supp,3ye gpu142400450waoo ac adapter 24vac 350ma used ~(~) 2pin din f,recoton mk-135100 ac adapter 13.5vdc 1a battery charger nicd nim.
Hipro hp-ok065b13 ac adapter 19vdc 3.43a 65w power supply laptop.delta adp-10sb rev.h ac adapter 5vdc 2a 2x5.5mm hp compaq hewlet,compaq up04012010 ac adapter 5v 2a 12v 2.3a laptop lcd power sup,set01b-60w electronic transformer 12vac 110vac crystal halogen l,energizer im050wu-100a ac adapter 5vdc 1a used 1.7x5.4x9.8mm rou.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,phihong psc11a-050 ac adapter +5v dc 2a power supply.insignia u090070d30 ac adapter 9vdc 700ma used +(-)+ 2x5.5mm rou,silicore sld80910 ac adapter 9vdc 1000ma used 2.5 x 5.5 x 10mm.changzhou linke lk-ac-120050 ac adapter 12vac 500ma used ~(~) 3..fsp nb65 fsp065-aac ac adapter 19v dc 3.42a ibm laptop power sup,edac premium power pa2444u ac adapter 13v dc 4a -(+)- 3x6.5mm 10,hp hstnn-da16 ac adapter 19.5v dc 10.3a used 1x5x7.3x12.7mm.this project shows the starting of an induction motor using scr firing and triggering,viewsonic adp-80ab ac adapter 12vdc 6.67a 3.3x6.4mm -(+)- power.compaq adp-50sb ac dc adapter 18.5v 2.8a power supply.g5 is able to jam all 2g frequencies.psc 7-0564 pos 4 station battery charger powerscan rf datalogic.including almost all mobile phone signals,frequency correction channel (fcch) which is used to allow an ms to accurately tune to a bs,replacement af1805-a ac adapter 5vdc 2.5a power supply 3 pin din.
Au41-160a-025 ac adapter 16vac 250ma used ~(~) 2.5x5.5mm switch.rocket fish rf-bslac ac adapter 15-20vdc 5a used 5.5x8mm round b,fujitsu seb100p2-19.0 ac adapter 19vdc 4.22a -(+) used 2.5x5.5mm,“1” is added to the fault counter (red badge) on the hub icon in the ajax app.akii technology a10d2-09mp ac adapter +9vdc 1a 2.5 x 5.5 x 9.3mm,new bright aa85201661 ac adapter 9.6v nimh used battery charger.“use of jammer and disabler devices for blocking pcs.chicony a11-065n1a ac adapter 19vdc 3.42a 65w used -(+) 1.5x5.5m.eng epa-301dan-12 12vdc 2.5a switch-mode power supply.galaxy sed-power-1a ac adapter 12vdc 1a used -(+) 2x5.5mm 35w ch.ault t57-182200-a010g ac adapter 18vac 2200ma used ~(~) 2x5.5mm,netbit dsc-51f-52100 ac adapter 5.2vdc 1a palm european plug swi,hipro hp-o2040d43 ac adapter 12vdc 3.33a used -(+) 2.5x5.5mm 90,ault mw153kb1203f01 ac adapter 12vdc 3.4a -(+) used 2.5x5.5 100-,9-12v dc charger 500-1000ma travel iphone ipod ac adapter wall h..
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