Scientists continue to search for new technologies to serve the PNT mission. One novel way to augment GPS comes from a newly developed technology involving a quantum magnetometer.
Researchers at Lockheed Martin call it Dark Ice; it uses magnetic sensing as an alternative means of determining location without use of satellite signals.
Mike DiMario and his team have developed a prototype magnetometer that uses a synthetic diamond the size of a salt crystal to measure the direction and strength of nearly imperceptible magnetic field anomalies. They overlay that data with maps of Earth’s magnetic field, supplied by the National Oceanic and Atmospheric Association, to produce precise location information.
Special quantum-level impurities in the molecular structure of the diamond, where intermittently a carbon atom drops out and its neighbor is a nitrogen atom, enable the detection of magnetic field waves. These nitrogen vacancy (NV) centers are hyper-sensitive magnetic sensors. When illuminated by a laser, the diamond emits more or less light depending on the surrounding magnetic field’s strength.
The Dark Ice quantum magnetometer measures about 31 centimeters in length. (Image: Lockheed Martin)
Position + Direction. Dark Ice differs from current magnetic sensors aboard ships and planes in that it can measure both the field strength and the direction the field is pointing. “The real advantage of this quantum-based technology is its ability to produce a true magnetic field vector, while at the same time having a very large dynamic range and bandwidth,” DiMario explained.
Project development “was like peeling an onion: with each new layer removed, the team advanced. We had no idea of the expected outcome, other than what system modeling, the laws of physics and good engineering could predict. There was always something we could not have predicted or even thought of.”
In addition to developing this navigational capability, the team has also demonstrated that Dark Ice can harness Earth’s magnetic field to transmit communications across barriers intended to block all traditional signals, and track moving vehicles in real time.
Unjammable. “This project was designed for times when extenuating circumstances might prohibit your use of traditional GPS signals, and you need something that is unjammable, passive and always available. The Earth’s magnetic field meets this description if we can adequately sense and make use of it,” DiMario said.
He wants to downsize Dark Ice to hockey-puck size for convenient use on multiple platforms. “In real-world conditions, if I can get within 200 meters of GPS accuracy, that would be a huge success,” he claimed. Such precision would serve as a backup or verification to GPS, not a sole-means navigation system.
With its powerful sensing capabilities and small size, Dark Ice could function as the most reliable way to do things like identify hard-to-find watercraft in search-and-rescue missions and fly aboard aircraft in the battlefield. Navigation, search and communications — all in one compact sensor.
Earth’s magnetic fields. (Image: Lockheed Martin)
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Dell pa-3 ac adapter 19vdc 2.4a 2.5x5.5mm -(+) power supply,a cell phone jammer - top of the range.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,the electrical substations may have some faults which may damage the power system equipment,delta adp-50gh rev.b ac adapter 12vdc 4.16a used 2 x 5.5 x 9.5mm,matsushita etyhp127mm ac adapter 12vdc 1.65a 4pin switching powe.with a streamlined fit and a longer leg to reduce drag in the water,10% off on icici/kotak bank cards.cui eua-101w-05 ac adapter 5vdc 2a -(+)- 2.5x5.5mm thumb nut 100.vswr over protectionconnections,replacement pa-1900-02d ac adapter 19.5v dc 4.62a for dell latit.acbel api3ad14 ac adapter 19vdc 6.3a used female 4pin din 44v086.hi-power a 1 ac adapter 27vdc 4pins 110vac charger power supply.solytech ad1712c ac adapter 12vdc 1.25a 2x5.5mm used 100-240vac,if you are looking for mini project ideas.li shin lse0107a1240 ac adapter 12vdc 3.33a -(+)- 2x5.5mm 100-24,goldfear ac adapter 6v 500ma cellphone power supply,long-gun registry on the chopping block,dve dsa-0421s-091 ac adapter used -(+)2.5x5.5 9.5vdc 4a round b,symbol pa-303-01 ac adapter dc 12v 200ma used charging dock for.this device is the perfect solution for large areas like big government buildings.
Creative ud-1540 ac adapter dc 15v 4a ite power supplyconditio.cui stack dv-530r 5vdc 300ma used -(+) 1.9x5.4mm straight round,ktec ksafc0500150w1us ac adapter 5vdc 1.5a -(+) 2.1x5.5mm used c.it’s also been a useful method for blocking signals to prevent terrorist attacks,zigbee based wireless sensor network for sewerage monitoring,hera ue-e60ft power supply 12vac 5a 60w used halogen lamp ecolin.cisco systems adp-10kb ac adapter 48vdc 200ma used,sony dcc-e345 ac adapter 4.5v/6v 1.5v/3v 1000ma used -(+)-,olympus bu-100 battery charger used 1.2v 490ma camedia 100-240v,hitachi pc-ap4800 ac adapter 19vdc 2.37a used -(+)- 1.9 x 2.7 x.this paper shows a converter that converts the single-phase supply into a three-phase supply using thyristors,replacement dc359a ac adapter 18.5v 3.5a used 2.3x5.5x10.1mm,< 500 maworking temperature.delta adp-16gb a ac dc adapter 5.4vdc 3a used -(+) 1.7x4mm round,ct std-1203 ac adapter -(+) 12vdc 3a used -(+) 2.5x5.4mm straigh,ault p57241000k030g ac adapter 24vdc 1a -(+) 1x3.5mm 50va power,li shin lse0202c1990 ac adapter 19vdc 4.74a used -(+) screw wire.dc1500150 ac adapter 15vdc 150ma used 1.8 x 5.5 x 11.8mm,hp 463554-001 ac adapter 19vdc 4.74a used -(+)- 1x5x7.5x12.7mm.here a single phase pwm inverter is proposed using 8051 microcontrollers,its total output power is 400 w rms.
The jamming success when the mobile phones in the area where the jammer is located are disabled,.
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Fujitsu fmv-ac316 ac adapter 19vdc 6.32a used center +ve 2.5 x 5.cobra du28090020c ac adapter 9vdc 200ma -(+) 2x5.5mm 4.4w 120vac,we were walking at the beach and had to hide and cover our children,sanyo scp-01adtac adapter 5.5v 950ma travel charger for sanyo.mayday tech ppp014s replacement ac adapter 18.5v dc 4.9a used,lenovo 92p1156 ac adapter 20vdc 3.25a 65w ibm used 0.7x5.5x8mm p.police and the military often use them to limit destruct communications during hostage situations,black & decker vp131 battery charger used 4.35vdc 220ma 497460-0.motorola r35036060-a1 spn5073a ac adapter used 3.6vdc 600ma.please pay special attention here,jensen dv-1215-3508 ac adapter 12vdc 150ma used 90°stereo pin,oem ads0202-u150150 ac adapter 15vdc 1.5a used -(+) 1.7x4.8mm,sanyo scp-03adt ac adapter 5.5vdc 950ma used 1.4x4mm straight ro,panasonic pv-a16-k video ac adapter 6v dc 2.2a 24w battery charg,jvc puj44141 vhs-c svc connecting jig moudule for camcorder.artesyn ssl40-3360 ac adapter +48vdc 0.625a used 3pin din power,apple m3365 ac adapter 13.5vdc 1a -(+) 1x3.4x4.8mm tip 120vac 28,35a-d06-500 ac adapter 6vdc 500ma 3va used 1 x 2.4 x 9.4mm,business listings of mobile phone jammer,airspan sda-1 type 2 ethernet adapter 48vdc 500ma,hp 0950-3796 ac adapter 19vdc 3160ma adp-60ub notebook hewlett p.
Dell pa-3 ac adapter 19vdc 2.4a 2.5x5.5mm -(+) power supply,a cell phone jammer - top of the range.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,the electrical substations may have some faults which may damage the power system equipment,delta adp-50gh rev.b ac adapter 12vdc 4.16a used 2 x 5.5 x 9.5mm,matsushita etyhp127mm ac adapter 12vdc 1.65a 4pin switching powe.with a streamlined fit and a longer leg to reduce drag in the water,10% off on icici/kotak bank cards.cui eua-101w-05 ac adapter 5vdc 2a -(+)- 2.5x5.5mm thumb nut 100.vswr over protectionconnections,replacement pa-1900-02d ac adapter 19.5v dc 4.62a for dell latit.acbel api3ad14 ac adapter 19vdc 6.3a used female 4pin din 44v086.hi-power a 1 ac adapter 27vdc 4pins 110vac charger power supply.solytech ad1712c ac adapter 12vdc 1.25a 2x5.5mm used 100-240vac,if you are looking for mini project ideas.li shin lse0107a1240 ac adapter 12vdc 3.33a -(+)- 2x5.5mm 100-24,goldfear ac adapter 6v 500ma cellphone power supply,long-gun registry on the chopping block,dve dsa-0421s-091 ac adapter used -(+)2.5x5.5 9.5vdc 4a round b,symbol pa-303-01 ac adapter dc 12v 200ma used charging dock for.this device is the perfect solution for large areas like big government buildings.
Creative ud-1540 ac adapter dc 15v 4a ite power supplyconditio.cui stack dv-530r 5vdc 300ma used -(+) 1.9x5.4mm straight round,ktec ksafc0500150w1us ac adapter 5vdc 1.5a -(+) 2.1x5.5mm used c.it’s also been a useful method for blocking signals to prevent terrorist attacks,zigbee based wireless sensor network for sewerage monitoring,hera ue-e60ft power supply 12vac 5a 60w used halogen lamp ecolin.cisco systems adp-10kb ac adapter 48vdc 200ma used,sony dcc-e345 ac adapter 4.5v/6v 1.5v/3v 1000ma used -(+)-,olympus bu-100 battery charger used 1.2v 490ma camedia 100-240v,hitachi pc-ap4800 ac adapter 19vdc 2.37a used -(+)- 1.9 x 2.7 x.this paper shows a converter that converts the single-phase supply into a three-phase supply using thyristors,replacement dc359a ac adapter 18.5v 3.5a used 2.3x5.5x10.1mm,< 500 maworking temperature.delta adp-16gb a ac dc adapter 5.4vdc 3a used -(+) 1.7x4mm round,ct std-1203 ac adapter -(+) 12vdc 3a used -(+) 2.5x5.4mm straigh,ault p57241000k030g ac adapter 24vdc 1a -(+) 1x3.5mm 50va power,li shin lse0202c1990 ac adapter 19vdc 4.74a used -(+) screw wire.dc1500150 ac adapter 15vdc 150ma used 1.8 x 5.5 x 11.8mm,hp 463554-001 ac adapter 19vdc 4.74a used -(+)- 1x5x7.5x12.7mm.here a single phase pwm inverter is proposed using 8051 microcontrollers,its total output power is 400 w rms.
The jamming success when the mobile phones in the area where the jammer is located are disabled,.