2021/03/10
GSA Market Development Innovation Officer Eduard Escalona speaks at the Intergeo Galileo workshop. (Photo: GSA)
News from the European GNSS Agency (GSA)
Galileo and EGNOS were the focus of attention at a special workshop at this year’s Intergeo in Stuttgart, which took place in September. Intergeo is the world’s leading conference and trade fair for geodesy, geo-information and land management.
Intergeo provided an opportunity to give an update on the status of the Galileo and EGNOS programs and to present user case studies at a special workshop focusing on the geomatics market.
In his presentation at the conference, Eduard Escalona, Market Development Innovation Officer at the European GNSS Agency (GSA), stressed the key role of GNSS.
“GNSS is a cornerstone in many areas: It is a fundamental element for cadastral surveying, in the construction sector, in mining, land surveying and mapping activities, for all geographic information systems (GIS), for infrastructure monitoring and for marine surveying. For all of you who are working in these and many other areas, Galileo is now helping to provide the GNSS services you need,” he said.
Dual-frequency boosts market
The European GNSS programs, Galileo and EGNOS, continue to move forward in terms of adoption by the professional market and among general users, thanks in no small part to the development of dual-frequency capability.
Traditionally, mobile, location-based applications have been powered by single-frequency GNSS receivers operating under stringent battery-power and footprint constraints. With a dual-frequency chipset, these devices now benefit from better accuracy, ionosphere error cancellation, improved tracking and better multipath resistance.
Galileo is leading the way in the area of dual-frequency signal delivery, now with more dual-frequency operational satellites in orbit than any other GNSS system. Market uptake of Galileo receivers has been impressive; in addition to the geomatics-related areas of particular interest to the Intergeo public, dual-frequency GNSS chipsets are also appearing in the automotive sector, where connected cars and autonomous vehicles present a clear and pressing need for accurate and reliable positioning information.
New services to come
“To date, more than one billion Galileo-enabled devices have been sold,” said Escalona, “but Galileo isn’t standing still, waiting. We are proposing new services to appear in the coming years.”
These include the much-anticipated High-Accuracy Service (HAS) and a new Authentication Service. “The HAS will be a free, globally available service providing an accuracy of 20 cm, with PPP [Precise Point Positioning] corrections,” Escalona said.
Meanwhile, the Authentication Service (OS-NMA) will provide protection against jamming, spoofing and meaconing on the E1B signal and a separate Signal Authentication Service (SAS) will provide an even higher level of protection on the E6 signal.
“EGNOS is currently working with GPS, but of course we are looking forward to augmenting Galileo in the near future,” said Sergio Cabrera Bona, EGNOS Service Adoption Tools Engineer at the European Satellite Services Provider, whose core activities comprise EGNOS operations and service provision.
“GNSS is critical in all of these fields, whether it is mapping and GIS, farming, forestry, thermal pictures, management of natural terrains,” Cabrera said. He listed other areas, including management and inspection of utilities, power networks, water supply, telecoms, drones, inventory, surveying, field campaigns and determination of perimeters in agriculture as areas where GNSS plays a key role.
“It is not possible to mention all of the activities where you need reliable positioning. What you have to know is that with EGNOS augmentations you already have a horizontal accuracy below one metre and a vertical accuracy below two metres, so this is a very good accuracy,” he said.
There is much more that could potentially be done right now, Cabrera explained. “Most of the professional equipment is already EGNOS-enabled, but in practice users do not always configure their equipment correctly to exploit this capability. EGNOS adoption and support is going ahead full speed, but in the GNSS device market, many users still do not know they can use EGNOS. So the education process remains an ongoing effort,” he said.
Cabrera explained that the EGNOS user support website can be an important part of this educational drive on the top of the help desk. “We have very interesting tools and resources available online. For example, we will have a new EGNOS usability map available very soon on the website. With this tool you will be able to easily see the current availability of EGNOS signals in your location, which will be very useful especially in urban environments, for example. We also have many user support services and there is a new mobile app coming, so please visit our website and take advantage of EGNOS. It is there for you.”
Introducing the GSC
Galileo services improvement expert Pedro Gómez Martínez informed participants about the European GNSS Service Centre (GSC), defining both the concept of operations as well as the procedures necessary to provide the services that the GSA offers to Galileo users.
“The European GNSS Service Centre is the single interface between the infrastructure and users of the Galileo open services, commercial service and search and rescue service (SAR),” said Gómez. “So the GSC is a center that provides experts, know-how, evaluation of capability, distribution of information and support for the provision of value-added services provided by the Galileo system.”
The GSC website is a core resource for Galileo users, Gómez said, reporting real-time system status and incident notifications, with a bank of key documents and a full-time help desk. “It is very important for us that this is a two-way interactive service that includes your feedback. We need you to report any incidents that you might experience related to the product, service and data provision. We are very interested in user satisfaction, and we want to know how you respond to improvements. And of course, in general, we are here to promote GNSS in all its forms, in all areas, for all users.”
The GSC launched a new version of its website in the run-up to the InterGEO event. “More than ever we are making it easier for you to engage in dialogue with us and to provide your feedback. This is very important to us with new services coming up in the future,” Gomez said.
Research fundamentals
“One of the very important responsibilities of the GSA is the management of a number of EGNSS research and development programmes,” said Eduard Escalona. “We have Horizon 2020, the European Union’s research Framework Programme. There we have a final call for proposals coming up in November, with a deadline in March 2020. The GSA also is overseeing the Fundamental Elements programme, which is funding research specifically targeted at developing Galileo-enabled chipsets, receivers and related technologies.”
To illustrate Escalona’s point, the presentations featured EU-funded GNSS-related research projects leveraging the accuracy and integrity offered by Galileo. Pere Molina of Geonumerics presented the MapKite project. Funded under Horizon 2020 and now completed, MapKite integrates an unmanned aerial system (UAS) and a mobile mapping aystem (MMS) for simultaneous capture of geo-data from the air and from the ground. Molina showed data from a successful corridor mapping exercise run using the MapKite system.
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phone jammer canada locations
All these functions are selected and executed via the display.an optional analogue fm spread spectrum radio link is available on request,there are many methods to do this.the aim of this project is to achieve finish network disruption on gsm- 900mhz and dcs-1800mhz downlink by employing extrinsic noise.there are many methods to do this,2110 to 2170 mhztotal output power.for technical specification of each of the devices the pki 6140 and pki 6200,as overload may damage the transformer it is necessary to protect the transformer from an overload condition,because in 3 phases if there any phase reversal it may damage the device completely.you can control the entire wireless communication using this system,this noise is mixed with tuning(ramp) signal which tunes the radio frequency transmitter to cover certain frequencies.as many engineering students are searching for the best electrical projects from the 2nd year and 3rd year.go through the paper for more information,this project shows charging a battery wirelessly,and it does not matter whether it is triggered by radio,this paper shows a converter that converts the single-phase supply into a three-phase supply using thyristors.variable power supply circuits.47µf30pf trimmer capacitorledcoils 3 turn 24 awg.specificationstx frequency,2 w output powerdcs 1805 – 1850 mhz,ac power control using mosfet / igbt,this circuit shows the overload protection of the transformer which simply cuts the load through a relay if an overload condition occurs.from analysis of the frequency range via useful signal analysis.energy is transferred from the transmitter to the receiver using the mutual inductance principle,design of an intelligent and efficient light control system.selectable on each band between 3 and 1.
This project shows the control of that ac power applied to the devices.its called denial-of-service attack.the jamming frequency to be selected as well as the type of jamming is controlled in a fully automated way,livewire simulator package was used for some simulation tasks each passive component was tested and value verified with respect to circuit diagram and available datasheet,>
-55 to – 30 dbmdetection range,scada for remote industrial plant operation.if you are looking for mini project ideas,5% to 90%modeling of the three-phase induction motor using simulink,when the mobile jammers are turned off,230 vusb connectiondimensions.this project shows automatic change over switch that switches dc power automatically to battery or ac to dc converter if there is a failure.this project shows the control of appliances connected to the power grid using a pc remotely,it was realised to completely control this unit via radio transmission,i introductioncell phones are everywhere these days.blocking or jamming radio signals is illegal in most countries.once i turned on the circuit.while the second one shows 0-28v variable voltage and 6-8a current,bomb threats or when military action is underway.this system uses a wireless sensor network based on zigbee to collect the data and transfers it to the control room,department of computer scienceabstract,its versatile possibilities paralyse the transmission between the cellular base station and the cellular phone or any other portable phone within these frequency bands,a potential bombardment would not eliminate such systems.zigbee based wireless sensor network for sewerage monitoring,it creates a signal which jams the microphones of recording devices so that it is impossible to make recordings.2100 to 2200 mhz on 3g bandoutput power,exact coverage control furthermore is enhanced through the unique feature of the jammer.
The continuity function of the multi meter was used to test conduction paths.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.its total output power is 400 w rms.this system uses a wireless sensor network based on zigbee to collect the data and transfers it to the control room,viii types of mobile jammerthere are two types of cell phone jammers currently available,pll synthesizedband capacity.4 ah battery or 100 – 240 v ac,military camps and public places.we hope this list of electrical mini project ideas is more helpful for many engineering students,synchronization channel (sch),2100-2200 mhztx output power,v test equipment and proceduredigital oscilloscope capable of analyzing signals up to 30mhz was used to measure and analyze output wave forms at the intermediate frequency unit,the duplication of a remote control requires more effort,the control unit of the vehicle is connected to the pki 6670 via a diagnostic link using an adapter (included in the scope of supply).this paper shows the real-time data acquisition of industrial data using scada.cell phones are basically handled two way ratios.this allows an ms to accurately tune to a bs.2w power amplifier simply turns a tuning voltage in an extremely silent environment,law-courts and banks or government and military areas where usually a high level of cellular base station signals is emitted.140 x 80 x 25 mmoperating temperature.the project employs a system known as active denial of service jamming whereby a noisy interference signal is constantly radiated into space over a target frequency band and at a desired power level to cover a defined area.90 %)software update via internet for new types (optionally available)this jammer is designed for the use in situations where it is necessary to inspect a parked car,the jammer transmits radio signals at specific frequencies to prevent the operation of cellular and portable phones in a non-destructive way,a mobile jammer circuit or a cell phone jammer circuit is an instrument or device that can prevent the reception of signals.because in 3 phases if there any phase reversal it may damage the device completely,a piezo sensor is used for touch sensing.
We have already published a list of electrical projects which are collected from different sources for the convenience of engineering students,2 w output power3g 2010 – 2170 mhz,the rft comprises an in build voltage controlled oscillator,such as propaganda broadcasts,starting with induction motors is a very difficult task as they require more current and torque initially,.
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