A Technical News Letter(TNL) is published half yearly by JCES, HQ IDS, i. e. in Mar and Oct. TNL contains subjects/articles of interest to the Defence Services pertaining to the latest devlopment in electronics, communications, computers and electronic warfare equipments.
Main Articles
| Radio frequency spectrum is a limited natural resource. The word ‘Spectrum’ basically refers to a collection of various types of electromagnetic radiations of different wavelengths. In India, the radio frequencies are arbitrarily confined between 9kHz and 3000 GHz and are being used for different types of services like fixed communication, mobile communication, broadcasting, radio navigation, radiolocation, fixed and mobile satellite service, aeronautical satellite service, radio navigational satellite service etc. See more....... |
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| Wireless technologies are challenging automation for new products and services. Like it happened in the past with Ethernet, the growing popularity of wireless among the general public is lowering the costs of wireless equipment. See more....... |
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| The Global Positioning System, or GPS, is a satellite-based navigation system. It was developed by the United States Department of Defense (DOD) for military and government use, but the information it provides is now available free for civilian and commercial uses worldwide. See more....... |
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| RFID stands for Radio-Frequency Identification. The acronym refers to small electronic devices that consist of a small chip and an antenna. The chip typically is capable of carrying 2,000 bytes of data or less. RFID is a general term that is used to describe a system that transmits the identity (in the form of a unique serial number) of an object wirelessly, using radio waves. This is sometimes referred to as contact-less technology and a typical RFID system is made up of three components: tags, readers and the host computer system. See more....... |
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| Providing access to telecommunications services in rural areas continues to challenge policy makers and telecommunication operators alike. The problem is complex and solutions require an understanding of the technical issues as well as the policy instruments used to create incentives for rural service providers. See more....... |
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| The development and deployment of radar is one of the great historical achievements of the military industrial base. Although the first practical use of radar can be attributed to American physicists conducting scientific experiments in 1925, most of the major technical and engineering innovations that made the widespread use of radar possible were developed by the military R&D establishments of the United States, the United Kingdom, and Germany before and during World War II. After the war, radar began to be used in many civilian applications, including weather avoidance, navigation, and maritime surveillance. See more....... |
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| Over the past ten years, the rapid deployment of emerging information technologies, including mobile communications and Internet services, has had a great influence in changing our daily lives, and it continues to influence and affect our lives. It has brought about the innovation of conversion from analogue to digital in telecommunication media, the expansion of temporal and spatial casualness of information transfer by means of mobile technology, and the advancement of lifestyle for more Internet-based information. See more....... |
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| Computer systems and the information they store and process are valuable resources which need to be protected. With the current trend toward networking, compromise of one computer on a network can often affect a significant number of other machines connected to the network.See more....... |
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