Basics 2 min read
Internetworking Devices
Introduction HILI subcommittee (IEEE802.1) of the IEEE identified the following possible internetworking scenarios. · A single LAN · Two LANs connected together…
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Basics 4 min read
MAC Protocols
One of the key design issues in satellite communication is how to efficiently allocate transponder channels. Uplink channel is shared…
Basics 1 min read
VSAT Systems
VSAT stands for Very Small Aperture Terminal. It was developed to make access to the satellite more affordable and without…
General Concepts 1 min read
WHY IS A SHIP CALLED SHE?
A ship is called a ‘she’ because there is always a great deal of bustle around her; There is usually…
Basics 1 min read
GEO Satellites
Back in 1945, the famous science fiction writer Arthur C. Clarke suggested that a radio relay satellite in an equatorial…
Basics 1 min read
Medium Earth Orbit Satellites
MEO satellites are positioned between two Van Allen Belts at a height of about 10,000 Km with a rotation period…
General Concepts 2 min read
Why work at sea?
1. To see the world Some people choose to work at sea because it gives them a chance to travel or…
Basics 5 min read
Satellite Networks
Introduction Microwave frequencies, which travel in straight lines, are commonly used for wideband communication. The curvature of the earth results…
General Concepts 4 min read
People on the ship and what do they do ?
Below is a brief description of various positions on a typical – larger vessel. This is given as an overall…
Basics 2 min read
Bluetooth Architecture
The Bluetooth architecture, showing all the major layers in the Bluetooth system, are depicted in the Fig. The layers below…