For many years, ships in distress at sea have depended upon radio operators keeping continuous radio listening watch on specified international frequencies for Morse code and voice communications. The Global Maritime Distress and Safety System is now being developed to provide a new global communications and locating network to alert search and rescue services. All students of navigation or maritime technology must now be trained in the use of GMDSS. This accessible reference textbook provides the new radio operator with all the knowledge that is needed to fully understand the GMDSS and its...
For many years, ships in distress at sea have depended upon radio operators keeping continuous radio listening watch on specified international freque...
Satellites are increasingly used for global communications, as well as for radio and television transmissions. With the growth of mobile communications, and of digital technology, the use of satellite systems is set to expand substantially and already all students of electronics or communications engineering must study the subject. This book steers a middle path between offering a basic understanding of the process of communication by satellite and the methodology used; and the extensive mathematical analysis normally adopted in similar texts. It presents the basic concepts, using as...
Satellites are increasingly used for global communications, as well as for radio and television transmissions. With the growth of mobile communication...
A diverse selection of traditional stories from around the world that introduce juniors to classic plots and powerful characters. These fascinating stories are beautifully illustrated to bring each tale to life. The books are finely levelled, making it easy to match every child to the right book. This pack contains 6 copies of 6 different books.
A diverse selection of traditional stories from around the world that introduce juniors to classic plots and powerful characters. These fascinating st...
Laird, Elizabeth; Knapman, Timothy; Calcutt, David
A diverse selection of traditional stories from around the world that introduce juniors to classic plots and powerful characters. These fascinating stories are beautifully illustrated to bring each tale to life. The books are finely levelled, making it easy to match every child to the right book. This pack contains 6 copies of 6 different books.
A diverse selection of traditional stories from around the world that introduce juniors to classic plots and powerful characters. These fascinating st...
