Terrestrial Trunked Radio (TETRA) has become the tool to design any type of public security systems in particular due to the strongly increased security demands for mobile systems. In this book the authors show how TETRA can be strongly enhanced & these improvements will most probably be part of future TETRA standards. The areas examined include channel assignment & multiple access techniques video transmission wireless LAN integration & the establishment of multiple wireless mesh networks. Since the requirements for these networks is security the authors show that innovative techniques such as those based on chaotic signals can be used in order to maximize security. The book is a vital reference point for researchers with ambition to find the general solution for modern problems of public safety. ...

In June of 1876 on a hill above a river called the Little Bighorn George Armstrong Custer & all 210 men under his direct command were annihilated by 2 000 Sioux & Cheyenne. The news of this stunning defeat caused an uproar & those involved promptly began to point fingers in order to avoid responsibility. Custer who was conveniently dead took the brunt of the blame. The truth however was far more complex. A TERRIBLE GLORY is the first book to tell the entire story of this fascinating battle & the first to call upon new findings of the last 25 years
- which have changed how this event is perceived. It is also the first book to reveal the details of the cover-up
- & unravel one of the greatest mysteries in military history. Scrupulously researched A TERRIBLE GLORY will stand as a landmark work. Brimming with authentic detail & an unforgettable cast of characters
- from Sitting Bull & Crazy Horse to Ulysses Grant & Custer himself
- this is history with the sweep of a great novel.



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There's nothing unusual about the Brockets. Normal respectable & proud of it they turn up their noses at anyone strange or different. But from the moment Barnaby Brocket comes into the world it's clear he's anything but ordinary. To his parents' horror Barnaby defies the laws of gravity
- & floats. Desperate to please his parents Barnaby does his best to keep both feet on the ground
- but he just can't do it. One fateful day the Brockets decide enough is enough. They never asked for a weird abnormal floating child. Barnaby has to go.. . Betrayed frightened & alone Barnaby floats into the path of a very special hot air balloon
- & so begins a magical journey around the world with a cast of extraordinary new friends.


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There's nothing unusual about the Brockets. Normal respectable & proud of it they turn up their noses at anyone different. But from the moment Barnaby Brocket comes into the world it's clear he's anything but ordinary. To his parents' horror Barnaby defies the laws of gravity
- & floats. Barnaby tries to keep both feet on the ground but he just can't do it. One fateful day the Brockets decide enough is enough. They never asked for a weird abnormal floating child. Barnaby has to go... Betrayed frightened & alone Barnaby floats into the path of a very special hot air balloon
- & so begins a magical journey around the world with a cast of extraordinary new friends.

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Readers will need to be very brave to enter the strange world of these weird & wonderful trolls! With their googly eyes warty skin scratchy feet & matted hair you wont forget them once you meet them! With fun text delightful illustrations fantastic touch-&-feel elements on every page & a spectacularly smelly ending this is one adventure that will keep fearless readers coming back for more. ...

This work presents history with twice the nasty bits left in.. .in a horrible new edition. Readers will delight in the dreadful details of Tudor life
- from cruel kings & queens like horrible Henry VIII to poor peasants & common criminals
- in the Terrible Tudors". " The Slimy Stuarts" is full of foul but fascinating facts about lousy life or the plague-ridden Stuarts revolting Roundheads & crafty Cavaliers. With curious quizzes gruesome games & terrible tests... History has never been so horrible."

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Through flaps pop-up wizardry & superb illustrations this ingenious book explains how to to times tables effortlessly. Chant ...

Take a look at the mad Tudor monarchs & their suffering subjects
- who just couldn't help losing their heads. Discover who invited
...

Take a look at the mad Tudor monarchs & their suffering subjects
- who just couldnt help losing their heads. Discover who invited
...

The men on board Her Britannic Majestys Ships Terror & Erebus had every expectation of triumph. They were part of Sir John Franklins 1845 expedition
- as scientifically advanced an enterprise as had ever set forth
- & theirs were the first steam-driven vessels to go in search of the fabled North-West Passage. But the ships have now been trapped in the Arctic ice for nearly two years. Coal & provisions are running low. Yet the real threat isnt the constantly shifting landscape of white or the flesh-numbing temperatures dwindling supplies or the vessels being slowly crushed by the unyielding grip of the frozen ocean. No the real threat is far more terrifying. There is something out there that haunts the frigid darkness which stalks the ships snatching one man at a time
- mutilating devouring. A nameless thing at once nowhere & everywhere this terror has become the expeditions nemesis. When Franklin meets a terrible death it falls to Captain Francis Crozier of HMS Terror to take command & lead the remaining crew on a last desperate attempt to flee south across the ice. With them travels an Eskimo woman who cannot speak. She may be the key to survival
- or the harbinger of their deaths. & as scurvy starvation & madness take their toll as the Terror on the ice become evermore bold Crozier & his men begin to fear there is no escape...



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