Users of non-public mobile radio have only recently begun to switch to digital professional mobile radio (DPMR the "P" is sometimes used to mean "private" rather than "professional"), even though it h
For those planning and designing cellular mobile telecommunications systems, Ortigoza-Guerrero and Aghvami (both telecommunications, King's College, London) address the problem of allocating channels
The Earth is soon to be cross-hatched by over 300 million cellular and personal communications services (PCS) telephones. From 1991 when they were introduced to now, time division multiple access (TDM
Discusses the use of low Earth orbital (LEO) satellite systems for a global personal communication network (PCN), concentrating on the performance of LEO satellite systems with employment of either CD
God seeks real relationship. He is not a religion, He is not an idol... He is love. As Christians, we need to learn how to hear and recognize His voice. The Lord can do amazing, awesome things.. if w
Check out a book and read your future. . . . It's another page-turning adventure from #1 New York Times bestselling author D. J. MacHale!Marcus is an agent of the Library, a place filled with tales th
“I'm not sure anyone does suspense quite like D. J. MacHale.” —James Dashner, bestselling author of the Maze Runner seriesThe next fast-paced, thrilling adventure from bestselling au
The next fast-paced, thrilling adventure from bestselling author D. J. MacHale! Check out a book and fall under its spell . . . literally. Marcus is an agent of the Library—a place that e
Previously published as Curse of the Boggin. A fast-paced, thrilling series opener from bestselling author D. J. MacHale. Check out a book—and unlock an adventure! There’s a place b
“I’m not sure anyone does suspense quite like D. J. MacHale.” —James Dashner,New York Times bestselling author of the Maze Runner series Leave the lights on for this spooky thriller from D. J. Ma
