Finding the needle in an electronic haystack Recording and playing back voice communications from a trunked radio system requires less equipment with a method that records ‘raw’ RF channels. Digital compression techniques extend recording times to more th 1st September 1996
NPCS technology development advances one-way paging Although driven by narrowband PCS two-way paging, the interswitch wireless messaging transfer protocol (WMtp) advances one-way paging systems to support E-mail gateways and World Wide Web access. 1st September 1996
Battery maintenance made simple Regular battery maintenance prolongs battery life, keeps the battery fleet in good working condition and provides the user with confidence. Also, fewer batteries are discarded–a direct cost savings. 1st September 1996
Helicopter operations for service technicians As communications sites become more remote, helicopters may become as commonplace for installation, service and maintenance trips as panel trucks. Learn how to use this means of transportation to your customer 1st September 1996
Computer analysis of intermod requires a pragmatic approach A prescription for an effective computer program to calculate intermod includes practical and user-friendly techniques for entering and analyzing data. 1st September 1996
Tips for police cruiser installations Pre-planning, care in running wire and cables, a master ground and proper antenna placement are keys to a successful installation. Good quality control is also an important element in preventing unnecessary callbacks. 1st August 1996
Frequency domain reflectometry vs. time domain reflectometry Here are the fundamentals of two measurement technologies and a nuts-and-bolts look at the practical implications for RF antenna systems. 1st August 1996
Latest 3GPP standards-development work includes new classes of HPUE, progress on mission-critical services 1 22nd April 2024
Is LMR the best solution for first responders? Should 4.9 GHz license go to the FirstNet Authority? 2 24th March 2024
