Articles
Broadband wireless access up for auction
After unexpectedly high market demand for some apparatus licences, ACMA has decided to auction broadband wireless access licences in the frequency band 1900-1920 MHz in regional and remote areas during the first quarter of 2007
[ + ]Communication cables for Sydney's rail link
Radiocommunication underground has always been a difficult and specialised branch of technology. Mines and underground railways where conditions can be dark and cramped have always been in particular need of reliable contact with the surface
[ + ]Planar design produces wideband antenna
By taking advantage of a phenomenon that earlier designers had struggled to avoid, engineers at the Georgia Tech Research Institute (GTRI) have developed a new approach to phased-array antenna design
[ + ]The screen beauty who invented spread spectrum
Often called "the most beautiful woman in films", Hedy Lamarr was not only a beautiful and talented actress but an innovative and intelligent inventor. She proved this by co-inventing spread spectrum technology
[ + ]Audio paths could bring service together
The concept of radio interoperability has gained ground over the past couple of years. Public safety organisations use a variety of disparate communications systems
[ + ]The evolution of mobile networks
In recent years, mobile operators have been forced to change their technologies when rolling out the latest mobile telephony networks because councils and the public have become much more aware of the intrusion that towers and antennas create
[ + ]WA Police gets a world-class system
With the full implementation of Police Metropolitan Radio Network project in 2007, Western Australia Police (WAPOL) will have one of the most efficient communications and dispatch systems in the world
[ + ]Paving a digital future with P25
The events in the US and around the world since September 11, 2001 have spurred increased popular interest in public safety communications interoperability
[ + ]The digital plague
Just when we thought we had rid ourselves of the plague it has come back in a more modern form, infecting pets, airports and supermarkets through radio frequency identification tags (RFID)
[ + ]Setting the standards for 3G and beyond
The avenue for growth in remote electrical tilt antenna technology has been cemented with the collaborative development of an open communications protocol by 3GPP and the AISG advisory group, supported by Radio Frequency Systems
[ + ]Outsource and be damned
This follow-up perspective on last issue's article that looked at the realities of outsourcing, takes the author further into the disadvantages and limited advantages of a system that at face value appears to have great attractions
[ + ]Distance-to-fault: it ain't 'pass/fail'
While the 'distance-to-fault' (DTF) transmission line test is irreplaceable as a site diagnostic tool, the growing trend to specify threshold DTF performance levels is worrying RF practitioners the world over
[ + ]HF network saves lives in the Pacific
HF radio had long been associated with health services in Australia due to its connection with the Royal Flying Doctor Service. New advances in HF technology are resulting in HF being used throughout the South Pacific and neighbouring islands
[ + ]Outsourced systems - a higher price to be paid
From these sectors our industry has adopted many business approaches that have provided real benefits for users, manufacturers and service providers
[ + ]New radar captures tornado
Only a week after their custom-built mobile weather radar had been finished and newly deployed out at the University of Auckland's Ardmore field site, a tornado whirled through
[ + ]