Previous newsletters, dealing with the subject of telecommunication systems, are available in PDF or HTML format. Please choose the format of your choice by clicking on the following address.

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Volume 3 Number 1, April 2005, Unlicensed Band. Thinking of intalling equipment in the unlicensed bands for communication applications...Think again, the unlicensed bands are becoming increasingly popular and congested with interference. Hence, more and more private network operators using the technology available for these bands are turning to telecommunication engineering firms to help them out of the unlicensed band interference nightmare. Read ahead to see how proper engineering can help solve the problems encounterd today when installing a spread spectrum equipment in the unlicensed bands. PDF version (NEW!)

Volume 2 Number 1, October 2003, Electromagnetic Interference (EMI). Electromagnetic interference problems are complex and difficult to solve. In order to make sure that your product will not cause, or be victim of electromagnetic interference, you must ensure that it meets the national and/or international electromagnetic compatibility standards. PDF version

Volume 1 Number 5, August 2002, Co-location and Proximity. The site sharing and the proximity of broadcasting or navigational aid sites require some care in order not to disturb and not to be disturbed by the systems already in place. PDF version

Volume 1 Number 4, August 2002, RF signal measurements. RF signal measurements are essential to an optimal operation of your network or station. In this fourth installment of YRHspectrum, we'll discuss the possibilities, advantages and necessary equipment to perform RF field measurements. Enjoy! PDF version

Volume 1 Number 3, July 2002, In-Building Wireless Coverage. In this third installment of YRHspectrum, we move inside the building
and discuss the issues pertaining to indoor wireless coverage and the
advantages of such systems for property owners.
Enjoy! PDF version

Volume 1 Number 2, July 2002, Effective Management of Telecommunication Sites Space efficiency is a primary objective in the design and installation of telecommunication equipment on rooftops and towers. To optimize the space, proper attention must be given to the many management, technical and security issues that confront telecommunication sites. How to successfully obtain the greatest return from the available space while answering all of the telecommunication issues?PDF version

Volume 1 Number 1, June 2002, Electromagnetic «Smog »? The challenges of managing high levels of electromagnetic radiations generated by wireless telecommunication systems: How to evaluate conformity with safety recommendations and how to ensure the safety of workers and of the general public. PDF version