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  1. 1. TELE-audiovision International The World’s Largest Digital TV Trade Magazine since 1981 Alexander Wiese Publisher HQ in Munich, Germany Address TELE-audiovision International, PO Box 1234, 85766 Munich-Ufg, GERMANY/EUROPE Editor-in-Chief Alexander Wiese, Published by TELE-audiovision Magazine GmbH, Aschheimer Weg 19, 85774 Unterfoehring, GERMANY/EUROPE Design Németi Barna Attila Advertising or email to Hard Copy Subscription Hard Copy Subscription by Courier Service Send Order to Copyright © 2013 by TELE-audiovision ISSN 2195-5433 TELE-satellite was established in 1981 and today is the oldest, largest and most-read digital tv trade magazine in the world. TELE-satellite is seen by more than 350,000 digital tv professionals around the world and is available both in printed form and online. Dear Readers, It has never been easier to measure digital signals. For the past three years we’ve seen how the availability of signal analyzers has gotten larger and larger. At first it was just modified digital TV receivers that were placed in a housing that made it look like a signal analyzer. But it’s not like that today anymore! The newest signal analyzers are real analyzers that show real results. Even operating these analyzers has become easier and easier and, even more surprising, their measurement precision has steadily improved while at the same time the price for these signal analyzers has gotten lower and lower. Is there any excuse not to measure digital signals anymore? The answer is simply: no. At the same time though the requirements are increasing for everyone who gets involved with digital TV installations. Since there are no longer any excuses to install something correctly and to provide the installation with a formal test protocol, every installer and system designer must pay much closer attention than ever before to correct values. Whatever you plan and install has to be done much more carefully now. This is a nice consequence from the increasing number of signal analyzers that now more and more digital TV professionals are able to afford. The quality of their work will increase as a result. This is also necessary, the complexity of today’s technology requires it. It’s a parallel technological development: many of today’s digital TV technologies are being utilized in the best possible way in today’s signal analyzers. In every issue of TELE-audiovision we present to you an updated overview of all the currently available signal analyzers. Take a look inside this issue starting on page 128. Even if you already have a signal analyzer, there are a lot of new things to discover and more often than not these new analyzers are quite affordable. Alexander Wiese Editor-in-Chief TELE-audiovision International