In Broadcast - April 2012 - 42


WWW.INBROADCAST.COM | ISSUE 7 - APRIL 2012

InMEDIA

Satellite And Cable Inextricably Linked
Kevin Hilton examines the technical edge between satellite and cable
Cable and satellite are always lumped together – like sausageand-mash, liver-and-bacon, sexand-violence – regardless of the fact that the constituent parts have separate lives and functions of their own. There is a connection, though, and the two are conjoined in many respects as parts of a wider broadcasting system beyond their own worlds. Cable could be regarded as the lesser partner because it is dependent on its sky-borne rival for feeds to the head-end but it is an increasingly important and lucrative market, with fast broadband networks driving demand for TV / video services as much as telephony and internet connections. Despite this, satellite still appears to have the practical and technological edge over its grounded competitor. More space hardware is being sent up, bringing an even wider selection of channels and services, from radio to data as well as TV. Satellite is also a crucial part of the broadcast infrastructure providing uplinks for location news reports and live events, including sport, music concerts and theatre

Kevin Hilton

42

SIS LIVE satellite dish

SNG OB vehicle

shows relayed to cinemas. Because of all this activity satellite runs the risk of being a victim of its own success. As demand for places in the heavens continues and more hardware is being put up in space there is now concern that not only will capacity on each bird reach its limits but there are now fewer possible places to position new satellites. New technologies are playing an important part in extending the existing infrastructure to allow more TV channels, telephony services and data connections to

be squeezed into a finite space. A massive leap has come in the last two years with the introduction of Ka band satellites. These are part of the overall K band microwave component of the electromagnetic spectrum; the initials stand for K above, denoting that it operates at higher frequencies than the base K band, which is 8 to 27GHz. Ka band has a range of 26.5-40GHz, compared to the 12–18 GHz spread of the Ku (K-under) band. Like the S and C bands, Ku has long been a workhorse for satellite and terrestrial microwave

communications, and radar. When Ka band was first designed by the IEEE it was proposed for radar and experimental communications. Now its greater frequency handling capability is seen as ideally suited to the broadcast market, which has a voracious appetite for space, as well as broadband internet and general communications for farflung places. “I don’t believe anyone would say that it isn’t a viable carrier for broadcast signals,” comments Mark Shadbolt, Sales Director of SIS
CONTINUED ON PAGE 43

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Table of Contents for the Digital Edition of In Broadcast - April 2012

In Broadcast - April 2012
Contents
Broadcast Networks Delivers for Arqiva
Swedish Hockey Safe in the Bank
Viewcast Launches Niagara 9100 Series
Cavena: Enhancing the Value of Content
Broadcast Pix Announces Video Control Center 3.0
Telecast’s Latest Innovations
Glidecam Introduces XR-Series Stabilisers
Qvest Media Live With Code One Streaming
Volicon Extends Observer Utility
Petrol Bags Add to Audio & DSLR Range
In Broadcast - April 2012 - In Broadcast - April 2012
In Broadcast - April 2012 - Cover2
In Broadcast - April 2012 - Contents
In Broadcast - April 2012 - Broadcast Networks Delivers for Arqiva
In Broadcast - April 2012 - 5
In Broadcast - April 2012 - Swedish Hockey Safe in the Bank
In Broadcast - April 2012 - 7
In Broadcast - April 2012 - 8
In Broadcast - April 2012 - 9
In Broadcast - April 2012 - 10
In Broadcast - April 2012 - 11
In Broadcast - April 2012 - 12
In Broadcast - April 2012 - 13
In Broadcast - April 2012 - 14
In Broadcast - April 2012 - 15
In Broadcast - April 2012 - 16
In Broadcast - April 2012 - 17
In Broadcast - April 2012 - 18
In Broadcast - April 2012 - 19
In Broadcast - April 2012 - 20
In Broadcast - April 2012 - 21
In Broadcast - April 2012 - Viewcast Launches Niagara 9100 Series
In Broadcast - April 2012 - 23
In Broadcast - April 2012 - 24
In Broadcast - April 2012 - 25
In Broadcast - April 2012 - 26
In Broadcast - April 2012 - Cavena: Enhancing the Value of Content
In Broadcast - April 2012 - 28
In Broadcast - April 2012 - 29
In Broadcast - April 2012 - 30
In Broadcast - April 2012 - 31
In Broadcast - April 2012 - 32
In Broadcast - April 2012 - 33
In Broadcast - April 2012 - 34
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In Broadcast - April 2012 - 36
In Broadcast - April 2012 - 37
In Broadcast - April 2012 - Broadcast Pix Announces Video Control Center 3.0
In Broadcast - April 2012 - 39
In Broadcast - April 2012 - 40
In Broadcast - April 2012 - 41
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In Broadcast - April 2012 - 52
In Broadcast - April 2012 - 53
In Broadcast - April 2012 - Telecast’s Latest Innovations
In Broadcast - April 2012 - 55
In Broadcast - April 2012 - Glidecam Introduces XR-Series Stabilisers
In Broadcast - April 2012 - 57
In Broadcast - April 2012 - 58
In Broadcast - April 2012 - 59
In Broadcast - April 2012 - 60
In Broadcast - April 2012 - 61
In Broadcast - April 2012 - 62
In Broadcast - April 2012 - Qvest Media Live With Code One Streaming
In Broadcast - April 2012 - 64
In Broadcast - April 2012 - 65
In Broadcast - April 2012 - Volicon Extends Observer Utility
In Broadcast - April 2012 - 67
In Broadcast - April 2012 - 68
In Broadcast - April 2012 - 69
In Broadcast - April 2012 - Petrol Bags Add to Audio & DSLR Range
In Broadcast - April 2012 - Cover3
In Broadcast - April 2012 - Cover4
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