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Touchstone

ISSN 1177-5874

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Telecommunications

Wellington Freeview frequencies changed in June

Issue 40 – July 2012

The frequencies for Freeview terrestrial services were changed ('re-stacked') in Wellington in June.

On the morning of 19 June Freeview viewers receiving transmission from the Kaukau, Baxter's Knob, Fitzherbert, or Haywards transmitters were reminded by on-screen messaging that they needed to retune their digital receivers.

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General User Radio License for Short Range Devices – update to the 921 – 928 MHz band

Issue 40 – July 2012

A new provision for 1 Watt devices in the 921 – 928 MHz band has been added to General User Radio License for Short Range Devices (GURL-SRD). The provision allows use of a higher unwanted emission limit, as long as devices are operated in the course of business by any person who manages a network consisting of five or more devices, and the number of simultaneous transmissions by devices in the network does not exceed 35 per square kilometre.

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Independent radio engineers and certifiers to provide all radio engineering for the New Zealand market

Issue 40 – July 2012

Radio Spectrum Management will no longer provide radio engineering for the New Zealand market. Independent radio engineers and certifiers will now provide this service to clients across all radio license types.

  ...[more]

No networked home without Standards

Issue 40 – July 2012

The home environment becomes increasingly networked and integrated: appliances get smarter and communicate better with entertainment devices, lighting, heating, cooling, and alarm systems as well as with the grid and utilities. Their operations and settings can also be controlled, even remotely, by users or operators. This integration is made possible because of standardisation work by the IEC, in collaboration with its sister organisations, ISO (International Organization for Standardization and ITU (International Telecommunication Union). This joint work will make the future home more energy efficient and comfortable.

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Keeping intruders at bay – IEC Standards for reliable alarm and security systems

Issue 40 – July 2012

Producers of intrusion alarm and electronic security systems, whose past activities have focused mainly on industrial, commercial and government premises, have found new business opportunities and a potentially lucrative market in the home and residential environments. IEC TC (Technical Committee) 79, Alarm and electronic security systems, prepares Standards for equipment used by manufacturers in a sector which is projected to grow by nearly 5% a year over the 2011 – 2015 period.

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IECEE celebrates WTO ITA 15th anniversary

Issue 40 – July 2012

The past 15 years have seen the extraordinary growth of the ICT (information and communication technology) sector. The emergence of mobile devices, and their immediate success in markets worldwide, has provided an additional boost to a sector that was already expanding rapidly.

ICT sector vital for world economy

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Testing ensures compatibility from the outset

Issue 40 – July 2012

IEC International Standards help prevent interference between systems

Electromagnetic interference was widespread a few decades ago. It was most obvious in households when TV screens would suddenly fill with 'snow' or radios crackle when hair dryers or vacuum cleaners were switched on at home or in a neighboring flat. These incidents have largely become a thing of the past, thanks to IEC work in the domain of electromagnetic compatibility (EMC). New international Standards ensure this remains the case in an environment where more and more electronic and electrical systems are in use.

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NEW JOINT STANDARD

Issue 40 – July 2012

AS/NZS CISPR 13:2012 Sound and television broadcast receivers and associated equipment – Radio disturbance characteristics – Limits and methods of measurement

Specifies the generation of electromagnetic energy from sound and television receivers for the reception of broadcast and similar transmissions and from associated equipment. The frequency range covered extends from 9 kHz to 400 GHz. Identical to, and reproduced from, CISPR 13, Ed. 5.0 (2009).

Supersedes AS/NZS CISPR 13:2004

JOINT STANDARDS WITHDRAWN

Issue 40 – July 2012

  • AS/NZS CISPR 13:2004 Sound and television broadcast receivers and associated equipment – Radio disturbance characteristics – Limits and methods of measurement
    Superseded by AS/NZS CISPR 13:2012