Nautel-VS1-DRM-Test-India

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Nautel’s VS1 puts DRM+ On-Air in India

 

A Nautel VS1 low power FM transmitter was the transmission backbone of DRM+ trial measurements in India that “have thrown up very satisfactory results,” according to the DRM Consortium. The tests conducted during the week of May 23rd, 2011 were organized jointly by All India Radio (AIR) and the DRM (Digital Radio Mondiale) Consortium, and demonstrated the viability of DRM digital radio in the FM band for the Indian market.

In addition to the Nautel VS1 transmitter with VSDRM+ exciter, an RFmondial DRM+ Modulator and Fraunhofer DRM ContentServer R5 were installed at the headquarters of AIR in the heart of New Delhi, carrying the live programming of both AIR Gold and AIR Rainbow plus the Journaline text news service. These three program channels were carried on the test frequency of 100.1 MHz while reception was measured by a test vehicle moving in four alternate directions from central New Delhi where the Nautel transmitter was installed.

 

DRM India Trial Testing

Out and about in New Delhi with the test vehicle.

 

Coverage of the DRM+ signal at roughly 500 W radiated power (300 W transmitter output) exceeded the predicted 10 km reach. It could be successfully received up to 28 km on the first day and was comparable with that of analogue FM station operating at 5 times the power of the DRM+ signal.

“We are excited to be participating in these important digital transmission tests throughout the world,” said Peter Conlon, Nautel President and CEO. “The technologies our engineers have developed to support DRM, DRM+ and HD Radio™ broadcasting have been proven to be both robust and efficient.”

 

Nautel-DRM-India-Showcase-2011

DRM+ India Showcase week included presentations and a workshop with extensive hands-on experience.

 

In addition to the test, Nautel participated in the DRM+ India Showcase week (23rd-27th May) with a presentation on digital transmission technologies given by John Abdnour, Nautel Regional Sales Manager (Asia-Pacific). John also participated in a workshop held for AIR engineers and members of the industry to learn and discuss all aspects of DRM technology involving extensive hands-on experience, field trips and discussions of new content offers, transition strategies, simulcast, and receivers.


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