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Press Release
Moseley's Howard Friedenberg's Paper to be Presented at NAB 2005.
for immediate release

SANTA BARBARA, CALIFORNIA. April 18, 2005. Sunil Naik will present Howard Friedenberg's paper Hitless Space Diversity STL Enables IP+Audio in Narrow STL Bands to the Broadcast Engineering Conference at the National Association of Broadcasters 2005 annual convention in Las Vegas.

HD Radio™ poses a new challenge to STLs, requiring the ability to transport an Ethernet channel at 300 kbps along side a 44.1 kHz sampled AES digital stereo pair and ultimately fit them into a single 300 kHz STL channel. This requirement is only possible with latest generation digital STLs operating with very high efficiency, e.g. 128 QAM. As QAM rates are increased, also is the sensitivity to multipath. “Hitless” switching enables real time space diversity antenna systems to combat instantaneous multipath fading on microwave paths that commonly occurs in Spring and Fall seasons. In this paper Moseley presents a new "hitless" switched transfer panel that completes a space diversity protected STL link which enables reliable link implementation at 128 QAM.

Presentation will be Monday, April 18 at 1:00 PM in the session “IT in the Radio Broadcast Facility".

Sunil Naik is Director of Engineering at the Moseley Santa Barbara Office. He can be reached at 805-968-9621 or

Howard Friedenberg is the Senior RF Engineer at the Moseley Santa Barbara Office. He can be reached at 805-968-9621 or

The digital STL experts from Moseley will be located at NAB 05 booth # N2306.


Moseley Broadcast, an ISO 9001 company, is part of the Moseley group of solutions companies, which includes Axxcelera Broadband Wireless, CarrierComm and Microwave Data Systems. The Moseley group offers wireless solutions from 9.6 kbps to 311 Mbps covering the 250 MHz to 38 GHz spectrum for both point-to-point and point-to-multipoint applications for the broadcast, industrial, broadband enterprise, and service provider marketplaces.

Moseley Broadcast has offices in Santa Barbara, California, with distributors and agents in over 70 countries. Moseley Broadcast now has. over 15,000 microwave systems in service in over 120 countries around the world and over 5000 Remote Control systems are telecontrolling aviation, utility, satellite, telecommunications and broadcast equipment round the clock. Additionally, Moseley Broadcast also provides in-house systems engineering, field engineering, and worldwide installations.
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