The deep space network's X/X/Ka feed: Modifications for 100 kW CW uplink operation

The deep space network's X/X/Ka feed: Modifications for 100 kW CW uplink operation

The Deep Space Network, which provides communication services for NASA's robotic missions, consists of a number of 34m beam waveguide antennas and conventional 70m dual-reflector antennas located around the globe,. The 34m beam waveguide antennas employ a three-band feed covering the deep space...

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Hauptverfasser: Hoppe, Daniel J, Khayatian, Behrouz, Sosnowski, John B
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Sprache:eng
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Antenna feeds
Band pass filters
Downlink
Junctions
Noise
Power harmonic filters
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Sosnowski, John B
description The Deep Space Network, which provides communication services for NASA's robotic missions, consists of a number of 34m beam waveguide antennas and conventional 70m dual-reflector antennas located around the globe,. The 34m beam waveguide antennas employ a three-band feed covering the deep space uplink band near 7.2 GHz, and downlink bands at 8.45 and 32 GHz. Simultaneous uplink commanding at 25 kW CW and ultra low noise reception in both bands is supported along with monopulse tracking at 32 GHz,. An existing uplink capability of 25 kW is also available on the 70m antennas using a more conventional X/X diplexing feed. In order to provide an equivalent uplink capability with the 34m antennas the X/X/Ka feed is currently being modified for 100 kW CW operation,. Here we will discuss both the existing feed and the 100 kW modifications which are underway.
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subjects Antenna feeds
Band pass filters
Downlink
Junctions
Noise
Power harmonic filters
title The deep space network's X/X/Ka feed: Modifications for 100 kW CW uplink operation
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