Results 121 to 130 of about 4,418 (227)

New space research frequency band proposals in the 20- to 40.5-GHz range [PDF]

open access: yes
Future space research communications systems may require spectra above 20 GHz. Frequency bands above 20 GHz are identified that are suitable for space research.
Bishop, D. F.
core   +1 more source

A Quad-Channel Diplexer Using Stub-Loaded Step Impedance Resonators. [PDF]

open access: yesMicromachines (Basel)
Liu L   +5 more
europepmc   +1 more source

New Concepts for Quasi-Optical Structures for Use with Gyrotron Systems [PDF]

open access: yes, 2009
Erckmann, V.   +5 more
core   +1 more source

Design and construction of a prototype ACTS propagation terminal [PDF]

open access: yes
The launch schedule for the Advanced Communication Technology Satellite (ACTS) spacecraft did not leave sufficient time for completion of the prototype ACTS Propagation Terminals (APT) prior to initiation of the APT production phase.
Gaff, Doug   +7 more
core   +1 more source

Flight test of ARINC 741 configuration low gain SATCOM system on Boeing 747-400 aircraft [PDF]

open access: yes
The Boeing company conducted a flight test of a SATCOM system similar to the ARINC 741 configuration on a production model 747-400. A flight plan was specifically designed to test the system over a wide variety of satellite elevations and aircraft ...
Murphy, Timothy A., Stapleton, Brian P.
core   +1 more source

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