Efficient antenna systems - X-band gain measurements
X-band gain measurement of Venus Deep Space Instrumentation Facility antennas
DEEP SPACE INSTRUMENTATION FACILITY /DSIF/↗
Engineering topics
Bathker, D. A.
Publications and source records attributed to Bathker, D. A..
Efficient antenna systems - A stepped-mode transducer using homogeneous waveguides
Rectangular-to-cylindrical stepped mode transducer using homogenous waveguides for efficient antenna systems
ELECTRONIC TRANSDUCER↗
Efficient antenna systems - Advanced antenna system radiation patterns obtained using the Surveyor I spacecraft
Antenna system radiation patterns obtained using Surveyor I spacecraft
SURVEYOR I SPACECRAFT↗
An ultra low-noise receiving system for deep space telemetry reception.
Ultralow-noise planetary radar receiving system with high-performance feed and maser preamplifiers, noting aperture utilization
FEED SYSTEM↗