Antenna Construction Activities 1999


Angle Encoder

Resolver readout repeatability of 0.031" rms


Azimuth Bearing

A cross roller bearing of a diameter=2.6 meter
6.8 micro-meter rms


Central Hub

An invar central hub


Panel Adjuster

A test of three-point panel adjuster mechanism


Subreflector

A 45-cm subreflector with an accuracy of 5.8 micro-meter rms


Under Construction

progress


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