Word: antenna
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...primitive level, Martin's "Approach Aid" (on the market last week) has only 50 tubes and costs less than ?4,000 ($11.200), while a standard airport radar has something like 1,200 tubes and costs about ?50,000. The poor man's radar has no spinning surveillance antenna as does conventional Ground Control Approach Radar and so does not give a continuous radar-eye view of the air around the airport. Instead it shoots out only a single narrow beam of radar pulses. Guided by a direction finder, the operator swings the beam with a pair of "handle...
...Gordon McKay Laboratory, a pent-house is under construction, making possible the carrying on of antenna research...
...said yesterday that work is "already past the bulldozer stage." Building of the telescope house is proceeding rapidly at Agassiz Station. Ewen"s own firm is finishing the telescope's electronic receiver, while a Cohasset radar company has completed the tubular aluminum antenna (above...
Transporting the 25 foot, 800-pound parabolic antenna frame the 50 miles from Cohasset to Harvard is a problem, Bok admits. However, an Air Force helicopter may be used within the next ten days...
Ewen took the challenge and built up antenna and associated detection equipment. Twice his electronic apparatus proved too insensitive; but the third model (pictured above) worked on the first...