High Technology Companies
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 Hazeltine Corporation was a prominent American electronics company that
played a significant role in the development of various military and aerospace
technologies during the mid-20th century. The company was founded in 1924 by
Louis Alan Hazeltine, along with Dr. Marvin Camras and Dr. Frank Lewis, and it was headquartered in Chicago,
Illinois. Hazeltine Corporation was known for its contributions to the fields of
radio engineering, radar, and electronic countermeasures.
During World War II, Hazeltine was involved in the
development of radar systems for military applications. Their work on radar
technology was crucial in improving the effectiveness of air defense and
anti-submarine warfare. Hazeltine's engineers developed the AN/APG-36 illuminator
radar, which was used in the AIM-7 Sparrow air-to-air missile system,
significantly enhancing its accuracy and effectiveness. The company also worked on electronic
countermeasures systems to jam enemy radar and communication systems, which
helped protect military aircraft and ships. Hazeltine was also involved in the development of
television technology and electronic communication systems.
In 1973, Hazeltine Corporation became part of Emerson Electric
Co., which was a global technology and engineering company.
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 While working on an
update to my
RF Cafe Espresso Engineering Workbook project to add a couple calculators
about FM sidebands (available soon). The good news is that AI provided excellent
VBA code to generate a set of
Bessel function plots. The bad news is when I asked for a
table
showing at which modulation indices sidebands 0 (carrier) through 5 vanish,
none of the agents got it right. Some were really bad. The AI agents typically
explain their reason and method correctly, then go on to produces bad results.
Even after pointing out errors, subsequent results are still wrong. I do a
lot of AI work and see this often, even with subscribing to professional
versions. I ultimately generated the table myself. There is going to be a
lot of inaccurate information out there based on unverified AI queries, so
beware.
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