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Copper Mountain Technologies (VNA) - RF Cafe

Reginald Denny: A Short Biography

Reginald Denny (AMA Museum) - RF CafeReginald Denny (November 20, 1891-June 16, 1967) was a man of many talents and interests. He was born on November 20, 1891, in England, and grew up to become an actor, aviator, and airplane designer. Denny began his career in show business working with a stage group and later toured parts of the world in his early 20s.

During World War I, Denny served as an aviator with the Royal Air Force. He resumed his acting career when the war ended, but he also kept up with his airplane passion. He moved to Hollywood to work in the film industry and opened a model store called "Reginald Denny's Hobby Shop."

In the 1930s, Denny's model kit, the Denny Jr., became very popular. His company, Reginald Denny Industries, also produced Dennymite engines that were frequently used by modelers, as well as Jimmie Allen kits and other kits for children.

During World War II, Denny's company made RC target drones for the military, called Radioplanes. Norma Jeane Mortenson, who later became famous as Marilyn Monroe, worked on building these planes in the shop and was "discovered" there.


AI Competition: ChatGPT-Gemini-Grok 3, GabAI - RF CafeThis content was generated by primarily the ChatGPT (OpenAI), and/or Gemini (Google), and/or Arya (GabAI), and/or Grok (x.AI), and/or DeepSeek artificial intelligence (AI) engine. Some review was performed to help detect and correct any inaccuracies; however, you are encouraged to verify the information yourself if it will be used for critical applications. In some cases, multiple solicitations to the AI engine(s) was(were) used to assimilate final content. Images and external hyperlinks have also been added occasionally. Courts have ruled that AI-generated content is not subject to copyright restrictions, but since I modify them, everything here is protected by RF Cafe copyright. Many of the images are likewise generated and modified. Your use of this data implies an agreement to hold totally harmless Kirt Blattenberger, RF Cafe, and any and all of its assigns. Thank you. Here are the major categories.

AI Technical Trustability Update

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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Copper Mountain Technologies (VNA) - RF Cafe