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The AN/URM-25 was part of a series of vacuum tube-based signal generators built for the U.S. military in the early Cold War-era.. Today they are collected and used by vintage amateur radio and antique radio enthusiasts who say they provide reasonably high accuracy and stability for a low cost, with build quality reflecting tough military construction requirements and standards.
An RF receiver module receives the modulated RF signal, and demodulates it. There are two types of RF receiver modules: superheterodyne receivers and superregenerative receivers . Superregenerative modules are usually low cost and low power designs using a series of amplifiers to extract modulated data from a carrier wave.
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Former Google CEO Eric Schmidt says human-directed AI-controlled drones are the future of war. Schmidt's startup, White Stork, is developing drones for Ukraine to use in its war with Russia.
TikTok and its Chinese owner ByteDance have turned to a veteran U.S. Supreme Court lawyer as they prepare to ask the justices to block a law that could ban the popular short video platform in the ...
Syrian rebel leader Ahmad al-Sharaa - better known as Abu Mohammed al-Golani - told Reuters in a written statement on Wednesday that he would dissolve the security forces of the toppled regime of ...
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A weekend getaway became a nightmare for one couple when biting ants fell from the ceiling onto them as they slept. Here's how to keep it from happening to you.