In the RF world, attenuators are a useful test and measurement tool. Variable units that can apply different levels of attenuation in discrete steps are even better. [DuWayne] made a 63 dB step ...
Truck-mounted attenuators are common today ... the whole thing has a very DIY feel to it. No fancy test crash lab was used, just a big open stretch of asphalt and a wire-guided mechanism to ...
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