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Here are the building and construction plans for the Turnstile antenna that I use to communicate in space on the 2 meter amateur radio band.A Turnstile antenna with a display underneath it makes a good antenna for local communications because it creates a circularly polarized signal pattern and also has a wide, high angle pattern. Because of this characteristic, there is no need to...

Perhaps the biggest challenge when getting your HT bike is figuring out the right antenna for your bike. This is because the bike does not offer much of a ground plane. How To Make A 2 Meter Antenna For Bike Mobile This antenna is a 1/2 wave vertical dipole built for RG-58/ U coax. The appeal of this design is that it is cheap,...

FM radio station antenna is one of the most important and expensive transmission equipment for your FM radio station. It can save you a lot of time and effort and save you money if you can choose a strong FM radio antenna with good performance.It is important, especially for RF beginners. However, they need a buying guide to help them sift through the most...