[Mare] has a visual guide and simple instructions for making DIY mini helical 868 MHz antennas for LoRa applications. 868 MHz is a license-free band in Europe, and this method yields a perfectly se… ...

DIY electronics blog LucidScience has an easy to follow—if lengthy—tutorial on harvesting parts from an old radio to build your own simple FM bug. When you're done you'll have a simple ...

One of the first antenna projects many new operators make is the simple 2-meter "J pole."Usually made out of copper plumbing pipe ... Portable antenna is easy to build .

Build the Array Bend the 17-inch-long copper wires into eight "ears," or acute angles, with 3 inches of space separating the ends. Lay the 32-inch pine board flat, arrange the ears, and thread the ...