HAM radio is easier to learn as you go. But the problem is that you need a license before you can even use one. Well, it only takes seven days.
How To Build A Tin Can WiFi Antenna - This little hack improves your wifi range so much the modem companies have tried to hide this for years!
Engineer (4) - USB Solar charger in an Altoids tin
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home made tv antenna
Home Brew Compact 6dBi Collinear Antenna for 802.11