A small box has a switch for three bands — LW, AM, and SW. the two wires coming out of that box form a loop ... up to the feed point might pay off, although maybe some of the wire between the ...

The loop is directional and you can rotate the loop on the base to zero in on a particular signal. Of course, if the antenna were up in the air, it might be harder to rotate unless you work out ...

If your company has a MacBook computer with a malfunctioning internal Wi-Fi antenna, or if you want to switch up your mode of wireless connectivity, you can do so by hooking up an external antenna.