GPS can be a bit complex of a technology – you have to receive a signal below the noise floor, do quite a bit of math that relies on the theory of relativity, and, adding insult to injury, you also ...

I live on a farm in Africa. I have at my disposal, time and the usual low tech stuff like wire timber nails etc. I have no experience in this field. metal wire... wrap it around the connections on the ...

Build as described above but omit the reflector. I use such an antenna for UHF (675MHz centre) DVB-T transmissions. It compares very favourably to commercial Yagis. Gain is about 6 dBi and it has two ...

To use a smaller antenna, we need a higher signal frequency, and that’s what we do when we apply modulation to the signal. Modulation is simply encoding the low frequency signal in the information of ...

Know where to place your router and how to position its antennas should get you better coverage.

When it comes to electronics, bigger usually isn't better. This is especially true for a new generation of wearable communication systems that promise to connect people, machines and other objects in ...