Cable antenna for digital TV in 5 minutes
A super simple and super fast-to-manufacture antenna from a coaxial cable for receiving digital television channels can be made with your own hands in about 5 minutes. For this you do not need absolutely anything except the cable itself. And this is the main plus of this antenna.
Nowhere without a TV.
This design will surely help you out, for example, when you have just moved into your home and still managed to neither stretch the cable nor put up a stationary antenna. Of course, this is not the only example where this truly simple loop antenna will help.
Now, in the comments, someone will definitely write that there are even simpler antennas, such as a whip. For the manufacture of which it will be enough just to remove two insulation from the cable and everything will work. Of course, I agree with this, but the loop antenna, which I will make from a coaxial cable, will have much higher gain, due to its directivity and resonant-closed loop.
Making an antenna from a coaxial cable
This is what the version made of black cable looks like.
And now the manufacture of the antenna in order. All we need is less than half a meter of coaxial cable of any color. I took the white one.
We retreat 5 cm from the edge of the cable and remove the upper insulation.
Next, we remove the insulation from the central core.
Now we twist everything together neatly and tightly.
Then, from the edge with the removed insulation, we retreat 22 cm and cut out a piece of 2 cm of the upper insulation and the shielded wire with the file, without touching the insulation of the central core.
Now we measure another 22 cm from the end of the cut and make a cut 1 cm wide only with the removal of the upper insulation. Do not touch the cable shield.
Next, we take the end of the cable from which we started. And we tie it very tightly at the last cut, forming a circle of the antenna.
At this point, our antenna is ready to work. Of course, this is not necessary, but if you hang the antenna on the street, then it is better to insulate all the bare areas of the cable with electrical tape. You can also add a rigid frame, but this is optional.
Antenna location
We direct the antenna to a repeater or television tower. The direction can be chosen empirically by rotating the antenna.The best option would be if you place it outside the window, since the walls of the house very much muffle the high-frequency signal.
The check showed an excellent result of work
