The Biquad Yagi is a powerful hybrid antenna that I have developed over the past 3 years. It all started when I was sent a picture of an unusual antenna found on the internet by one of my YouTube subscribers. It peaked my interest as it was indeed unusual, a strange cross between a Yagi wrapped around a Biquad style element shape. So I built one and to cut a long story short, it did not work! I did like the idea though so I changed the design, tweaked the measurements and simplified the construction and what do you know boom it worked. Infect it did more than work for its size it was more powerful than a 14 element Yagi. So I made a video to share the measurements as well as showing how to make one for yourself.

So a year went by and in that year I had been inundated with emails from people asking if I would sell them but the problem was the original design was not very sturdy it needed constant maintenance as the solder joints would fail and the overall construction was not production friendly as it took around 12 hours to make just one. So I went back to the drawing board and 3 years on I have sold over 500 of the stranded 2.4GHz version alone. So why offer a Kickstarter I here you ask?

This antenna should be connected instead of the standard antenna of your Wi-Fi router to increase the range. This 15 element DIY USB Wifi Yagi antenna works better then my Cantenna. Now that it operates perfectly I.

Well for the past 18 months I have sold the standard 2.4GHz Biquad Yagi using the money to develop the long range version and the 5,8GHz version for FPV. And in that time the price has stayed the same even though production costs have increased. So to launch the long range and FPV versions I have decided to offer all three as a Kickstarter and this way if successful a higher volume order will enable me to offer them at the same price they were 18 months ago.

Each digital TV stream uses the bandwidth of an old analogue channel, but it can carry several of the old analogue TV channels. In Australia, the same analogue TV channel number was allocated to the same TV company in many cities. That company was then named after the channel number. Since the transition from analogue TV to digital TV required parallel operation for a number of years, the Company names could not remain attached to the original allocated channel. I think you may now be confusing traditional channel names with the channel allocated for the digital TV stream. That channel information is available on the web if you look. You seem to be confused and to be guessing how it might work.

You are then asking for confirmation. Without knowing your country, region or city it is very hard to guess at the answers to your questions. When US went digital stations kept their channel number but it might be assigned to a different frequency. Lots of vhf stations moved to uhf frequencies here in US every station has its channel number by which it's known to the public and appears in all its logos and another 'RF Channel' number denoting what frequency it actually occupies. EG my local channel 6 PBS moved from RF channel 6 to RF channel 40 so now i can use a much smaller antenna for that one.

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But my other PBS channel, 19, only moved one slot up to RF channel 20. See My first 'converter box' displayed both numbers, the actual RF channel and the number by which it is known, plus its actual frequency in mhz. I guess our FCC took to heart that line from old Beatles' song 'Rocky Raccoon'.

Her name was McGill, she called herself 'Lil', but everyone knew her as Nancy. Antennas work by accelerating electrons.

Accelerating electrons emit photons. Since the EM field is a gauge field, phase matters. Thus an 'antenna' a full wavelength long has an average phase of 0º and doesn't emit many photons. For every electron moving one way, there's another going the opposite way. But an antenna that is ½ wavelength long has all the current adding part of the time. So 180º phase radiates well. There is a principle called reciprocity which states that antennas which emit well also receive well.

I'm not fully clear on why. Something called image current also exists. An image current is caused in a conductor when electrons (or other charges) move near it. The negative charge of the electron draws a corresponding positive charge which exactly matches the electron's movement. This image current can be used to adjust the electrical length of an antenna. For example a quarter wave dipole creates another quarter wave in the ground plane like a mirror. This adds up to a half wave which makes a good antenna. Future fight kuda vvoditj chiti.

Finally, an antenna attaches to a transmission line. It acts as an impedance transformer between the transmission line and free space. Transmission lines can be any impedance, but 50Ω is typical. Air has an impedance of 377Ω. So the antenna typically needs to have an input impedance of 50Ω.