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,,,let it be a sketch....

",,,such a yagi antenna can also be attached to the focus of a parabola.... The 8x8 boom is made of insulating material....

,,,for which antenna...??

After an idea of Vman... Sector Antenna 2442mhz.cst

,,,no...

Lunokhod-1 and its antennas! Is the antenna a cannon or a ribbed rod? In fact, this is an antenna complex! Ribbed-rod guiding director system with an active element in the form of a spiral axial radiation antenna! Do you want a good 4G LTE MIMO antenna "like Lunokhod-1" for your dacha?

The helical antenna is a hybrid of two simple radiating elements, the dipole and loop antennas. A helix becomes a linear antenna when its diameter approaches zero or pitch angle goes to 90º. On the other hand, a helix of fixed diameter can be seen as a loop antenna when the spacing between the turns vanishes (α = 0º ) . Helical antennas have been widely used as simple and practical radiators over the last five decades due to their remarkable and unique properties. The rigorous analysis of a helix is extremely complicated for Circularly Polarized Patch-Helix Hybrid Antenna with Small Ground. Helical antenna calculator...http://jcoppens.com/ant/helix/calc.en.php

The Best Wideband Magnetoelectric Dipole Antennas With Dual Polarization and Circular Polarization... 07091876.pdf

Petra 9-simulation and dimensions...

Hope to see you via EME(Earth-Moon-Earth) on 23 cm Two-way radio communication on VHF ,UHF,SHF and above using the Moon as a passive signal reflector. Commonly referred to as “moonbounce”.

Do you mean 1 mm, not 10 mm?

This antenna is not good enough... 3.52ghz.cst

,,,yes..

I'll try...!!!!

,,,something like that... ,,,for a panel with more than two antennas a different configuration is required...!!!!

A combination of rectangular loop array and slot radiator for multiband applications is presented. The antenna is configured by arranging, concentrically, a set of rectangular loop radiators excited by electromagnetic coupling provided by a dumbbell slot. overall dimensions=91.5x119.5x22.5 mm

Waveguide slot antennas are a type of microwave antenna that use a hollow metal tube, called a waveguide, to transmit and receive electromagnetic waves. They have slots cut along the length of the waveguide, which act as radiating elements. Waveguide slot antennas have some advantages over other types of antennas, such as high efficiency, low loss, and wide bandwidth. Single Sided 8 Slots Waweguide...41x20x360mm....

It's interesting to see how you worked with deepseek...????

This project is dedicated to Doyt R. Hoverman (b.1913), the man who created and did the early work on the Hoverman antenna at a time when antenna modeling programs did not exist. His work would have been entirely created and improved by field testing, trial and error, and with a great amount of calculation without the benefit of electronic devices. Without his efforts, our work would not have been. Doyt Hoverman passed away in December, 1989 at Van Wert, Ohio, USA. Technical data Simulation With insulating spacers

Backfire Antenna is a very small antenna with extremely good gain. With a half power beamwidth of 32 degrees, the backfire is a highly directional 2.4 GHz antenna to put the signal exactly where you want it. The backfire is convenient because of its small size. The 17 dB of gain is incredible for an antenna this size. Installation is very simple with the included mounting bracket. The backfire is weather-proof because of it's ABS radome, which covers the radiating element. If you have limited space but still need a high gain antenna, the Backfire is the perfect antenna for you WiFi installation. For full specifications, please see datasheet below.

,,,it's possible like that...let's see...!!!

Of course, with a bucket we are trying to "step twice into the same river". Discussion metal bucket as the horn has already been discussed on the internet. It is obvious that to draw energy from the twice same amount of space is impossible. Please note that the effectiveness of the example is superior to the dual mirror system and is comparable with them on bandwidth supports. Use galvanized buckets as the mouthpiece, which probably can be discussed in detail . And in this example, dispelled some myths. In particular, square (rectangular) patch element easier to manufacture at home, allows you to easily build wideband antenna and can be used in circular polarization. And here are the achievements of some predecessors...

A method to improve the gain of axial-mode helical antenna is proposed. This method involves a parasitical circular metal disk,which is installed on the front of general axial-mode helical antenna and is apart from the helical line. A circular current whose phase lags behind that of helical line current appears,which brings a more concentrated radiation field. Consequently,the antenna gain is improved, Based on the simulation results,an antenna array model fed independently is proposed.This model gives an excellent explanation of the radiation characteristic of helical antenna, Both the simulation and experiment results show that for obtaining the same gain,the antenna length in this new method is only 71% of that in traditional helical antenna.The reduction of antenna length favors the miniaturisation of antenna. In addition, this method has a little effect on the bandwidth of antenna, so it can be widely used in the design of helical antenna element and array.

IT SEEMS TO BE AN ANTENNA FOR DRONE DETECTION