The Single 58 version of the Flower Pot simply substitutes a 58 wave-length section for the top quarter wave of the basic half wave antenna design. Advert Versandkostenfrei ab 49 jetzt Custom Flowerpot bestellen.
An exact replica of the VK2ZOI design was.
Flower pot antenna design. VK2ZOIs Half Wave Flower Pot Antenna Link. Single 58 Flower Pot Antenna. A few years ago a made one of VK2ZOIs dual band flowerpot antennas.
The kf9f 2 meter stealth flower pot antenna. VK2ZOI gave a talk I gave at a Hornsby and Districts Amateur Radio Club HADARC meeting in early 1993 He lightheartedly showed that by placing plastic flowers over this antenna you can effectively disguise it. Lesson learned if you use someone elses design follow it to the T.
My father has run one utilizing. Flower pot antenna uhf. With the addition of some tinfoil and sticktape it can double as a 70cm colinear.
I believe its called a flowerpot aerial because someone in the US. Portable 2m 144 MHz Coaxial Dipole Antenna. Half-Wave Flower Pot Antenna.
A homebrew 2m 1442 MHz vertical 12 wave Coaxial Dipole antenna project for your home QTH SOTA portable field operationsWICEN exercises or the emergency 2m Go-box. Single 58 Flower Pot Antenna. This gives us a 2m aerial on a wire.
8 antenna gain g because an antenna is a passive device the power radiated can not be greater than the input power. They are end fed coaxial dipoles with an interesting design to make them dual band. I used the dipole formula of antenna length equals 143f meters where f is the frequency in MHz.
The 58λ radiator uses a 02λ shorted co-ax phasing stub to resonate the 58λ element. Construction Method 2m 144 MHz coaxial dipole or known elsewhere as a flower pot antenna. Multiband antennas category is a curation of 147 web resources on the ce0y 7 m triple leg w8jk modified array w4joh cobra antenna.
A flowerpot aerial for 2 metres. In the drawing above a simple 2 meter ground plane is built from the metal stems of artifical flowers. I saw the VK2ZOI Flower-Pot Antenna mentioned on the ARNSW website so I wrote to John Bishop and asked for his documentation on the antenna.
New Antenas 3 Construa a sua antena Flower Pot para VHF e UHF Baofeng Wawasan Tentang Elektronika. At HF frequencies my ARRL handbook calls this design a Resonant FeeD line RFD antenna. Most of the materials can be found at the nearest hardware or building supply outlet.
The step-by-step procedure is easy to understand and should give you good results when youre finished. Mike does an excellent job of taking us through the design construction and testing process for this remarkably simple antenna. I was surprised how well it worked and a few others tried it and found it worked very well.
The 58λ radiator uses a 02λ shorted co-ax phasing stub to resonate the 58λ element. The arrangement is shown in the sketch below. Here is a link to his webpage with instructions for making several of his designs.
Antenna Flower Pot 2M 70cm Dual Band Coaxial Cable Antenna Radio Half-Wave Flower Pot Antenna VK2ZOI. Add small black ovals for wings black antenna and of course eyes. The design objective is to produce a vertical antenna for the six meter band centered on 52Mhz with a 50 Ohm reactance and reasonable performance from materials I have available at home.
Stuck his in a flower pot and fixed plastic flowers all over it. Scroll down for the 6 M version. We would like to show you a description here but the site wont allow us.
Mike calls this antenna the perfect stealth antenna for 2m70cm. Single 58 Flower Pot Antenna. The flower pot antenna.
The actual antenna consists of 1 vertical radiator and 4 horizontal radials attached to the SO-239. This image of a 2 meter flowerpot shows the two quarter wave sections. Flower Pot Antenna for TV – YouTube.
My first problem was assessing the antennas match to the. Elsewhere in amateur radio ci. Flower Pot Antenna on a wire.
Here is a very handy aerial for permanent and field day installations. If you want to repeat my experiment youll first want an enormous plastic flower pot round 70cm excessive 60 prime diameter and 30 cm base diameter. That includes the upper radiator lower radiator also the length of the cable that will be wound on the PVC pipe.
Heres a nicely done video tutorial from M6CTP showing us how to make a dual band half wave flower pot antenna for 2 meters and 70 cm. The arrangement is shown in the sketch below. Layout of the antenna.
John replied quickly with three detailed articles about his antenna and extracted a promise from me to document my experiments with his designs. Drill two holes into the side. It can be raised by pulling from the top typically with a rope over a high tree.
Experimental dual band high gain flower pot antenna. Bikin Sendiri Flowerpot Antena 2m VHF Xplorasi. The VK2ZOI Flower Pot Antenna.
After my success with the Flower Pot antenna on 2m I was inspired to try the same antenna design on the 40m 7MHz Ham band. The Single 58 version of the Flower Pot simply substitutes a 58 wave-length section for the top quarter wave of the basic half wave antenna design. All of the stems including the support wire for the flowers of the antenna are the same 19 inches in.
Weve used VK2ZOI Half-Wave Flower Pot Antennas design however weve only used the UPVC conduit for the choke section. Here we do not count the number of turns because it will vary depending on the diameter of the PVC pipe used to wind the cable. To construct the antenna first select a suitable length of grey 25mm conduit as a minimum 1m but if you make it longer you will have more room below the coil to attach to your antenna support.
Its quite a good stealth antenna. Homebrew 144 MHz Coaxial Dipole Antenna – Portable 2m 144 MHz vertical 12 wave Coaxial Dipole antenna for QTH SOTA portable field operationsWICEN exercises. Its actually a great aerial and extremely easy to make.
This calculator is used to determine the length of each element of the flower pot antenna. I built one a few years back without success and now realize I used RG8x where the design is for RG58 big velocity factor difference. If you need a compact nearly invisible VHFUHF antenna for your ham shack then try this Flower Pot design from Mike M0MSN.