But you can put out flowers and plants. The main category is antennas for vhf uhf bands that is about antennas for vhf and uhf radio bands.
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Beginnings of an iambic paddle;
Flower pot antenna uhf. I rushed to construct one. For more antenna articles, click here! This link is listed in our web site directory since tuesday apr 1 2014, and till today flowerpot antenna by m0mtj has been followed for a total of 778 times.
That is much better than having to hide the antenna in an attic space. Flower pot antenna and wifi sleeve dipoles i am getting back into ham radio, inspired by the incredible response to the codec 2 project from the ham community. 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).
$\begingroup$ @tomnexus yeah, i built it because it only took me 15 minutes and less than $10 in materials. The base emulates a flower pot and the antenna ears resemble the stems and petals of flowers. The present invention is an artificial potted flower and plant television and radio antenna.
In my home office, i had trouble listening to the local 2m repeater due to all the high speed digital kit i have. A uhf antenna can be hidden inside of a vent pipe outdoors on top of a roof. It’s compact, light, economical and doesn’t need any radial.
An optional signal amplifier may be installed within the base for improving signal strength. The flowerpot works well as a scanner antenna for vhf and uhf listening. When it was ready, it was swr time and my results are 1.3 swr in vhf and uhf 1.3 with non metal support, with metal support, vhf 1.5 swr and uhf 1.5 swr.
John replied quickly with three detailed articles about his antenna. About flowerpot antenna by m0mtj the resource is currently listed in dxzone.com in a single category. Electronics projects diy electronics ham radio antenna wifi antenna radios hf radio radio frequency alternative energy home brewing.
Experimental dual band high gain flower pot antenna. I figured it was time to get back into the band. 9 lilitan rg58 pada pvc 1 posted by purwoko e.
Military uhf satcom antenna part one by steve douglass i remember the first time i saw a dorne & margolin uhf portable satcom antenna. As i see it, the antenna works by having the signal travel through the. Funk radio hf radio basic electrical wiring battery charger circuit dipole antenna qrp ham radio antenna flower pots ham radio.
If you would like to repeat my experiment you will first need a big plastic flower pot (around 70cm high, 60 top diameter and 30 cm base diameter). See more ideas about antennas, ham radio antenna, ham radio. Kirimkan ini lewat email blogthis!
Speaking of decorative art projects, many apartments don’t allow antennas or similar devices on balconies. One is the feed line current, the other the antenna current, and despite sharing conductors they do not interact at all. Experimental dual band high gain flower pot antenna.
I have made quite a few of these antennas and they work very well. I loved your dual band high gain flower pot antenna since i saw the project. The key to understanding it is to recognise that there are two completely independent currents flowing in the lower half of the antenna:
Berbagi ke twitter berbagi ke facebook bagikan ke pinterest. And did a few tests with some local stations a few km away, both in uhf and vhf, with minimum power and a rubber ducky on the receiving end. The antenna is in the shape of a flower pot with flowers in it.
A brief summary of the flower pot antenna. At a talk i gave at a hornsby and districts amateur radio club (hadarc) meeting in early 1993, i (lightheartedly) showed that by placing plastic flowers over this antenna, you can effectively disguise it. It had been about 10 years since i used 2 metres actively.
Operation on the third harmonic is achieved by using a sleeve technique so as to form quarter wave phasing sections (at the higher frequency) to end feed two. The photo above really says it all. Rigexpert 600 mhz antenna analyser vswr results.
The results were ok (the antenna. Kf9f stealth 2m flower pot antenna. With the addition of some tinfoil and sticktape, it can double as a 70cm colinear.
Dear college vk2zoi, i am vítor, ct1fet; Dekalb county amateur radio club. Other suggestions were made at the time included making a fake patio umbrella but the name “flower pot” has stuck for the last 14 or so years.
I have a vna which after tuning a little shows a good swr curve. A brief summary of the flower pot antenna. The basic half wave version of the flower pot antenna can be readily modified to dual band the antenna for operation on a band that is the (approximate) third harmonic of the fundamental resonance.
The main category is antennas for vhf uhf bands that is about antennas for vhf and uhf radio bands. Apabila menggunakan pipa pvc lebih besar dari 1″, john vk2zoi juga menyediakan kebutuhan lilitan choke. Yang kurang dari tulisan john vk2zoi menurut saya adalah pembuatan pipa pvc sebagai pembungkus antena.
Why not ‘plant’ your antenna in a large flower pot filled with landscape stone and disguise the antenna with some plastic plants or vine. 2m 144 mhz coaxial dipole or known elsewhere as a flower pot antenna.