Flower Pot Antenna Uhf

In my home office, i had trouble listening to the local 2m repeater due to all the high speed digital kit i have. Dear college vk2zoi, i am vtor, ct1fet;

The completed antenna Ham radio, Ham radio antenna

I rushed to construct one.

Flower pot antenna uhf. The main category is antennas for vhf uhf bands that is about antennas for vhf and uhf radio bands. 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. I have made quite a few of these antennas and they work very well.

9 lilitan rg58 pada pvc 1 posted by purwoko e. As i see it, the antenna works by having the signal travel through the. Beginnings of an iambic paddle;

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. That is much better than having to hide the antenna in an attic space. $egingroup$ @tomnexus yeah, i built it because it only took me 15 minutes and less than $10 in materials.

Rigexpert 600 mhz antenna analyser vswr results. The key to understanding it is to recognise that there are two completely independent currents flowing in the lower half of the antenna: It had been about 10 years since i used 2 metres actively.

I have a vna which after tuning a little shows a good swr curve. A brief summary of the flower pot antenna. 2m 144 mhz coaxial dipole or known elsewhere as a flower pot antenna.

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. I loved your dual band high gain flower pot antenna since i saw the project. 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).

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 present invention is an artificial potted flower and plant television and radio antenna. I figured it was time to get back into the band.

The antenna is in the shape of a flower pot with flowers in it. Experimental dual band high gain flower pot antenna. Speaking of decorative art projects, many apartments dont allow antennas or similar devices on balconies.

Kf9f stealth 2m flower pot antenna. Military uhf satcom antenna part one by steve douglass i remember the first time i saw a dorne & margolin uhf portable satcom antenna. Berbagi ke twitter berbagi ke facebook bagikan ke pinterest.

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. A uhf antenna can be hidden inside of a vent pipe outdoors on top of a roof. One is the feed line current, the other the antenna current, and despite sharing conductors they do not interact at all.

For more antenna articles, click here! Yang kurang dari tulisan john vk2zoi menurut saya adalah pembuatan pipa pvc sebagai pembungkus antena. 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. 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. A brief summary of the flower pot antenna.

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. But you can put out flowers and plants. About flowerpot antenna by m0mtj the resource is currently listed in dxzone.com in a single category.

The base emulates a flower pot and the antenna ears resemble the stems and petals of flowers. Electronics projects diy electronics ham radio antenna wifi antenna radios hf radio radio frequency alternative energy home brewing. Apabila menggunakan pipa pvc lebih besar dari 1, john vk2zoi juga menyediakan kebutuhan lilitan choke.

Dekalb county amateur radio club. The main category is antennas for vhf uhf bands that is about antennas for vhf and uhf radio bands. With the addition of some tinfoil and sticktape, it can double as a 70cm colinear.

Its compact, light, economical and doesnt need any radial. 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.

The results were ok (the antenna. Funk radio hf radio basic electrical wiring battery charger circuit dipole antenna qrp ham radio antenna flower pots ham radio. John replied quickly with three detailed articles about his antenna.

Experimental dual band high gain flower pot antenna. The photo above really says it all. 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.

Why not plant your antenna in a large flower pot filled with landscape stone and disguise the antenna with some plastic plants or vine. Kirimkan ini lewat email blogthis!

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