Vk2zoi 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. Elsewhere in amateur radio circles this antenna is known as a 2m Flower Pot Antenna.

Half Wave Flower Pot Antenna Vk2zoi Teknologi

Flower Pot antenna presentation to the Hornsby and Districts Amateur Radio Club HADARC in early 1993.

Vk2zoi 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. 3 thoughts on The VK2ZOI high gain dual-band Flowerpot Antenna Ivan VK5HS. I figured it was time to get back into the band.

A few years ago a made one of VK2ZOIs dual band flowerpot antennas. Flower Pot Antenna M0nfi - I read some sites about flower pot antennas and i cannot understand how it works. VK2ZOI Flower-Pot Antenna It had been about 10 years since I used 2 metres actively.

The photo above really says it all. 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. I have described on this website a number of VHFUHF antennae which have become known as the Flower Pot antennaeThis material is a summary of six articles on the Flower Pot Antenna published in March and April 1993 March April and November 2002 and December 2006 in QUA The Newsletter of the Hornsby and Districts Amateur Radio Club Inc HADARC.

May 8 2020 - This Pin was discovered by L. Dimensions shown are for a 1st build prototype from a concept drawing and have yet to be refined. The arrangement is shown in the sketch below.

1920x1080 px Nomons Flower Pot Antenna Calculator - Ham radio antenna the flower pot antenna a stealth antenna that you can hide in a plant pot dual band high gain flower pot antenna. The VK2ZOI Flower Pot Antenna. The double 58 is a co-axially fed variation of the 1¼ wave vertical dipole shown in the adjacent diagram.

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. 3264x1836 px Portable 2m 144 Mhz Coaxial Dipole Antenna Get Out Of The Radio Shack And Live Life - This dipole antenna calculator determines the size of a simple dipole antenna for a given frequency and the dipole wire diameter. Post updated 5 May 2019 scroll to the bottom for details.

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. March 20 2021 at 0125 The VK2ZOI antenna is also available in Poland. Film prezentujący wykonanie anteny wg projektu VK2ZOI.

Half Wave Flower Pot Antenna Vk2zoi - Sch40 pvc has a different velocity factor to grey upvc and as such my antenna needed some pruning. Antenna is approximately a quarter wavelength but reduced due to the end effect of a wire antenna with an open end. This results in the antenna operating with four half-waves in phase on 70cm and provides a theoretical antenna gain of 6dBd on 70.

According to The Fundamentals of. Credits to VK2ZOI SK. 2 Mtres 70cm Flower Pot Antenna VK2ZOI.

Antena jest tania i prosta w produkcji. 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. Subtract 5 for end effect.

Post navigation WIA Amateur Radio Foundation Level Online Assessment. Discover and save your own Pins on Pinterest. I was surprised how well it worked and a few others tried it and found it worked very well.

Johns design uses a single length of coax to form a choke and two 14 wave radiating elements forming a single 12 wave center fed vertical dipole. Single 58 Flower Pot Antenna VK2ZOI Single 58 Flower Pot Antenna 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. Double 58 Flower Pot Antenna VK2ZOI Double 58 Flower Pot Antenna The Double 58 is a natural extension of the Single 58 and uses a 58λ element for both the top and bottom radiators.

Dual Band Half-Wave Flower Pot Antenna. The antenna is dual banded to operate on 70cm using the same sleeve technique as used on the dual-band basic Flower Pot. Po zestrojeniu pracuje w paśmie 2m i 70cm.

I found a terrific site by John VK2ZOI who constructed a vertical coaxial dipole named the Flowerpot Antenna for obvious reasons. November 25 2020 at 0733 Thanks Andy great article. Here is a link to his webpage with instructions for making several of his designs.

Half Wave Flower Pot Antenna Vk2zoi In 2021 Ham Radio Antenna Ham Radio Antenna