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2m Projects - Omnidirectional Antennas

"Limpy Arnold" - A simple antenna for 2m or 6m by PC1D
Since 2000, members of our club experiment and work with the "Limpy Arnold" antenna. About this odd name-giving, PA7ZEE wrote in Electron of Nov 2003, in Sprat and in Cats Whisker of the South Dorset Radio Society.
http://www.pi4asv.nl/techniek/antennes/sl_arnold.html

Klik voor vergroting"MUrDuck" VHF "rubber duck" Portable Antenna by ON6MU
Our "MUrDuck 1/8 wave duckie" performs much better then the standard Icom ICT7e dualband duckie but does not beat a the quarter wave Kenwood dualband telescopic antenna.
http://users.belgacom.net/hamradio/schemas/on6mu_vhfrubberduck.htm

Click to enlarge144 MHz Halo by EA4EOZ
This halo antenna was built to have an omnidirectional coverage while working in VHF contests. The idea was to have a small but useful antenna for receiving, but it has demonstrated very capable on TX also.
https://ea4eoz.blogspot.com/2012/09/144-mhz-halo.html

Click to enlarge145 Mc 5/8-wave vertical antenna by ON6MU
At VHF, both the 1/4-wavelength monopole and the 5/8-wavelength monopole antennas are widely used. The VHF 5/8-wavelength (144 Mhz) vertical monopole has long held the reputation of providing about a 3-dB gain advantage over the 1/4-wavelength vertical monopole.
http://users.belgacom.net/hamradio/schemas/on6muvhf58verticalantenna.htm

Klik voor vergroting2 m. Band VHF Dipole with"Gamma" match system by SV1BSX
This page is the first part of my VHF Collinear antenna project, wich gives a gain of about 5,1 DBi with 2 dipoles and 8,1 DBi with 4 dipoles (Omni directional).
https://www.qsl.net/sv1bsx/gammadip/gammadip.html

Klik voor vergroting2 m. Band VHF Collinear with 2 Dipoles by SV1BSX
This page is the second part of my VHF Collinear antenna project with matching-system for 2 dipoles model (Gain = 5.15 DBi).
https://www.qsl.net/sv1bsx/gammadip/collinear2.html

Click to enlarge2 Meter Antenna for Bicycle Mobile Operation by WB8ERJ
Perhaps the biggest problem with taking your HT bicycling is coming up with a decent antenna on your bicycle. This is because the bike doesn't provide much of a ground plane.
http://www.mikestechblog.com/joomla/ham-radio/ham-radio-antennas-category/63-2-meter-antenna-for-bicycle-mobile-operation.html

Click to enlarge2/70 portable coax antenna by PAFBK
This is also a nice ham project, een small antenna for 2m and 70cm, after using it you can roll-up the antenna, very nice on holidays... I invented a similar system, but completely made of RG58 coax.
http://www.qsl.net/pa0fbk/hampage_uk.htm#coax

Click to enlarge2m Big Wheel Antenna by G3XBM
Most terrestrial DX activity on 144MHz uses SSB, CW or digital modes and horizontal antennas. For someone like me who doesn't want to invest in a large Yagi array and a big rotator to turn it, thoughts turn to omnidirectional, horizontally polarised antennas. My operation is mainly working locals, the occasional contest and during tropo lifts.
https://sites.google.com/site/g3xbmqrp3/antennas/bigwheel

Click to enlarge2m porto antenne van koolstof (carbon) staaf door PAFBK
Hier een beschrijving van een goed werkende, flexibele en lichte 2m halvegolf antenne, zeer geschikt voor porto's. In vergelijking met de gemiddelde rubberduck antenne mag gerekend worden op zo'n 2S-punten winst.
http://www.qsl.net/pa0fbk/hampage_nl.htm#koolstof

Click to enlarge2m/70cm Fietspomp Antenna Voor Binnenshuis door PAFRI
De werking van een fietspompantenne is te vergelijken met dat van een ZEPP antenne. Het kan beschouwd worden als een hele golf (1λ) dipool waarvan de helft (= λ) opgevouwen is.
https://pa0fri.home.xs4all.nl/Ant/Indoor%202m-70cm%20sleeve%20ant/Binnenshuis%20fietspompantenne%202m-70cm.htm

2m/70cm Gentleman's Walking Stick by W6NBC & W6ND
Walk about freely with this pedestrian-portable antenna. Use it for better coverage at a parade, a bike-a-thon or just on a stroll. Alternately, hang it in a tree or mount it permanently. Its utility will impress you. It is also an ideal low-cost ham radio club project.
http://w6nbc.com/articles/2013-1QSTwalkingstick.pdf

Click to enlarge6dB Colinear VHF Antenna by SMVPO
I had a problem with my packet radio station and decided that antenna gain was the solution. So now I have a 6dB gain VHF colinear.
http://sm0vpo.altervista.org/antennas/6dbvhf0.htm

Clic to enlarge7dB Colinear Antenna by SMVPO
This project is about a cheap way of building a colinear antenna for VHF 145MHz, and having about 10dB more gain than that little 1/4-wave magmount I have not used for 6 years. The actual gain of this antenna is +7.5dBd. It consists of five half-wave dipoles, four of which are end-fed by means of a 1/4-wave stub to invert the phase.
http://sm0vpo.altervista.org/antennas/7db-colinear.htm

Click to enlargeA 144MHz Pocket Antenna by F3WM
The hand held transceivers are very usefull for portable operation. They are all afflicted by a common shortcoming : their sausage type antenna is very inefficient. A simple dipole will make better.
http://www.qsl.net/f3wm/radio/pocket.html

Click to enlargeA 146MHz J-Pole Antenna by WB8ERJ
Here is a 2 meter (146 Mhz) J-Pole antenna that is inexpensive, and easy to build. I use 3/4 inch copper pipe, and the associated fittings necessary.
http://www.mikestechblog.com/joomla/component/content/article/43-ham-radio-antennas/60-2-meter-j-pole-antenna-construction-plans.html

Click to enlargeA Simple 2 m/70 cm Vertical Dipole Antenna by KGZZ
This easy to build dual band VHF/UHF antenna makes a great project for the new ham that is ready to get on the 2 meter and 70 centimeter amateur radio bands.
http://www.amateurradio.bz/2m-70cm_vertical_dipole_antenna.html

A True Plumber's Delight for 2 Meters - An All Copper J-Pole by KD8JB
A number of years ago, I build a J-Pole antenna from some scrap aluminum tubing and a 5-foot stick of TV mast. The antenna tuned easily, and operated well for a few years until nature did it in.
http://www.arrl.org/files/file/Technology/tis/info/pdf/ac4195.pdf

A Weather Vane Antenna for 2 Meters by W6NBC
VHF incognito! Heres a 2 meter antenna your neighbors wont recognize.
http://w6nbc.com/articles/2005-08QSTwxvane.pdf

An Easy Dual-Band VHF/UHF Antenna by KD6GLF
Why settle for the performance your rubber duck antenna offers?
Build this portable J-pole and boost your signal for next to nothing!
http://www.arrl.org/files/file/Technology/tis/info/pdf/9409061.pdf

An EZ-Lindenblad Antenna for 2 Meters by AA2TX
This easy to build antenna works well for satellite or terrestrial communication, horizontal or vertically polarized.
http://www.amsat.org/wordpress/wp-content/uploads/2015/08/An-EZ-Lindenblad-Antenna-for-2-Meters2.pdf

Click to enlargeAntenna Veicolare per 144 MHz da IK4DCS
Ebbene s, ne ho provata un'altra! Dopo tanti e fruttuosi esperimenti svolti sulle varie bande HF con le antenne a carico lineare, ho voluto provare che effetto si poteva avere in banda 144 Mhz.
http://digilander.libero.it/ik4dcs/veic144.html

Klik voor vergrotingAntenne Slim Jim VHF de F5IRO
L'auteur de cette antenne est G2BCX,il s'agit d'un diple 1/2 onde repli, aliment sa base par une ligne 1/4 onde.
http://j28ro.blogspot.com/2011/03/antenne-slim-jim-vhf.html

Bicycle-Mobile Antennas by WA5FRF & KKJ/5
If you're a hamand bicycling nut, you know that there are many good reasons for going mobile on your two-wheeler with safety topping the list.
http://www.arrl.org/files/file/Technology/tis/info/pdf/9303052.pdf

Build a 2 meter 5/4 Wave Antenna by N1HFX
This month I decided to build a 2 meter 5/4 wave antenna. This antenna is unique in that it is enclosed entirely in 3/4" PVC which makes the design a little more complicated.
http://www.rason.org/Projects/ant54/ant54.htm

Build a Portable Groundplane Antenna by KH6CP/1
Need a better antenna for your hand-held radio? Here's the answer.
http://www.arrl.org/files/file/Technology/tis/info/pdf/9107033.pdf
 

Constructing a Simple 5/8-wavelength Vertical Antenna for 2 Meters by W9WQ
No loading coils - inexpensive - easy to build. Does that sound like the 5/8-wl antenna you've been wanting to build? You've got it now!
http://www.arrl.org/files/file/Technology/tis/info/pdf/8009022.pdf

Cookie Can Portable Antennas by W6NBC
Every ham likely has made a 2 meter antenna from a discarded cookie can or a pizza pan. But how well do these perform? A close look at this familiar make-shift antenna may surprise you.
http://w6nbc.com/articles/2013-QSTcookie.pdf

De J antenne door PE1KQP
De j antenne is een eenvoudige en makkelijk zelf te maken antenne die nog goed werkt ook.
De 2 meter antenne heeft bij mij al vanaf 1981 op de mast gestaan en heeft alle stormen die er sindsdien geweest zijn onbeschadigd overleefd.
http://pe1kqp.radiotreffen.nl/index.php?page=j-antenne

De LR antenne door PE1KQP
De LR antenne is in feite een dubbele J antenne die zowel horizontaal als verticaal gebruikt kan worden. Omdat deze antenne 2 halve golf stralers heeft is er een winst van 2,5 DB ten opzichte van de J antenne.
http://pe1kqp.radiotreffen.nl/index.php?page=de-lr-antenne

Efficient 2 meter Disguise Antenna by W6NBC
This horizontal slot antenna, cut into the reflector of a TV dish, is both the master of disguise and high in performance.
http://w6nbc.com/articles/20xx-dishslot.pdf

Emergency Antenna by ZS5MGD
This antenna was built after a surprise greeting upon arriving on site to repair a low power radio telemetry system "Why have you come? I told them the antenna was stolen and have not had the time to replace it".
http://www.marcspages.co.uk/tech/antemerg.htm

Full wave 2-meter VHF Omnidirectional Antenna by ON6MU
Full wave omnidirectional vertical groundplane antenna for 2-meters
http://users.belgacom.net/hamradio/schemas/vhf1golf.gif

Homebrew Coaxial Dipole for VHF or UHF by W6NBC
Heres a base station antenna you can easily build for 146, 220 or 440 MHz.
Performance is equal to a J-pole, but its smaller, less obtrusive and more weatherproof.
http://w6nbc.com/articles/2009-07QSTcoaxialdipole.pdf

Click to enlargeJ-POLE FOR 145 MHZ by F3WM
If you need a simple, strong and efficient atenna for 145 mhz, you need a J-pole; I think it's the best antenna for newcomers because it has better performance than a GP and is easy to bulid; moreover it's electrically gronded.
http://www.qsl.net/iz7ath/web/02_brew/12_jpole/jp_eng.htm

J-POLE for VHF/UHF by ON6MU
VHF/UHF J-Pole Vertical Antenna
http://users.belgacom.net/hamradio/schemas/jpole.gif

Make Your Own "Rubber Duckies" by NLRF
Not the bathtub kind . . . the kind you stick on an H-T. For a few dollars and a couple of hours of fun, you can roll your own 2-meter rubber duckies that will likely perform better than many commercial units.
http://www.arrl.org/files/file/Technology/tis/info/pdf/9803037.pdf

'Mobile' op 'Twee' door PAJHS
Op het dak van mijn vorige auto heeft gedurende een paar jaar een magneetvoet gestaan. Toen ik het voertuig ging inruilen bleek de lak op de plek waar de voet had gestaan te zijn verkleurd.
http://www.qsl.net/pa0jhs/

Click to enlargeNSH - Tilted V by VU3NSH
I constructed this antenna by 3/8th thick aluminium tubes and I selected the element spacing angle of 90 degrees (It can be 120 degrees or 60 degrees, but the radiation pattern will change).
http://www.hamradio.in/circuits/tilted_v.php

OCF 2-Meter Sleeve Dipole Antenna by KV5R
Lots of people are building this antenna! One fellow even improved upon it by making the elements out of aluminum - inside a 3/4" PVC pipe -- see QST August 06.
http://kv5r.com/ham-radio/2-meter-sleeve-dipole/

Click to enlargePortable Rabbit-Ears Dipole Antenna by KV5R
This handy and cheap portable dipole can be folded and backpacked, carried in use, and adjusted to a very wide range of frequencies. Note: This is a low power antenna, meant to be used close the body at 5 watts or less.
http://kv5r.com/ham-radio/rabbit-ears-dipole/

Quarter Wave Antenna by ON6MU
Quarter wave vertical antenna's for 2-Meterband, 70cm...
http://users.belgacom.net/hamradio/schemas/kwartgolf.gif

Click to enlargeSimple 2-Meter Dipole Antenna by KV5R
This antenna is similar in construction to the 2-meter OFC sleeve dipole I built over 8 years ago, but it is a simple center-fed dipole. I used 1″ thin-wall PVC pipe, aluminum tape, and RG-8X coax.
http://kv5r.com/ham-radio/simple-2-meter-antenna/

Slim-Jim 2m VHF Band Antenna by 4S7NR
Slim-Jim is easy to built, no radial 145Mhz antenna. It has almost equal gain of a 5/8 lambda and much higher gain than 1/4 lambda whip.
http://www.qsl.net/qrp/ant/slimjim.htm

The "VPO-le" Antenna by SMVPO
To build the "VPO-le" (pun intended) antenna all you need is four small panel pins (nails) and a bit of wood. You should be able to build and test this antenna in less than 20 minutes. It has a gain of about +2dBd (+4.5dBi). It is best mounted on a broom handle, or similar.
http://sm0vpo.altervista.org/antennas/vpole0.htm

Click to enlargeThe 2 Meter Coffee Can Antenna by KGZZ
The coffee can antenna is actually a sleeve dipole antenna made using a large coffee can, or other similar size tin can, in place of using radials like that of a ground plane antenna or the other half of a dipole element.
http://www.amateurradio.bz/coffee_can_antenna.html

The DBJ-1: A VHF-UHF Dual-Band J-Pole by WB6IQN
Searching for an inexpensive, high-performance dual-band base antenna for VHF and UHF? Build a simple antenna that uses a single feed line for less than $­­10.
http://www.arrl.org/files/file/Technology/tis/info/pdf/0302038.pdf

The Qyadrifilar Helix as a 2 Meter Base Station Antenna by W6NBC
Here's an easy to build VHF base-=station antenna that works equally well toward the horizon or overhead.
http://w6nbc.com/articles/2009-10QSTqfh.pdf

Click to enlargeThe simplest dual band antenna for 145 and 431 MHz by IZ3AYQ

http://iz3ayq.blogspot.com/2017/06/the-simplest-dual-band-antenna-for-145.html

Click to enlargeThe Turnstile antenna by EA4EOZ
This antenna is no more than two perpendicular dipoles dephased 90 degrees to produce an omnidirectional pattern. It also seems to be very easy to construct, so this was the antenna chosen.
https://ea4eoz.blogspot.com/2012/09/the-turnstile-antenna.html

Two Small 2m Helical Antennas by W6NBC
With performance close to that of full sized antennas, these small helical antennas are low in profile but high in efficiency.
http://w6nbc.com/articles/2011-06QST2mhelices.pdf

VHF/UHF Dualband Vertical Antenna by ON6MU
I used for this antenna aluminium tubing of 10mm diameter. Or you can use a brass rod of about 7mm diameter. The top one is a strong copper (brass) wire of 5 to 7 mm diameter soldered directly to the coil and mounted to the PVC isolator to give a strong construction.
http://users.belgacom.net/hamradio/schemas/dualant.gif


Creation date : 21/03/2008 @ 22:39
Last update : 30/09/2018 @ 23:31
Category : 2m Projects
Page read 58479 times


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