2 Meter Backpack Quad Antenna This 2 meter 3 element cubical quad antenna is small, light weight and portable. A backpack antenna that is easy to put together in just minutes and parts store inside the boom making it ready for travel or storage. About 2 Meter Backpack Quad AntennaIts main category is Antennas for 2 meters band (Antenna projects for 144 MHz). Listed in our web site directory since Sunday Jun 21 2015, as a result, till today this link has been followed 1616 times. So far received 2 votes for a total score of 3.50/10 In addition to this page, you will find "2 Meter Backpack Quad Antenna" probably along to other similar resources, listed under the following categories: Antennas/Quad - quad antenna, how to build a quad antenna for ham radio use Antennas/Portable - Portable antennas Antennas/2M - Antenna projects for 144 MHz received 2 votes for a total score of 3.50/10 The scale is 1 - 10, with 1 being poor and 10 being excellent. Webmaster, add a Remote rating

Share 2 Meter Backpack Quad Antenna Share this link with your friends, publish within popular social networks or send it via email. or copy this link 2 Meter Backpack Quad Antenna - related links We thought you might be interested also in these additional resources, currently listed under our Antennas/2M category: Lightweight 4 Element Yagi for 2 meters - A 4 elements Yagi-Uda antenna for 144.3 MHz plan with dimensions and y... 2 meter Fox Hunter - A home made yagi antenna featuring 6db forward gain and 22 Db front ba... Easy VHF Antenna - A New Way to build a 1/4 Wave Ground Plane Antenna... Portable Yagi for 144MHz - A simple 7 element yagi antenna for 2 meters portable use... 3 Element Delta Loop For 144 MHz - A simple three-element Delta Loop Beam antenna for two metres band... Tape Measure 2M Beam - A Tape Measure Beam Antenna for Radio Direction Finding based on WB2HO... 2m Quad Antenna - A basic drawing of a 2 meter quad antenna for 144 MHz... A Portable Quad for 2 Meters - Backpacking, boating or mountaintopping ?

Invest your time and pack t... VHF Big Wheel Antenna - A popular 2 meter antenna returns in an improved, easier to reproduce ... 2m Big Wheel Antenna - A Useful Horizontally Polarised Omni-directional Antenna with Gain for... Three element quad antennas typically have about 2 db more gain than a comparable size yagi and should rival the performance of a five element yagi antenna.olsenboye backpack cheap In building this antenna for the first time I found that a large metal mounting bracket would not work well with the antenna. nikon s32 backpackA large piece of metal or a metal boom tends to cause a slight problem with SWRs especially if the antenna is designed to be built with a non-conductive boom. deuter ypsilon backpack

If mounting the antenna to a metal mast a section of about four feet of PVC pipe, with a wood stiffener placed inside, should probably be added to the top of the mast to mount the antenna. The antenna builder should also be aware that this is an ungrounded antenna and that care should be taken.h1z1 backpack spawn I used the standard cubical quad formulas and used 146 MHz to caluclate the lengths of the wire elements but the antenna came out instead resonate closer to 147 MHz. swissgear laptop backpack 1923Please keep this in mind if you would like to build the antenna for a lower frequency. tumi vice backpack for saleThe formulas used for calculating the antenna element and spreader lengths are discussed in the video Cubical Quad Antennas (watch on YouTube).

The boom needed to be large enough to fit the parts inside but also needed to be small enough to still fit the U-bolts. I decided to use a 1-1/4" PVC thick wall pipe for the boom. Being 30-7/8" long it is just slightly longer than the reflector spreaders. If I were to remake the antenna I might next time choose 1-1/2" PVC thick wall pipe for the boom just for a little extra storage space inside. Fitting the spreaders and wire elements inside the boom was easy but trying to get a plastic zip-lock bag containing the small parts inside proved to be a bit challenging. After a couple of tries I did manage to get all the parts inside of the boom. I found it best to leave the vinyl tubing on the spreaders and put just the nocks in the plastic bag then place the parts inside the boom. For a four element backpack quad antenna use 1-1/2" PVC thick wall pipe. After drilling the holes in the boom, if the spreaders are a tight fit then use a small round file to just slightly enlarge the holes.

The clear vinyl tubing is used to help hold the spreaders in place. Also, the clear tubing should shrink in the sunlight for a tighter fit if using the antenna outdoors for fixed use. Left over glue from stickers can be removed from the fiberglass rods using a paper towel dampened in paint thinner or mineral spirits. Cleaning the rods with a wet paper towel may also reduce the amount of loose fiberglass splinters that may otherwise end up in your hands. A New Set of Plans The following two diagrams are different than those shown in the video. I have recalculated all of the element and spreader lengths in order to make the antenna more resonate in the center of the band. The measurements for the boom remain the same -- other than suggesting 1-1/2" PVC pipe for the boom. To see the results of the new measurements please click here to watch the follow up video. When calculating the length to cut the spreaders deduct 3/32" (about 2 mm) for the 14 gauge stranded bare copper wire, and deduct the distance needed for the two nocks, from the total calculated spreader length.