The modelled antenna files were shared with me by t. In this video we talk about what an antenna tuner does and doesnt do, how it works, and how to tune your antenna system with a manual antenna tuner. It contains all the detailed information and design data for constructing and installing 2, 3, and 4 element, single, dual, tribands and 5 band quad antennas of the type that have been making dx history for nearly 47 years. One way is to bring them all to a central point and use the 3 or 5 band balun available from cubex. I couldnt put up multiple yagis one per band, because im limited room on the mast, and for the same amount of gain i wouldve been hitting, and snagging a tree near by. View and download 3d systems cubex duo user manual online. The antenna has been used very little as a back up antenna. The logperiodic antenna is the most effective and efficient single feedline, multiband antenna available today our design engineering is textbook and common sense based with adherence to the laws of physics and what we, the designers, would want to use as a part of our own system. Begin antenna assembly by laying one of the spider castings. This is a short video of my homebrew crankup tiltover 59ft18m tower and homebrew cubical quad antenna. To begin the process, design a part in a cad package or download one from cubify. Mk series the standard of comparison of the quad antenna industry.
May 20, 2015 2 element complete 3 band 10, 15, 20m antenna 5 band 12m, 17m 8 deluxe fiberglass quad arms ft. It is designed for cubex system administrators to maximize their use of the cubex solution through skill development, continued education, and technical solutions. I would say thats really a fantastic antenna and i havent seen any yagis that compare. My 4element hf cubex ham radio quad antenna youtube. Cubex customer portal the cubex customer portal is a compilation of learning resources and training tools, with a reference library, cubex university video tutorials, and articles. For wallpaper images of this particular cubex quad, click here. To discuss any deeper you would need to name a specific antenna design and give a specific changes to it. After taking antenna down last week, the antenna mechanisms look like new, and elements and housings look perfect. Modifying the boom on the cubex scorpion 88 to allow on mast polarity changes without dismantling the antenna. I order with the matching sections as i already built an antenna switch and actually control it from hrd and the computer parallel port. Part of the performance they acheive is through a very high q feed design. We are the leader in automated inventory management.
Apr 18, 2018 is everyone out of the quad hf antenna business except cubex. I purchased the cubex scorpion ii to replace the cushcraft b2 antenna as i was having trouble with working ssb and also was not happy with the performance in general. Mk ii 2 element complete 3 band 10, 15, 20m antenna 5. The mark series are complete pretuned antennas and they are the top of the. At cubex, were passionate about the veterinary industry and strive to help practices address common issues and concerns when it comes to narcotics safety and inventory management. This is an excellent allaround antenna and i highly recommend it. To see the construction and installation of the 20 foot tower, click here. One glitch that i experienced was that the webpage that depicted the antenna did not note that there are two different kinds of boom to mast assemblies, a standard t connection for pvc and an optional extra charge uboltplate type assembly. Conceptually, the multi band quad is a simple antenna, with separate driven and reflector loops for each band. They may be related, but it depends on the type of antenna and how it is optimized. Down loaded building a 4 element cubical quad from the ultimate guide to 11 meter cb antennas.
I have noticed that it can open and close the band. The 20 and 17 meter loops require a bit of reinforcement at the corners, seen in the center picture. Hellothis is mel wa5utki have had several request to do a video on my cubex 4element ham radio quad antenna the boom is 30ft. Cubex currently offers cubical quad antennas for 70 centimeters through 40 meters. Listed under the manufacturersradio direction finding category that is about radio direction finding systems. Cubex mantis ii 3040 4l5b has exceeded my expecta time owned. Mantis series cubex mantis il 40m is a pretuned quad antenna. I have even modeled and built quagis that exhibit excellent gain and patterns. Mar 22, 2021 little tarheel series uses the pittman commercial 12volt gear motor.
Many of my ham friends use quads and they reside in ice prone locations yet their antennas are still in the air. In the case of the fiveband, 20 through 10meter quad, the driven and. Im asking for a techs assistance or someone who may have a manual for the cubex magnum cb4 or the information that may be useful to rebuild the wire elements. We provide solutions that eliminate the need for manual inventory tracking and dea logging.
Ive had my new cubex mantis ii 3040 4l5b up and operating since midjuly of this year and have to say that both the company and the antenna have exceeded my expectations. Why cubex our solutions products our inventory management products and smart cabinets come equipped with cloudbased software to reduce risk, increase efficiency, and increase profitability. Cubex ltd an overview cubex is an industry leading drill rig manufacturer focused on the design and service support of a wide range of underground and surface inthehole ith drilling equipment. On the right is a picture simply showing the routing of all that coax to the center of the boom. Jul 24, 2010 i now fully believe the pictures on the cubex site showing quads hanging in a mess covered with ice one day, and the next right back to their former selves. Doublet multiband antenna that is not resonant on a particular band. Box 352 alto, mi 49302 the dbi gain figures are fictitious, but since other antenna manufacturers tend to use them to manipulate things in their favor by enhancing their specifications with phony data, weve added them so that you can get accurate comparisons. The main category is quad antennas resources that is about quad antenna, how to build a quad antenna for ham radio use. Continues to amaze me and out performs any antenna i have. Cubex mark ii series cubex quad antennas mk ii pt3 mk ii pt5 safety warning please read through these instructions completely. Little tarheel ii mobile hf 806 meter ham radio antenna.
Thanks to norman from cubex and christian from radio33 who supplied it. Listed under the antennas quad category that is about quad antennas resources. Cubex sells onepiece spreader clamps that work very well. I started assembling the antenna and thought these elements are going to be a nightmare to install but they went together pretty easily. Listed under the antennasquad category that is about quad antennas resources. Mantis series cubex mantis il 40m is a pre tuned quad antenna. All kits include the complete and comprehensive cubex quad construction manual. The cubex uses your 3d model to create a 3d printed part. A piece of heavierwalled 2inch aluminum should be adequate for a 2element quad. The performance of this antenna has been superb to say the least. The boom is 8 feet rather than the normal 5, which enhances performance of the array. The quietness and fb rejection of this antenna is, by far, the absolute best ive found in any commercial 4element directional antenna nothing compares.
Jul 03, 2018 i have a cubex 2m 8 element that beats a b2 in my unscientific tests. Feb 23, 2017 check out some of our customer comments as to the ruggedness and survivability of their cubex quads. Cubex look nice but seem expensive, maybe due to no competition. Im trying to purchase the 4 elements through cubex tennadyne.
The quietness and fb rejection of this antenna is, by far, the absolute. Information about cubex quad antennas can be found at. This link is listed in our web site directory since sunday aug 29 2010, and till today 2 element cubex quad setup has been followed for a total of 2293 times. For example we could imagine two antennas with vastly different beamwidths, but which could be designed to have similar forward gain, e. In decades gone by, there were many ads from makers in the mags. Five band, two element quad for 20 through 10 meters. The company has expanded progressively with leading edge equipment designed for a wide variety of drilling applications.
The technical support behind the antenna is excellent. I already had a 4position antenna switch box, so tying 17 and 20 meter loops saved me buying a new relay box. Antenna system consists of the antenna, optional junctions box, remote control box. Cubex drilling division overview product book cubex pdf. I opted for the impedance matching lines and mast mounted antenna switch you must provide the switch or purchase separately from cubex. The cubex has performed better than anything tried before and picks up very little noise from the railway compared to the verticals i used to have. The antenna comes boxed about 5ft long and 6 inches square and weighs a ton, well 20 lbs actually. In closing i might add that the cubex five band quad is actually 5 separate, full wave loop element arrays, independent of each other on one support structure. Dont touch a thing if you do want to tune the antenna for higher frequencies, you need to trim the driven element and the rg11 transformer. Congratulations on the purchase of a cubex kingbee antenna. Inspired buy a couple forum members i decided to build a fully adjustable antenna that i could put up myself. This allows a single feed wire from the balun to the rig. Our solutions reduce the amount of manual labor needed for tracking dea logs, inventory logs, and supply ordering by providing automated dispensing, automatic.
1518 187 122 718 87 724 2 137 1597 1775 225 261 990 554 1538 912 164 833 1049 370 194 346 255 951 308 90 1600 121 870 185 613 226 968 280 930 253 1140 873