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Radio amateurs are often also nature lovers and therefore often outdoors. When hiking, camping or on holiday, there must be an opportunity for the hobby as well - but with which antenna? Have it erected with the 10m travel mast and it’s a great pair. I’ve used it to SOTA on 40m SSB with a Discovery TX-500. Worked well SWR 1:1 reaching Switzerland. Great support and advice from the team here as always Super Antenna TM1 Low Profile Tripod SuperMount is a compact small collapsible portable antenna tripod with coaxial mount made by Super Antenna Systems Corp. and unclipping part of the antenna. You get no-compromise dipole performance on all design bands. It works well for casual portable operation provided you don't need to change bands instantly.The solution is a sand spike. Either buy one or make your own. It needn't go very deep if you're just using a lightweight pole and wire vertical antenna. The Chameleon Antennas are made with the finest material available. They can be used for multiple purposes such as Mobile, Portable, Base station, Marine, EMCOMM, MARS/CAP, ARES, SATERN, RACES, First Responders, Emergency Preparedness, Skywarn, Military & Government communications and much more. Then in the third video I add a parasitic element (whose length and position is critical) for some gain and directivity on 21 MHz.
A unun is a matching transformer used to convert the unbalanced impedance of the long wire close to something the antenna tuner can work with. It is not the same as a balun (more about this in a moment) . If you’re going to operate HF portable, the choice for a lot of people is to run Q or P anyway, because it’s so much easier. Five or 10 watts is fairly easy to do on batteries. And if you’re going to operate high power with bigger batteries, then probably you’re going to have more success anyway. I have never once built a home-brew aluminum antenna. Readers of this blog will attest to my affection for antennas made from locally available copper. Now was as good a time as any to make this antenna the traditional way. The above Moxon is a bit unwieldy for short-term portable operating. Wire elements can flap around in the wind and the critical coupling means that performance can vary. They deal with aluminum tubing in a big way. I love my 43 foot antenna from them. It was a natural first place to go for a supply of antenna components.Bluetooth® and wireless LAN are built-in. They can be used for smartphone linking and remote control, and also for Bluetooth® headsets. For me, it works very well. And I’ve often used that, particularly in the winters when it’s cold. The advantage is that it’s very compact when it’s all folded up in its circle carry bag, it covers 40 through 210 meters. It covers all the bands, including the walk bands, and it doesn’t need an antenna tuner. This antenna, when it’s resonant, provides a very, very low SWR.
How do you choose the best HF antenna? Whether your obstacles are trees, buildings, operating indoors, or something else; HERE IS HOW TO choose an antenna that will work in your physical environment. When choosing the best HF antenna, first consider NVIS and DX objectives
The HFJ-350M Toy Box Original Comet Portable 9 Band Telescopic HF Antenna is the perfect tool for Amateur Radio enthusiasts of all levels! Its capacitive coupling with grounding or counterpoise ensures proper operation. With a frequency range of HF to 50MHz, this antenna is perfect for a variety of applications. A tripod/mast is not required if there is a tree or other structure to support the antenna. Positioning the random wire portable antenna may be challenging depending on what is available to hold it up. one support pole if you set the antenna up as an end-fed full wavelength inverted vee. Grab 20 - 22 metres of wire, an 8 or 9 metre pole, I’ve found that often my antenna won’t work. If I don’t have an external tuner, then the wire will end up being too short and this makes it difficult to get good reception. To avoid these problems in future,I want something with simple compact design like whip antennas which are resonant when you’re right next them without any need for an earth or ground plane attached – unless one has their own device doing so job already! The easiest way is simply to run out a length of wire along the ground, which is connected to the earth side. And that acts as a ground plane. That is absolutely essential. And don’t ever try to operate with a wit without having a ground connection or preferably with a wire or sort of counter-voice connection. It just won’t work. Choosing the best HF antenna for your physical and operational needs will determine whether you can successfully communicate or not. So consider these things:
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