Portable hf antenna designs. How it came to this.

Portable hf antenna designs. In this guide, we’re going to cover the most common types of ham radio antennas, point out the differences, and the pros/cons so The Little PRO is a small short base antenna, meaning it's needs to be mounted high on the vehicle. 80, 40, 20 and 15M were proven at FD 2018} This one is 30 feet high with a unique top hat, utilizing an SG-230 Smartuner and a single elevated radial. Sounds too good to be true? Well, remember the physics of antennas don’t really care whether the equipment has got some big company name on it or not, as long as May 14, 2019 · The GRA-1899T Portable Telescopic HF Antenna is designed for amateur radio enthusiasts who want a convenient way to tune to their desired frequency. A tripod with its various angles, stress points, etc. The design, which requires minimal space and height, achieves 6-10dB front-to-back Oct 18, 2025 · POTABEAM Componets Included DX-75+ HexBeam Hub plus a 1" hub insert/spacer. Design an Off-Center-Fed Dipole (OCFD) antenna, in either flat-top or inverted-Vee form, using a single main support. PROVEN ANTENNAS BY N4UJW and KL7JR Simple to build HF and VHF antennas for Hams and SWLs without all the antenna geek talk! Jun 6, 2015 · HF Windom antenna, cover 80, 40, 20 15, and 10 meters, antenna design ARRL’s HF Dipole Antennas for Amateur Radio is a collection of 20 HF dipole antenna designs published in QST, ARRL’s membership journal, between 2000 and 2017. The ‘HF Antenna Cook Book’ is the result of this need to build different antenna systems and has been written to show the RFID Engineer how to design various HF antennas for use with Tag-itTM transponder inlays. 5 foot (5. It discusses the importance of high efficiency antenna systems with a slim profile for low wind resistance, along with physical constraints and design considerations. Explore now! For many years, I dropped the HWV approach in favor of dipoles or inverted-Vs for 80/75 meters, but became interested again when reading about Jack Swinden's (W5JCK) clever "broomstick with a Top Hat" portable antenna design. But because it is such a simple and effective antenna for many HF applications, several different methods have been developed to use a single dipole antenna on 2 or more bands. Tarheel Designs LITTLE PRO Mobile Screwdriver Antenna - 3. 40m/80m Multiband antenna #4 - the Windom With this entry, I am talking mostly about the newer "Carolina Windom" variation of an old off-center-fed-antenna design from the 1930s. Covering 60m to 6m bands (5-50MHz), this compact and portable antenna is engineered for maximum versatility wherever you go. Feedback: QST August 2002, p. 6 days ago · Antennas for HF mobile operation The page provides guidance on building a mobile antenna for HF bands using a cheap CB-mobile whip antenna base. 28-32 A 10 foot vertical antenna that works from 40- to 6 meters. 800 MHz and emphasized the importance of 2 days ago · Explore a comprehensive directory of multiband antennas for amateur radio enthusiasts. To avoid this, cancel and sign in to YouTube on your computer. HF Vertical Antennas Design and Structure Apart from Alpha’s OCF Antennex -- The Ham Antenna Magazine -- all about antennas -- on line All-band Wire Antenna - From Joe Tyburczy, WB1GFH BackPack Antennas -- From HFpack, The HF Portable Group. Sep 18, 2024 · We show you what to look for in a portable ham radio antenna that'll work best for your next Field Day, POTA Activation, IOTA, EMCOMM, or other portable ops. Tactical & Portable HF Antennas Our line of transportable HF antennas are lightweight, rugged and have been engineered with quick-erection features for ease of installation and rapid deployment in the field. A simple mount will hold this antenna, any good lip style mount will work. the all band doublet. 65 A Simple and Portable HF Vertical Travel Antenna QST July 2002, pp. Before we start building, a little antenna theory… Jan 19, 2021 · So far in the $50 Ham series, I’ve concentrated mainly on the VHF and UHF bands. The Moxon antennas also known as Moxon Rectangles are two elements beam antennas, based on a simple design, similar to Yagi antennas, but with bent elements and without the director. Apr 5, 2020 · It works a treat. How it came to this. 37-39 KF2YN takes the vertical to new heights with this folded design that doesn’t require a counterpoise. The content is useful for amateur radio operators looking to enhance their mobile communication capabilities. There are a number of loop designs out there, and to distinguish this one, I’m going to henceforth refer to this loop as in the title above: the Noise-Cancelling Passive Loop (NCPL) antenna. You don’t have to because the music industry offers quite an assortment of sturdy models. Delta loop antenna designer Design a vertical-plane delta-loop antenna for one or more amateur HF bands, in one of two different configurations: apex-up - a symmetrical triangular loop with the apex (mid-point) at the top, and a horizontal section at the bottom. It includes images and descriptions of the antenna setup in a car. Connection from your wire antenna to your coax cable is made with a pre-assembled coax cable and adapter that accepts a feedline with a PL-259 / UHF male connector. 03m) stainless telescopic antenna. 2 He used 1/2 wavelength of wire for a targeted resonance frequency of 3. The half-wave dipole is primarily a monoband antenna, since it is one-half wavelength long at only one frequency. The An end-fed half wavelength wire and small coupler is my default portable antenna if I just want to take the minimum. Upgrade your HF station for less. com motorized antenna,screwdriver antenna, mobile HF AntennaHome of Tarheel Antennas and Mounts since 2008 Our motorized antennas and stainless steel mounts are designed with the most avid HAM radio operator in mind, as well as commercial applications. (More on this antenna below). com. Since then, I have received many inquiries on how to build one yourself. Aug 26, 2025 · Designing a portable HF and VHF radio station can feel like a balancing act between capability, weight, and efficiency. is not an easy thing to design and make. The Center-Loaded Off-Center-Fed Dipole (CL-OCFD) antenna, developed by Serge Stroobandt, offers a versatile solution for amateur radio enthusiasts, covering multiple HF bands (80, 40, 30, 20, 15, and 10 meters) without the need for an antenna tuner. You get to combine visiting new places, […] Mar 12, 2023 · How I found the best antenna for my SOTA/POTA activations by Thomas (DM1TBE) Intro Until January this year I had a German “Klasse E” / CEPT-novice amateur radio license (equivalent to the US Genera… Jun 16, 2016 · A collection of nine cool homemade portable antennas for HF bands selected among our portable antenna projects for amateur radio spiderbeam high performance lightweight antennas Welcome to Spiderbeam - your specialist for fiberglass & portable HF antennas Spiderbeam was founded in the year 2000 by DF4SA, sparked by his passion for highly competitve radio contesting during portable, outdoor operations, fielddays, DXpeditions, etc. Jul 24, 2015 · To begin with, my design goals was to work 40m and 20m since those are the two primary bands I use for DX communications. My last portable antenna was two hamsticks in a A Home Brew HF Vertical From Copper Pipe by John Reisenauer Jr. Our HT-20 series feature ultra-lightweight telescoping masts which collapse to a tra The antenna designs presented here are specifically cut to the dimensions necessary f or proper operation in 140 -150 MHz VHF band. However, the formulas for conv ersion give only a generalized information and much We offer the Latest generation of Broadband HF (T2FD/T3FD) Travelling Wave Dipole & Delta Loop High Frequency Antenna Designs that offer compatibility with most digital and analogue transmission modes. In this article I’ll discuss a few options and then give detailed instructions on how to make a super-easy, super-cheap HF antenna-to-go that really works. Here are key differences between these antennas, which focus on their Design, Performance, and Applications. 6-80 meter Portable HF antenna that deploys in 5 minutes for pre-tuned touch free operations that provides directional DX and EmComm NVIS. They are made with the best materials and top of the line workmanship. By choosing the right materials, and not worrying about how other books show to do it, it can be quite easy and quick. Find DX Engineering HF Portable TW Antennas and Accessories Clearance Savings Central and get Free Shipping on Most Orders Over $99 at DX Engineering! Preserving and building upon the legacy of this premier portable HF antenna line, DX Engineering is now the manufacturer and seller of TW Antennas! DX Engineering's acquisition of the products and designs of these unique HF portable and stealthy Mar 1, 2023 · Introduction The POTA PERformer (Portable, Elevated, Resonant) is an elevated vertical antenna for 40M-6M sitting on a tripod (or an extended ground spike) with the feed point about 5-6’ off the ground and two elevated tuned radials. The hood, door jamb, bed rail, high hatch are all good place to mount this antenna. Feb 8, 2025 · Sorry – Flame Shields Up…. Smaller turning radius (66") compared to traditional beam antenna designs due to the reflected, folded dipole design. The new Lithium Ion Nano-phosphate batteries, the A-123's Here is how to choose the best DX and NVIS Alpha Antenna system for base, portable, or mobile HF deployments. 87 25 Foot 5 Band HF Vertical "The Wonder Stick" A good working hf vertical for the price of a hamburger and fries! by N5VEG I like to experiment with antennas and have built many dipoles for the various bands. Find resources, plans, and guides for building and using multiband antennas. Among the best options are vertical antennas, dipole antennas, and magloop or magnetic loop antennas. Lose the giant enclosure, reduce the weight of the wire, and downgrade its power handling to 50 watts data. EFHW antenna designer Design an End-Fed Half-Wave (EFHW) or an End-Fed Random-Length (EFRL) antenna, in inverted-L, or inverted-Vee, or sloper form, using a single main support. As you experiment with this antenna, remember to take notes on your findings. It’s not hard to figure out why, either. Oct 3, 2021 · Top 3 Portable HF AntennasVideos you watch may be added to the TV's watch history and influence TV recommendations. Understandably, new ham radio operators are often overwhelmed by the options available to them because of the variety of features, sizes, and price points. com: portable hf antennaJPC-12 HF Antennas for Ham Radio with Slide Regulator 7MHz-50MHz All Band Hf Vertical Antenna 40m-6m 8 Bands for Outdoor 4. e. This antenna is easy to build and to erect, needs just a single central support, and bands can be quickly changed by opening or closing links between the elements in the antenna. Building a Simple HF Dipole Antenna A wire dipole is one of the easiest antennas to build, and the same methods can be used for most other wire antennas. VHF and UHF Moxon antennas are very popular thanks to the easyness of construction and portability, while HF models are very uncommon, but Dec 29, 2023 · The first was Chameleon’s Tactical Delta Loop, a portable antenna incorporating a matching transformer and tunable from 3. Discover new antenna designs and setups. With its innovative design, band changing is achieved by simply plugging the "wander lead" into the appropriate socket on the base coil, and then making fine tuning adjustments with the 10-section MA-50 Dipole: A versatile portable HF antenna for amateur radio enthusiasts who need to deploy an antenna from a single upright. With where we are in the solar cycle we are fortunate enough to get great propagation on the upper HF bands (read: physically small antennas) Don't get fancy, either. A Ground-Coupled Portable Antenna QST January 2001, pp. Dipole 20 AWG insulated wire legs for both 80 and 40 meter dipoles. 95* Buy It *After Coupons & Promotions. All CNC machined parts are made in house. A PORTABLE ANTENNA DESIGN FOR AMATEUR RADIO History of the Buddipole ng portable” ham station. Backpack 2m EFHW Improving your 2m Rubber Ducky antenna by adding a ground radial Portable 80m Verticals for ARDF transmitters Dual-Band Matching Network for HF verticals Switched Multiband Matching Networks for HF verticals Colinear Wire Verticals for 2m “Clothesline” HF Vertical Random Vertical Wire with base transformer May 24, 2025 · This article presents an innovative homebrew antenna design utilizing surplus ladder line as a receiving antenna for HF and MF bands. Lower Mast Length -- 18" Lower Mast Diameter -- 1. Feb 3, 2023 · Man-Portable HF Antenna strategy February 3, 2023 Julian OH8STN Antenna Testing, Chameleon Antenna, Education, Emergency Communications, Field Comms, Ham Radio, Off Center Fed Dipole, Portability & Mobility, Portable Ham Radio, QRP Portable 15 Introduction An overview of common ham antennas for portable, base and mobile use, geared towards the new ham. I have a commercial vertical and like it but I wanted to try to build a smaller, simpler light weight vertical for multiple bands. Jan 3, 2025 · The Best Ham Radio Antenna: POTA PERformer HF Vertical by kb9vbr | Jan 3, 2025 | Antennas Last month, Dave and I demonstrated the elevated linked radial system he designed for his portable vertical antenna. 5 to 54. Each chapter deals with a particular design and an extra chapter at the last part is added to help the constructor in converting the given antenna dimensions for other frequencies. portable antennas Welcome to portable-antennas. I came up with what I call the "Wonder Stick Amazon. Here is an example of a wire HF ground plane antenna feedpoint using my portable dipole kit: the two red radials are the wires for a 20m dipole, and the yellow vertical wire is an additional piece cut to about the same length. This type of antenna is designed for one principal amateur HF band, usually 80 meters or 40 meters, but typically displays VSWR minima on at least two higher bands, and can therefore be a good multi-band antenna. 1 day ago · Shop HAM radio antennas, antenna systems, and antenna components from the best: DX Engineering, Cushcraft, Hy-Gain, Hustler, COMTEK SYSTEMS, Diamond & more. Home-Base HF Vertical Antenna What Jun 3, 2025 · The MP1 Super Antenna Ham Radio Portable Antenna for HF – VHF is a versatile and powerful antenna designed for both indoor and outdoor use. Maybe you want it for field communications, emergency readiness, or just to get away from the shack for a bit—either way, the right design keeps things reliable without weighing you down. Find projects, designs, and tips to improve your indoor antenna setup. A well-planned portable station gives you clear, consistent communication and stays A Disguised Flagpole Antenna QST May 1993, p. com! - a collection of easy-to-use tools developed by a radio amateur (read more) for use by anybody with an interest in designing and building their own lightweight portable wire antennas for the HF amateur bands. The "C Pole"— A Ground Independent Vertical Antenna QST April 2004, pp. My wants were something small, that would fit in my work bag, that didn’t require a tuner, and could work on a couple of different bands. It includes antenna projects for single- and multiband antennas, as well as antennas for portable applications. Simple wire antennas are quite allright, but using them to do well in a contest is pretty Half-square antenna designer Design a half-square antenna for amateur HF use which, depending on how it is fed, can function either as: a single-band full-wave antenna fed at one upper corner (current-fed) and acting as two phased vertical antennas: in this configuration, the feed-point impedance will be close to 50 ohms and the antenna will propagate at low elevation angles, predominantly in Get great performance on your HF operations with our top 5 recommended HF Ham Radio Antennas for beginners. in all directions. {ed. Moxon antenna designer Design a lightweight Moxon antenna for the upper HF bands and VHF. I ordered a Hustler MO1 mast which is 54 inches tall and thought I would attempt to make a portable POTA antenna. They were asked to choose their "favourite portable antenna" from: Ground-plane W3EDP Endfed Halfwave Single Band Dipole Random Length Endfed Doublet Linked Dipole Magnetic Loop Multiband Loaded Dipole Other The order the antennas were listed in was randomised so A backpack portable HF Beam? Yeah right! It does work! The two-element, single mast, HF Beam described below, on recent SOTA activations has brought 20w SSB contacts with W, ZS, VK and ZL as well as most European countries from DL. The Ladder Line Antenna (LLA) transforms standard 450-ohm ladder line into a directional, bidirectional, or omnidirectional antenna system through different termination methods. Jun 15, 2018 · The Umbrella This post describes a simple, easy to make and erect portable vertical antenna for the low bands (160, 80 and 40M). This innovative design utilizes a capacitor See full list on swinginwest. In this example I’ve chosen a variety of components to Vertical antenna designer Design a vertical antenna for portable use. Sep 9, 2016 · A collection of seven projects of Moxon Antennas for Ham Radio HF Bands. Another good choice is Hustler HF antennas Ham radio antennas come in various types, each with its own characteristics, advantages, and disadvantages. 5 days ago · Discover a variety of indoor antennas for amateur radio operators on DXZONE. 5Ft) (M10) The compact design allows the antenna to be stored in a small bag, while the easy setup process takes just 5 minutes. 5" Whip Length -- 32" Jul 26, 2022 · They are used primarily as mobile and marine antennas. Antenna base I had a couple of small aluminum plates that I drilled out a few holes. The POTA Antenna Book A Complete Guide to Portable Antennas by Don Dickey - WV1W Updated for 2025 With 50 years on the air, I can’t remember buying a commercial antenna until I purchased a hamstick for POTA! That said, this book differs from most other antenna books as it covesr both home-made designs and commercial ready-to-use products. Design or build your antenna here! Antenna project contributions are from all over the world! HF, Vhf, Uhf antenna projects and lots more! Most are designed for ease of construction and expense! All projects have been offered by their authors and builders to share their antenna ideas and fun with all hams worldwide! Unlock the full potential of your radio setup with the Radioddity HF-009 vertical antenna. Radiation patterns in elevation typically show low-angle vertically-polarized radiation, so verticals What is the best HF Antenna? High Frequency (HF) antennas are crucial for effective communication in amateur radio. 6 days ago · The page provides guidance on building a mobile antenna for HF bands using a cheap CB-mobile whip antenna base. Just over 300 people responded. EAntenna’s HF Rotatable Delta Loop has 1 and 3 kW models intended for base station use and include a matching unit at the antenna mount. Perfectly suited for Multi-Band operation, our products are the best HF antennas for long distance skywave & short distance NVIS This antenna project will get you up and running with an all band Hf antenna using one of the oldest and least expensive ham antennas around. Feb 20, 2025 · What is The Best HF Vertical Antenna on The Market? Various brands available on the market, among them Super Antenna brands are most popular and selling in a large number because of compact kits. Jul 4, 2025 · When choosing a portable HF antenna, MC-750 and JPC-12 are two options with similar performance but distinct design features. 6 days ago · RockLoop Antenna The RockLoop Antenna is a compact multiband portable and indoor antenna suitable for QRP operations on the 10, 14, and 21 MHz bands. 5 to 54 MHz - 300 Watts PEP HRO Discount Price: $549. The Buddipole™ - HF portable dipole antenna system, Welcome to the home of the Buddipole™, an hf/vhf portable dipole antenna system which is designed to be modular, versatile, and efficient. The EFHW antenna is designed for one principal amateur HF band, usually 80 meters or 40 meters, but typically displays VSWR minima on several higher, harmonically-related, bands and can therefore be a good multi-band VHF UHF HF Antenna Design & Manufacturer of Magnetic Loop, Dipole, Vertical, Yagi, MagLoop, End-fed for EmComm, Ham, Amateur, and Military. Apr 28, 2023 · Portable operating—in parks, on islands, atop summits—has become delightfully popular over the past few years. I have also added a coil of 4mm diameter aluminium wire. But does this portable antenna deliver where it matters most? I've put it through rigorous testing to help you decide if it's worth adding to 2 days ago · A portable 10/20/40 mt vertical antenna The web page provides detailed information on a portable 10/20/40 meter vertical antenna designed for mobile operations, including modifications for 20 and 40 meters. Enhance your communication with these expert-recommended options for superior performance. No G5RVs, trap dipoles, EFHW verticals New To HF? SEARCH About Hamuniverse Antenna Design Antenna Safety Ask an Elmer About Batteries Code Practice Computer Help Electronics Emergency Power! FCC Information Ham Hints - Humor Ham Radio Books! Ham Radio News! HF & Shortwave License Study Links Midi Music Reading Room Repeater Basics Repeater Builders Info RFI Tips and Tricks Ham Satellites Shortwave Listening SSTV Support The Site You can build wire antenna designs using any combination of wire or ladder line. Although, Comet HF vertical antenna is the best from our perspective view due to user satisfaction, flexibility, and lower budget for people affordability. 1 Meter (13. A portable antenna does not have to be an epic quest. I wanted the first iteration of the antenna to be simple, portable and obviously low cost as I sure didn’t want to spend money only to find out this antenna stunk. Design a linked dipole, in inverted-Vee format, tuned for up to six amateur HF bands. 58 (included in PDF file above) The Advanced HF Solutions High Frequency FLUTE antenna’s unique patented design differs significantly from traditional dipole, vertical, wire, loop or other antennas. The page provides detailed information on the design and usage of this antenna, making it a valuable resource for amateur radio operators looking to improve their setup. . The reason for this has to do mainly with FCC rules, which largely restrict Technician-level licensees to thos… First, let's get this out of the way; a single band antenna will always outperform an equivalent multiband antenna for a variety of reasons. The original Windom used a single wire feed line which created considerable RF-in-the-shack issues. 28-31 How to build a portable, efficient 40 through 10-meter vertical antenna on the cheap. The author shares instructions, tips on mounting the antenna, grounding, and band Design or build your antenna here! Antenna project contributions are from all over the world! HF, Vhf, Uhf antenna projects and lots more! Most are designed for ease of construction and expense! All projects have been offered by their authors and builders to share their antenna ideas and fun with all hams worldwide! 4nec2 antenna modeler and optimizer NEC2/4 based Antenna modeler, analyzer and optimizer. Jul 24, 2024 · Ham Radio Dude’s portable end fed half wave antenna, the Dudetenna, features a substantial toroid and reinforced radiating wire for 100 watt operation in both digital and sideband modes. But, first, to better appreciate the characteristics of this portable antenna, I believe it is important to first review the characteristics of its bigger cousin: the base station HF vertical. And, yes, folks…it’s fun to build. Wire ground plane antenna for 20m, using materials from a portable dipole kit. I had seen where a ham had used these on a ground stake as a portable antenna as well. Its innovative split design and Ideally, a loop antenna is designed to be portable, easy to assemble, small enough to use when camping or operating in remote locations, and able to cover several bands. 0 MHz with an ATU. My portable field antenna kit: Field Antenna Kit – N6CC As shown, the kit contains the following: Lightweight HF dipole center insulator with terminals and SO-239 Coaxial connector. Nov 30, 2024 · 80m Horizontal Loop Antenna for Field Day Portable 200 ohm loop antenna Wire quad antennas 5-element 20m Portable Delta Loop beam simple 2m 2-element quad Feeding large loops Double loops hand-held DF loop for 40m through 15m loop antenna photos BACK TO: antenna designs loop antenna theory full wave loop theory RELATED LINKS: construction of Dec 11, 2024 · multiband dipoles last updated 11 December 2024. Plus I wanted to run a bit more than just QRP. Antennas can be divided between two basic designs Alpha also makes antennas for military use. Below, we’ll explore their main differences to help you decide which best suits your needs. A $6. Antenna Design “Small loops have a poor efficiency and are mainly used as receiving antennas at low frequencies” Oct 18, 2014 · I carried out a survey in early 2014 to try to discover which portable HF antenna was most popular. Its ease of setup, combined with the ability to elevate radials, provides an innovative approach to portable operations. Oct 2, 2023 · There exists, for good or worse, a new wire-antenna design website aimed at portable radio activists. Aug 1, 2024 · Multiband Center-Loaded Off-Center-Fed Dipole (CL-OCFD) antenna that work on 80m 40m 30m 20m 15m 10m. Note fishing snap swivels for far-end attachment to halyards. Stay connected while on the go with the ease and convenience of the JPC-12 portable shortwave antenna. Vertical antennas for portable use are designed for one principal HF/VHF/UHF amateur band only; they have an advantage over other types of antenna in that they receive and transmit omni-directionally, i. When I operate a portable station from Rosersberg (outside my place of work) I use an MFJ-1979 16. Wire length isn't that critical (approximately 22m radiating element plus a small counterpoise of 2 or 3 metres) for coverage of most HF bands 7 MHz and up with a small coupler. We can group them as follows: harmonic resonances Explore the top 5 ham radio antennas for maximum range and clarity. , KL7JR/KL7USI Use it portable or for fixed station operation! Interchange lengths for 5 band HF fun in the Wild! In my younger days on portable island activating adventures, I used a homebrew multi-banded quarter-wave vertical antenna that was easy to assemble and disassemble and didn't take up a lot of space in my canoe. My antenna's name probably reflects the fact that its design is derived from a military model. May 15, 2024 · Get a good look at popular portable HF Amateur Radio antennas to improve your on-air performance & get ready for ARRL Field Day. This requires one single central support at the apex, great for rapid deployment. Antenna Wire – Tunned and preassembled with crimped and soldered connection points. Mar 22, 2023 · With that said, If I were Chameleon Antenna, it would be smart to design a man-portable version of this antenna. But on a lark I decided to attempt The JPC-12 portable HF vertical antenna is an excellent choice for amateur radio operators seeking a versatile and effective antenna solution. The Ground-Image Vertical Antenna QST July 1971, pp. The site, to be found at sota-antennas. The Moxon is basically a compact version of a 2-element Yagi with folded elements, designed for a single band, with a feed-point impedance very close to 50 ohms, and offers good forward gain and very good front-to-back F/B ratio. Since then, thousands of stations have been worked on the amateur radio bands, mostly from here is a Yaesu FT-857ND. . com Dec 11, 2016 · For all the choices, it’s surprisingly hard to find a portable antenna for HF that is affordable and practical. With its compact size and impressive signal strength, it has become the #1 HF Portable Vertical Worldwide. It has some ‘gain’, in the direction of the radial, and a good amount of vertical radiation for NVIS. 16-19, 22 Theoretical considerations Jul 19, 2013 · Tripod for the Portable HF Antenna One major premise of this design is the use of a commercial speaker stand from the music/sound reinforcement industry. Oct 30, 2022 · A (surprisingly good) tabletop HF antenna by Sam Duwe, WN5C I recently built a tabletop QRP HF antenna for 17 and 20 meters, in the spirit of the Elecraft AX-1, so I could operate at lunchtime on the campus where I teach. Aug 18, 2023 · Simple Construction of Wire Antennas last updated 18 August 2023. The Radioddity HF-008 promises to solve this problem with a compact design covering an impressive 80m to 6m frequency range. The Feb 24, 2025 · For ham radio operators with limited space or those who need portable setups, finding an effective HF antenna can be challenging. ggf klhmu fgwvaz 8byyqp 7cwvc w3 yix vkpbe 6bu3s vzxl