Sloper antenne. [4] The angle of the slope is .

Sloper antenne [] It is also possible to feed the antenna asymmetrically. This only requires one relatively tall support, making it somewhat more convenient. DX-B - 1/4-wave DX sloper - A single wire with high performance on 160, 80, 40 & 30 Free Shipping - Alpha Delta Twin Sloper Antennas with qualifying orders of $99. [1][2]The Sloper Antenna is a slanted Dipole antenna. Under these conditions, the data about the antenna in isolation holds far less guidance than it does for most other types of antennas. Traduzione di IK2PTR, rivisto e corretto da IW5EDI Avete mai pensato di provare i 160 m ? L’inverno è il periodo perfetto per esplorare la “top band “. The amount of gain depends on antenna length, or more exactly, on the num-ber of half wavelengths ill each element. I live on a limited lot measuring 47m by 89m, but the good thing about it is its proximity to salt lake Karataban of 1 mile in diameter. 6 days ago · Sloper antenna for both 40 and 15m bands cut into tower guy wire. A sloper is typically fed with a coaxial cable in the center, at the top of the center support mast. All Alpha Delta antennas are manufactured in our ISO-9001 certified manufacturing facility for highest quality. In the end, no sloper is a textbook case. The sloper's feed point is anchored high above ground near the top of the tower on which sits a grounded HF yagi beam antenna. Designed for limited spaced applications and ruggedly built for many years of service. 32 Shortwave Antennas The Alpha Delta DX-SWL Sloper antenna offers exceptional features and performance! Hams have been using slopers for years because slopers offer some unique advantages not found in other antennas. The CHA LEFS is a six-band, no-tuner, High Frequency (HF) antenna for use on the 40, 20, 17, 15, 12, and 10 meter Amateur Radio Service (ham) bands. This innovative product is meticulously crafted to provide superior signal radiation and reception, making it an essential addition for amateur radio enthusiasts seeking optimal performance. Overall length is 23 inches, schedule 40 pvc for extra durability. Die Höhe war einfach zu gering und hätte mittels 18m oder 24m-GFK-Mast sicher verbessert werden können, doch die Abspannpunkte für einen so hohen Mast fehlten einfach. This antenna operates across four bands – 40, 20, 15, and 10 meters – in the Amateur Radio Service (ham), expanding to seven bands with a tuner. . 0MHz and lower frequencies, which will both occur in the direction of the slope. Flat radiation, easy installation, simple alignment. Note: In picture above, 38. Have fun and listen to great DX provided by these efficiently designed antennas. At a 50' peak, the middle of a sloper with a 8' base will average around 29' in height. ----- Thanks for joining us today. A Reduced-Size Half Sloper For 160 Meters QST March 1998, pp. 37 inches or 3. 54-56 Here's a limited-space antenna that you can put on your 40 foot tower or even a tree. 999 feet (125 Feet) 2. Directivity is away from the supporting metal mast The Lightweight End Fed Sloper (LEFS) 8010 is an eight band, no- tuner, High Frequency (HF) antenna for use on the 80, 40, 30, 20, 17, 15, 12, and 10 meter Amateur Radio Service (ham) bands (60 meters with a tuner). ' If only one half of it is used it becomes a 'half sloper. The general rule Icall the confignration a Super Sloper because the pattern resembles that of the well. Avoid placing the lower side of sloper at heights of less than 10 feet (3meters) above ground. The article includes practical tips on the construction and installation of the antenna to ensure optimal performance. What In this video, we explore the chameleon 4010 sloper antenna as a potential solution for your portable ham radio needs. Consider the sloper an unfolded inverted V. L’atmosfera è relativamente quietaRead More On 160M our antenna is a quarterwave fed against poor earth, which in turn raises the feedpoint impedance somewhat. Shop Wire Antennas at DX Engineering. SLOPER 80/160 with only 17,50 mt. Easy to install and tune. Oct 20, 2025 · Find EAntenna Sloper Antennas and get Free Shipping on Most Orders Over $99 at DX Engineering! The EAntenna Slopers are shortened with a coil to reduce the antenna length, but behave like quarter-wave sloper antennas. Includes 35 ft of wire (terminated with porcelain end insulator), grounding braid approx 12" with ring terminal. It is therefore widely used by radio amateurs with limited space. Sloper design provides outstanding reception of low-angle DX signals. 514 feet (9. The western sloper had a somewhat narrower easterly null, most effective between 60 and 120 degrees. We'll discuss its design, benefits, an DX-SWL - SWL Broadcast Sloper - Covers the 13, 16, 19, 21, 25, 31, 41, 49, 60, 90, and 120M short-wave bands plus the AM broadcast band. 6 MHz) and the 120, 90, 60, 49, 41, 31, 25, 21, 19, 16 and 13 Our best selling antenna is our 160 meter, ruggedized "half-sloper". The sloper differs in having a necessary upper support point in proximity to an existing structure. The classic sloper antenna is a top-fed 1/4 wave vertical antenna sloping down and away from a tower. Thanks to all who came by and saw us in May 11, 2022 · Introduction Thank you for purchasing and using the Chameleon AntennaTM Lightweight End Fed Half Wave Sloper (CHA LEFS 8010). 5 to 1. Aloha es 73 de Russ (KH6JRM). To help make a decision about using a sloped dipole "Sloper", you need to know The Sloper Another modification to a simple half-wavelength dipole is the sloper where the dipole is erected at a steep angle, often 45 degrees. A Two-Band Half-Sloper Antenna QST June 1980, pp. They work well. Sloper, make sure overall height of antenna is as far as possible from ground. 1 meters = 124. Dipoles compared: Horizontal vs Inverted-V vs 'Sloper'. It offers a somewhat directional pattern with a lower take-off angle, making it effective for DX on HF bands, and is often easier to install than a horizontal dipole. According to the ARRL Antenna Book 18th Addition there are two sloper design definitions a sloping λ/2 dipole is known among radio amateurs as a 'full sloper' or just 'sloper. Like any Sloper antenna, it is directional with a low angle for excellent long range DX results. Slopers require two supports, one Feb 24, 2025 · See how a 20 meter end-fed half-wave vertical antenna can dramatically improve low-angle radiation and DX performance from small lots and stealth locations. Performance vs practicality plus other considerations when fitting a dipole in limited space. 8. 6 meters) or higher) while dipoles require two elevated Half Delta Loop Antenna 1. We have been building these antennas for over 19 years. DX-A - 160-80-40 Meter 1/4-wave Twin Sloper - A top low frequency DX antenna. a presentation of a hf multi band sloper antenna this antenna project is for low band operations and antenna presented in this article works on 40 80 and 160 meters band article is in polish . Therefore, here we are: a 80/160 mt sloper with only 17,50 of wire with linear load and capacitive hat. This antenna can be angled anywhere in a range from 0° as a Half-Wave Vertical Dipole, to 90° as a flat-top Horizontal Dipole. 4NEC2 Antenna Model: Here The pattern of antenna radiation is dependant on Wavelength Height, the distance in wavelengths above the ground. Listed under the Antennas/Sloper category that is about Antenna systems for radio communication with directional properties. com), a model by VE3KL and the spherical geometry technique used for the Bent Dipoles "Elevated Radials" study. A Reduced-Size Half Sloper For 160 Meters in Italian By Bob Kirk, WD8DSB English version Un Half- sloper per i 160 m di dimensioni ridotte. ALPHA-DELTA DX-B Single wire Quarter Wave Sloper 160M 80M 40M 30M 60 Feet Long 1KW HRO Discount Price: $154. It explains the concept of a sloper antenna and how it differs from a slooper. Often, these are deployed as a sloper. With WCBS-880 quite strong on a conventional ferrite or air-core loop, Canary Islands and UK stations on 882 kHz Jun 7, 2021 · Der Beitrag hatte mich ermutigt einen Sloper zu testen, nachdem die zuvor installierte inverted L-Antenne nicht wirklich gute Ergebnisse brachte. Sloper (or slant) antennas require only one elevated support (25 feet (7. Most often slopers are used on the low bands, 160 through 40 meters. No space for a ham radio HF antenna? Here are some HF antennas that require less space, while remaining very effective. DX-B - 1/4-wave DX sloper - A single wire with high performance on 160, 80, 40 & 30 This shortened 160m sloper is an ideal compromise antenna to get you active on Top Band. Installation Instructions In the 1970's I set up a sloper at my parents' house in West Yarmouth, MA with the specific idea of reducing New York City stations. Introduction Thank you for purchasing and using the Chameleon AntennaTM Lightweight End Fed Half Wave Sloper (CHA LEFS). [] Due to the low-angle radiation pattern this antenna has, it performs well for long distance contacts (QSOs This is a common antenna configuration in the world of amateur radio referred to as a "Sloper" or more accurately, "Half-Wave Sloper". Super Slopers pro-vide gain in the direction from the tall to the short pole. 5 Feet) (1 meter = 39. Free Shipping - Alpha Delta Parallel Wire Sloper Antennas with qualifying orders of $99. Installs like an Inverted-V with ground return accomplished thru tower or down-lead. Shortened Lambda/4 sloper antenna using the mast as a reflector. Using a wide range antenna tuner is effective to "broaden out" the bandwidth. Overall length is 15 inches, schedule 40 pvc for extra durability. [4] The angle of the slope is DX-SWL - SWL Broadcast Sloper - Covers the 13, 16, 19, 21, 25, 31, 41, 49, 60, 90, and 120M short-wave bands plus the AM broadcast band. These SWL Sloper Antennas are designed to cover: Medium Wave (0. Installation Instructions Jul 21, 2011 · I had told my neighbours that it was only an experiment. The antenna worked very well. Chameleon Antenna Lightweight 8010 End Fed Halfwave Sloper Chameleon Antenna Lightweight 8010 End Fed Halfwave Sloper is an eight-band HF antenna for use on the 80 - 10 meter Amateur Radio bands without the need for a tuner and 60 meters is possible with the help of an antenna tuner. Includes 70 ft of wire (terminated with porcelain end insulator), grounding braid approx 12" with ring terminal. Like slopers, Super. Do you want decent performance on 80 meters? If The Sloper Antenna is a slanted Dipole antenna. Learn more about building and optimizing these antennas. ' Full/Half-Sloper Antenna Calculator Remove any protective packing material from the coils before use. For limited space applications, the Model DIX-B single wire sloper takes less space but has 2 inductors, so has a more narrow bandwidth. Free Shipping - Alpha Delta HF SWL Sloper Antennas with qualifying orders of $99. Category: Antennas: HF: Verticals; Wire; Loop eMail Subscription Registered users are allowed to subscribe to specific review topics and receive eMail notifications when new reviews are posted. At least of the wavelength of feedline must be at 90° angle to the antenna. They operate as quarter wave slopers, which means that the wires are one quarter wavelength long; or multiples of a quarter-wave on each frequency band. Its’ minimalistic design and lightweight components, shown in plate (1), are intended for the serious backpacker and outdoor DX-A - 160-80-40 Meter 1/4-wave Twin Sloper - A top low frequency DX antenna. 0-19MHz in either the morning or evening and evening NVIS propagation on 7. This shortened 80m sloper is an ideal compromise antenna to get you active on 80m & 75m. Directivity is away from the supporting metal mast or Introducing the Chameleon Antenna Lightweight End Fed Sloper (LEFS) 4010: a versatile HF antenna designed to enhance your outdoor radio experiences. One leg is 67 ft. knowtI s~oper, but it is greatly en-hanced (see FIgure 2). I published on CQ magazine in July 1998 ? This shortened 80m sloper is an ideal compromise antenna to get you active on 80m. Find EAntenna Sloper Antennas 160 meters Wire Antenna Band and get Free Shipping on Most Orders Over $99 at DX Engineering! The EAntenna Slopers are shortened with a coil to reduce the antenna length, but behave like quarter-wave sloper antennas. Die Antenne ist seh Introducing the CHA LZ Sloper Wire, a high-performance Lazy Sloper antenna designed to enhance your CHA SS17 vertical antenna system. com Antenna manufacturing & design Antennas for limited spaces Home of the rugged 160 Meter "sloper" antenna! Want on 160M but cramped for antenna space? We have your solution: If you have 40-50' height and about 50' horizontal space we have a great antenna to get you on the air. Alpha Delta HF SWL Sloper Antennas are a very unique and very effective adaptation of existing antenna theory. 9 MHz Full-Wave Loop Antenna Off-Center-Fed Full-Wave Doublet Antenna Terminated Sloper Antenna Double Extended Zepp Antenna 40m - 80m - 160m Short Dipole Antenna 10m -160m Multiband “Z” Antenna To answer the question, a wire antenna model was developed* based on data reported by Danny Horvat, NE4XA and E73m (MyAntennas. 95* Buy It *After Coupons & Promotions. This completes the installation of your new Alpha Delta shortwave sloper antenna. The yagi plays the role of a ground plane, while the tower plays the double role of reflector and grounding "rod". Broadcasters from that area form the biggest obstacle to foreign medium-wave DXing from the southern side of Cape Cod. 28 feet) The LA1IC COAX-FED SLOPING LONGWIRE Primarily designed Jun 2, 2019 · Sloper and half sloper antennas The typical suburban DX oriented ham is likely to have, as a minimum, a tower, rotator and 3 element trapped yagi for 10, 15 and 20 metres. , the other 55 ft. What are the pros and cons of these? Connect with my channel by subscribing and commenting. The CHA LEFS 8010 is an eight band, no-tuner, High Frequency (HF) antenna for use on the 80, 40, 30, 20, 17, 15, 12, and 10 meter Amateur Radio Service (ham) bands. We offer a 75/80M version as well. They don't make much sense on the higher bands where a regular dipole or more complex antenna is Nov 22, 2025 · Explore a variety of sloper antennas for amateur radio, including 160-meter systems, half-sloper designs, and antenna switches. 1:1-Balun Sloping Dipole Antenna, Antennas for Ham Radio. Going from one antenna to the other produced different dominants on several channels, for instance WJTO-ME-730 and WGAN-ME-560 on the east sloper, WACE-MA-730 and WHYN-MA-560 on the west sloper. Its’ minimalistic design and lightweight components, shown in plate (1), are intended for the serious Nov 22, 2025 · A Half Slooper for 160 meters The article provides detailed instructions on how to build a half-sloper antenna for the 160 meters band. They will likely want at least 40 and 80 metres which, if they are not seriously into DXing, can be an inverted-vee, with the tower being the high support. Do you want decent performance on 80 meters? If you have 25' of height you can be on top band with this fantastic End-Fed Antenna Configurations Sloper Configuration Deployment as a Sloper configuration will DX into the greyline on 7. Directivity is away from the supporting metal mast or tower, toward the lower end Aug 8, 2021 · With a 30' peak, the middle portion of a V will average well below 30'. Free Shipping - EAntenna Sloper Antennas with qualifying orders of $99. So 29' is likely higher than well below 30'. [1] [2] Advantages While horizontal dipoles required two large support masts, this antenna type only needs one large mast. Combines the tremendous DX firepower of the 1/4-wave sloper with the wide bandwidth of the 1/2-wave dipole. Mar 6, 2023 · Ham Radio: Sloper Antenna--positives & negativesLots of folks you are into portable work, POTA, SOTA use end fed half waves, with 40 metres a very popular band. 9 meters = 9. Do you remember the antenna with linear load for 30 and 40 mt. Learn how sloper, flat-top, and inverted-L wire antennas work, their radiation behavior, matching methods, and best use cases for HF bands. Overall length is 60 ft. Hassle free! Wide bandwidth Operate more than half the band without a tuner! Where permits, the Model DX-A Twin Sloper has a wider bandwidth since there is only one inductor in the antenna. 36-38 A quick review of the theoretical design, the construction, testing and operation of a 160-meter sloper on a 190 foot tower. Multi-band 2KW transmit capability with an appropriate antenna tuner. Nevertheless, even on this band the SLOPING INVERTED L antenna will get you on the air! Jan 17, 2025 · We dive into the topic of dipole antennas, and how to build one that'll provide the best operating performance for your ham radio station. Do you want decent performance on 160 meters? If yo Sep 15, 2024 · I've seen it mentioned in several posts that an EFWH sloper antenna should be 45-60 degrees, but I'm not sure if that's measured at the high end or low end? Or does it depend on where the feedpoint is located? For example my sloper is 37 degrees upward from the ground at the low end where my In diesem Video zeige ich, wie Sie eine Dipol/Sloper-Antenne bauen, die sich samt Zuleitung in einer kleinen DVD-Spindel verstauen lässt. Jan 29, 2017 · UA9BA. The 160-Meter Sloper System at K3LR QST August 1994, pp. The LA1IC COAX-FED SLOPING LONGWIRE by LA1IC Russian Translation Here Simple, inexpensive and easy to erect, this antenna provides directivity, low angle radiation and a small gain on a number of HF bands. The Sloping Dipole antenna, also known as a Sloper, is a half-wave dipole with one end elevated and the other end close to the ground or fed near the ground. Oct 18, 2025 · visitors and counting Cablehelp. Reviews For: Alpha Delta DX-SWL/SWL-S SWL Slopers (MW-30 MHz) Category: Antennas: HF: Verticals; Wire; Loop eMail Subscription Registered users are allowed to subscribe to specific review topics and receive eMail notifications when new reviews are posted. When I mention radios plugged to a sloper , this is a sloper antenna Find EAntenna Sloper Antennas 80 meters Wire Antenna Band and get Free Shipping on Most Orders Over $99 at DX Engineering! The EAntenna Slopers are shortened with a coil to reduce the antenna length, but behave like quarter-wave sloper antennas. Lots of folks you are into portable work, POTA, SOTA use end fed half waves, with 40 metres a very popular band. [3] In particular for low frequencies this antenna form is interesting.