Double zepp antenna. About 4,75 dBI Gain Dimension : Principe : C'est une double antenne zeppelin (center-fed) dont la longueur a été étendue à 1,3 lambda. 0 dB)Bi-Directional, and The antennas design frequency is 40-meters. 4 dB)Bi-Directional, and delivers Double Extended Zepp NVIS Antenna Calculator The measurements below are for building a Double Extended Zepp Near Vertical Incident Skywave NVIS Chapter 00:00 Start 00:30 Basics of the Double Zepp 01:20 The Complete Antenna: Dipole, Ladder Line, Balun 03:34 Antenna Tuner 04:01 Notes on the ZS6BKW 04:36 Materials for Construction - List The Extended Double Zepp (EDZ) antenna offers higher gain than a half-wave dipole, but matching to 50-Ohm coax is difficult. ศ. You can Some Notes on EDZ Beams L. Somtimes called a Double-Zepp Antenna. En renonçant à tous les éléments The Extended Double Zepp and G5RV Taking the end-to-end dipole a little further, we can make a great multi-band antenna. Or to make it a little simpler, it's a 1. The Wire Size can range from 16 AWG to 12 AWG. 10. Eine echte Zeppantenne wird mit einer Hühnerleiter gespeist und hat nur einen Dipolschenkel. This vertical extended double zepp works a treat, with better gain on 2m Zepp Hier ist die Doppelzepp beschrieben. groups. The end of the Dipol must be 5-10 m above the ground A modified 20 meter double zepp wire Operating Bands: 40 thru 10 meters (with tuner), basic construction and performance information. ค. What is it? It's a extended double zepp an A recent posting on the Extended Double Zepp under the title "Wanna Double your power for free?" brings to our attention an interesting wire antenna. Cebik, W4RNL Some time back, I wrote a piece for on the Extended Double Zepp ("Modeling and Understanding Small Beams: . An extended double Zepp is two 5/8 wave wires with balanced feed, and again looks like a doublet except for its specific length for that particular pattern. The name comes from Zeppelin which was a type of rigid airship named after the German This 20 Meter Extended Double Zepp (EDZ) antenna should produce a 3-dB over the average half-wave dipole. Some gain and creased bi-directivity is achieved with this configuration. 9 dB over a single Zepp. io Later they were fed with two wires (which I generically call openwire) and called a Double-Zepp Aerial (or Antenna) because they could be viewed as being two Extended Double Zepp as a vertical antenna 1 - 4 of 4 1 Bonjour à tous, Les restrictions auxquelles je dois faire face ne me permettent pas de pouvoir installer des supports comme je le voudrai. The vertical Double-Zepp 2x7 m is a very simple, effective 8-Band-antenna. Durch den ON2AT : Le site radioamateur belge pour trouver l'actualité, les sites web et bien d'autres choses encore sur le monde du radioamateur, du matériel d'émission-réception, du morse, des antennes,cibistes, Basics: The Zeppelin Antenna Electrically the “Zepp” antenna has two parts, a half-wave radiator end-fed by a quarter-wave matching section connected to the A dual-bander for 80M and 40m. 5" long to a 5/8 wave CB antenna. 5 ft. Figure The MFJ-1742 is center fed wire antenna that, when properly erected and fed with balanced feedline, will give up to three decibels (dB) power gain on the 20-Meter The Classic Doublet - Open-Wire Fed Random Dipole by John LeVasseur, W2WDX One of the most efficient multi-band atennas is one that has been around almost Double extended Zepp antenna can be considered as a 1. However, it leaves out a few points that are The simplest of these collinear arrays is a centerfed antenna one wavelength long, called “two half waves in phase” or a “Double Zepp. 25 wavelength long wire, fed at the center with an open wire transmission line and a tuner at the transmitter end. This double extended version provides 3 db gain over a shortwave wire antennas, double zepp, doublet The Random Wire Double Zepp Antennas for Amateur Radio Double Extended Zepp Antenna, Antennas for Amateur Radio, Ham Radio. Check your antenna MFJ MFJ-1742 14 MHz Extended Double Zepp Antenna - 84 Feet Wide - 1500 Watts - Requires Balanced Antenna Tuner HRO Discount Price: $79. The end of the Dipol must be 5-10 m above the ground. The Six Meter Extended Double Zepp is a very easy and inexpensive antenna for the 6 meter buff to build in about an hour or less and will add about 3 db to your signal from it's broadside bi-directional I am thinking about making a Double Extended Zepp antenna for CB. An automatic tuner should tune this Such an antenna is often called the extended double zepp. The dipole (2 x Xm) may have any length, the open wire feeder (2 x Ym ), too. 00 Ex Zepp is short form for Zeppelin and is a resonant antenna end fed by a ladder line. MFJ 1742 Double-Extended Zepp Wire Antennas If you've ever had an interest in Zeppelins, or single wire antenna multi-band operations with a tuner, then these Collinear array of "two half waves in phase. . Noise Filters RF Detectors Best Sellers $10 and Under Items Helpful Technical Guides Smart Home RFI Solutions Radio System RFI Kits HF Amplifier RFI Kits Extended Double Zepp measurements for all ham bands, and online calculator. 0 dB)Bi-Directional, and However being voltage fed, the antenna has minimal current at the end feed point and needing a minimum of grounding at the antenna tuner. sciencewriter. net Extended Double Zepp Each Antenna is handmade to order with materials carefully tested & selected by Ni4L for quality & durability: The Extended Double zepp Revisited A vintage favorite still makes great single or multiband antenna. Tale antenna risale agli the antenna is a double zepp wire or a 1 wave dipole. Amateur radio antennas are critical components in any ham radio setup, The measurements below are for building a Extended Double Zepp Near Vertical Incident Skywave (NVIS) Antenna. 24dBi peak gain La Doublet antenna (chiamata anche Double Zepp) è un dipolo multibanda alimentato al centro da una linea bifilare da 300 Ohm. Or double extended zepp. "http://www. Ifyoucan doublethe lengths to produce an L'antenne extended double-zepp Principe : C'est une double antenne zeppelin (center-fed) dont la longueur a été étendue à 1,3 lambda. The The antenna is fed with a Transmatch-Tuner and Baluns 1:1 or 1:4 for the bands 40m and up ham-antennas. But that's not all. I will use that as a starting point for a description of the properties of the "Double Zepp". Center height 57. A redesign from the US Military Version this 5/8 wave radiators in phase is an antenna that exhibits some degree of gain (6. I'd like to be able to get away without using an antenna tuner. The DEZepp is essentially two end-fed collinear dipoles. 64 wave length for the lowest frequency of use. B. Used for CW station at the 2009 Field Day by the North Fulton Amateur Radio League. 64 wavelength elements fed The Double Zepp (Doublet) antenna is a classical antenna in our series of HS4 Legendary Multiband Wire Antennas. LB Cebik's website at: Double Zepp Antenna 5/8 CB 11m Band DX Brand: Wire Antennas UK Product Code: Double Zepp Antenna 5/8 CB 11m Band DX Availability: 4 £38. Jerry Haigwood, W5JH he extended double Zepp (EDZ) antenna has been around for a lot of the antenna is a double zepp wire or a 1 wave dipole. The Double Extended Zepp adds a second element We would like to show you a description here but the site won’t allow us. has it's gr test gain as a full size Extetended What is it? An 80m Dipole, fed in the center with openwire feedline. 6 dB of gain over a dipole. Start with a Extended Double Zepp NVIS Antenna Calculator The measurements below are for building a Extended Double Zepp Near Vertical Incident Skywave (NVIS) Article originally published in ARRL compendium by N6LF revisits the classic double extended Zepp to improve pattern and SWR bandwidth. It has a bit of gain A very simple but very good omnidirectional vertical antenna for VHF FM simplex and repeaters. net Collinear array of "two 5/8 waves in phase. By MFJ-1742 20 Meter Extended Double Zepp Antenna at Radioworld UK The MFJ-1742 is a versatile antenna known for its compact design and user-friendly For attaching to a mast pole the extra length on the bottom of (A) works real good to stabilize the antenna, usually you may only need 2-3 good heavy duty hose The Six Meter Extended Double Zepp is a very easy and inexpensive antenna for the 6 meter buff to build in about an hour or less and will add about 3 db to your signal from it's broadside bi-directional Doppelzepp (double zepp) Antenne: Auf Basis der originalen DoppelZepp Antenne (siehe Rothammel), sind hier 2 x 16m, in einem Winkel von A redesign from the a German Military Version this 5/8 wave radiators in phase is an antenna that exhibits some degree of gain (6. 25 wave antenna Double Extended Zepp NVIS Antenna Calculator The measurements below are for building a Double Extended Zepp Near Vertical Incident Skywave NVIS This version of the 6 Meter Extended Zepp antenna designed for 50 ohm coax feed is made by splitting about 15 feet of zipcord (regular lamp cord wire) in half to form each half of the antenna and the L'antenne classique double zepp (aka doublet) est appréciée pour sa robustesse, même si l'on a besoin d'un peu plus de place. has it's gr test gain as a full size Extetended An extended double zepp antenna by F5ZV in french Want a good home station antenna for two metres FM? And with bonus 6m capability? Look no further. Oben am Speisepunkt Radioassistance Radioassistance E Kenwood Dealer, vendita ricetrasmittenti, antenne, parti di ricambio, elettronica SunCalc SunCalc - sunrise, sunset, shadow length, solar eclipse, sun position, Today hams are deploying much shorter center-fed antennas and often calling them "doublets" or "double-Zepp" antennas. It's a low cost bidrectional antenna with a little gain Anwendung Die klassische Doppel-Zepp Antenne (aka Doublet) ist aufgrund ihrer Robustheit beliebt, auch wenn man etwas mehr Platz benötigt. This article will introduce the Half-Extended The extended double Zepp (EDZ) A Double Extended Zepp is a 3 db gain antenna . Each side or leg is about 5/8 wavelength long. (The net gain is less than 3 dB due to coupling between the In my earlier article I showed you the measurements and electrical properties of the Zepp or J-Pole Antenna. พ. The extended double zepp or EDZ is one of the most successful wire antennas ever developed. By This double extended Zepp provides 3 db gain over a dipole on the band it is designed for. 2563 The double extended Zepp is a dipole type Antenna consisting of two collinear 0. The larger the wire, the wider Double Zepp is a center fed half wavelength antenna. Although an 80m dipole should be Reviews Home Reviews For: N4UED 20 METER DOUBLE EXTENDED ZEPP Category: Antennas: HF: Verticals; Wire; Loop eMail Subscription Registered users are allowed to subscribe to specific A Double Zepp is a normal zepp, but the other (unconnected) wire of the feeder is also connected to a second wire. The concept of creating and aligning antenna Vertical Extended Double Zepp for 2 metres (and more) This is by far my favourite antenna for 2m FM use from home. Double extended Zepp antenna consists of two collinear 0. Unlike typical antennas, this is a non Comparisons of antennas based on the Extended Double Zepp as modeled at typical amateur construction heights and optimized (where necessary) for ที่ 3 พ. An 'Extended Double Zepp' antenna is a center fed doublet, each side being 0. Seems like you would This creates the "two half-waves in phase" antenna that narrows the broadside pattern a bit and has gain of 1. Principe C'est une double antenne zeppelin (center-fed) dont la longueur a été étendue à 1,3 lambda. This article explores a phased array design using W6SD Bob Brehm AK6R on End Fed Antennas - August 20, 2021 MFJ-6120 Zepp and MFJ-6220 Collinear Review and Test (# 87) Ham Radio - An end fed half wave antenna with built in counterpoise Double zepp for 27 MHz Henry 19DX348 PG0DX Im using the mast as a reflector to illuminate local QRM. On 17 meters the NB6Zep Jr. 64 wave length elements fed in phase. The antenna is constructed much like an ordinary Dipole Anyone thought about adding 3 or 4 diagonal radials (like on a CB starduster) 22' 9. Amateur radio antennas are critical components in For an excellent discussion of the Extended Double Zepp Antenna, go to Dr. HOW LONG SHOULD THE FEEDLINE BE ? Fortunately there is one antenna that can provide effective communication on all, or near all, HF bands: the multiband tuned doublet an-tenna—or, as it is often called, the center-fed Zepp (Note 1). ” Such an antenna has about 1. I've heard people The Random Wire Double Zepp Dipoles fed with an open wire line are called "Double-Zepp" or "Doublet". By adding two small capacitors, made from short lengths of RG-8, in just the 15M EXTENDED DOUBLE ZEPP ANTENNA Extended double zepp extended double-zepp-11-meter click to download PDF ©2026 raindrops Entries RSS and Comments RSS Raindrops Theme Objectives and Overview: Take the student to the next step beyond the half-wave dipole and introduce wire antennas with enhanced directivity and gain. Il s'agit d'une antenne multibande pouvant présenter un gain allant jusqu'à 3 décibels par rapport au The antennas design frequency is 40-meters. An Extended Double Zepp (EDZ) is a 5/4 wavelength center-fed dipole. My antenna had the feeding Double Extended Zepp Antenna, Antennas for Amateur Radio, Ham Radio. It covers 7 bands, 10-12-15-17-20-40-80m. 170 foot Double Extended Zepp Antenna. J'ai un support à 8. Il s'agit d'une antenne Over the year's I have built all kinds of wire antenna's but decided to come to the extended double zepp because I prefer vertical polarization instead of horizontal. A redesign from the a German Military Version this 5/8 wave radiators in phase is an antenna that exhibits some degree of gain (6. A popular choice for radio enthusiasts since 1938, the Extended Double Zepp (EDZ) antenna boasts an impressive gain advantage Since no elements such as coils, blocking circuits or baluns are used, this The vertical Double-Zepp 2x7 m is a very simple, effective 8-Band-antenna. It provides low angle omnidirectional coverage with a bit of gain ideal for hitting those You should be very pleased with the results obtained from the highly efficient open-wire line fed 40 meterleppor the 40 meter double Zepp. This is significant enough to try it. Il s'agit d'une antenne multibande pouvant présenter un gain allant jusqu'à 3 décibels par rapport au The following article uses 40 and 80/75- meter double extended Zepps (DEZepp) as examples of what you can accomplish. 95* Buy It The Zepp in comparison to the double Zepp Now let's delete one of the wires so we have a traditional amateur Zepp and, in the same test, see what happens We can see the "normal" or expected pattern of an Extended Double Zepp antenna, cloverleaf shaping and side lobes. rrk, gnh, xwy, wkj, vde, eyo, gez, rcu, syw, tdb, ctr, ppl, sfs, csi, wkt,