Hb9cv calculator. The gain of a 2element is relative low.
Hb9cv calculator This gives additional 4dBi antenna gain, it helps to make the receiver more sensitive & forward directional. Dec 13, 2012 · Онлайн калькулятор спиральной антенны с круговой поляризацией. Discover recipes, home ideas, style inspiration and other ideas to try. 27. Thanks to its great parameters this antenna has been used since 1954. 2 miles. , the publisher behind many iOS app (Calculate 401k Loan ,HB9CV Antenna Calculator ,Compare Mortgages ,Morse Training Game), brings HB9CV Antenna Calculator with a number of new features along with the usual bug fixes. Frequency A Transmission line calculator, Kevin Schmidt Antenna calculator Antenna HB9CV calculator Antenna Trap Design BJT Cascode Amplifier Calculator Cable Characterization Calculator Calcolo induttanza di un avvolgimento singolo Calcolo dell'induttanza per toroidi AMIDON Coil Physical Properties Feb 23, 2018 · Rhombic Antennas V Beam And Inverted Antenna Calculator Antenna Beamwidth Coverage Calculator Emc Directory Online Calculator Hb9cv Antenna In3eci Italian Amateur Radio Station Asymmetric Turnstile Antenna Portable 2 Element Hf Wire Beam Dd5lp G8glm Vk2ji Blog the hb9cv antenna calculator aids amateur radio enthusiasts in designing antennas for vhf and uhf bands by inputting the working frequency users can obtain crucial dimensions like dipole lengths and distances Calculate the dimensions for your HB9CV antenna with this handy tool. Also it has the same sort of phasing problems as the full-wave radiator. HB9CV Calculator. Calculate the dimensions for your HB9CV antenna with this handy tool. Quickly find the dimensions of a HB9CV Antenna with this free online engineering calculator. 000 MhzAnt. It is astonishing that this antenna is not well known in many countries Description - HB9CV Antenna Calculator Dr Falkenberg Technology Consulting Inc. Ils en ont parlé : F8APF Les radioamateurs du Doubs N’hésitez à pas lire ou à relire les explications dans l’article mentionné ci-dessus concernant les fichiers DLL fournis dans l’archive The designer of the Swiss Quad, Rudolf Baumgartner, HB9CV, accommodated this increased size by adding to both the horizontal and vertical dimensions. You may need this RF converters and calculators to find your solution when designing an RF amplifier, build a coaxial cable etc. Masts and Mounts, Ant. 7. Aug 7, 2020 · Legendárna smerová anténa s dvoma aktívnymi prvkami napájanými s fázovým posunom nesie značku jej tvorcu, HB9CV. Signals were good all round, although it seems the best signal Calculating Phase Line Length -famoso proverbio del maestro Manolo- La popular antena HB9CV está formada por dos dipolos alimentados con una diferencia de fase de 135 grados. Perfect for vacation. conventional Yagi but you get the same gain and caracteristics How does a CB radio rotatable antenna with phased elements based on the orignal design concept of hb9cv antennas is considered to have an higher gain than standard quad antennas the swiss quad antenna does not need any spreader or boom . V teoretické části popisuje, co je to anténa, jak HB9CV anténa funguje, jaké jsou její hlavní výhody a nevýhody. ВНИМАНИЕ! Антенна имеет круговую поляризацию, но может работать как с горизонтально, так и с ANTENA HB9CV Si la realización de una antena HB9CV le interesa, usted encuentra abajo el esquema (plano), y los calculos para realizarla La antena puede ser calculada para la frecuencia de trabajo que ustedes quieran Evidentemente el diámetro de los elementos (EP) estará de acuerdo de la longitud de los elementos. You just need to enter the frequency. Auch im Amateurfunk gibt es das immer wieder mal. On-line you may find calculators for the dimensions. The HB9CV is a fullfeeded directional antenna with 2 active elements. I had the ID-51 in one hand and the antenna in the other, holding it out the window. Die älteren OMs kennen noch den DJ6HP 001, den wohl erste RTTY-Demodulator ohne Spulen. Ideal for you! HB9CV-DUAL: Lightweight dual-band antenna (2m and 70cm) with detachable element tips. Free Online Engineering Calculator to quickly find the Dimensions of a HB9CV Antenna. Couldn't find no antenna calculators for the HB9CV antenna anywhere on the web, so decided to make one in Microsoft Excel. In Europe, some writers refer to almost any 2-element horizontal phased array as an HB9CV, while the English-speaking world tends to refer to the ZL- Special to mark the genre of antenna. The antenna is broadband, has a broad (100 degrees) front lobe, a good front-to-back ratio and a useful amount of forward gain and presents a decent near 50 ohm match at resonance. The phasing line is fixed with 5mm distance to the boom. Whenever you have an open field to place an HF vertical, you should consider the 5/8 Free Online Engineering Calculator to quickly find the Dimensions of a HB9CV Antenna. Les courants et tensions alternatifs produits dans l’antenne par l’émetteur font apparaître autour de celle-ci un champ électromagnétique, alternatif, dont l Calculate the dimensions for your HB9CV antenna with this handy tool. Antenna Vhf Hb9cvfreq 141-145mhzdeveloped by Swiss radio amateur Rudolf Baumgartner HB9CV in the 1950s. Building and experimenting with antennas can be an interesting part of the radio hobby. K = Factor de velocidad de los cables coaxiales de ________________________________________________________ HB9CV Antenna Calculator Free Online Engineering Calculator to quickly find the Dimensions of a HB9CV Antenna. Cebik, W4RNL The HB9CV version of the 2-element phased array appeared in 1961. 1 day ago · Explore a variety of online antenna calculators for designing and calculating antenna dimensions. 位相差給電アンテナは2つ以上のアンテナエレメントを少し離して前後に配置して、同時に位相差を付けて給電した高利得のアンテナのことです。簡単な構造でも比較的利得の大きいアンテナです。HB9CVやZLスペシャルやスイスクワッドなどがあります。 Free Online Engineering Calculator to quickly find the Dimensions of a HB9CV Antenna. Are there any publications out there discussing this idea? What consequences would this change have in terms of antenna properties, and how would antenna theory explain radiation? Een antenne welke je gek genoeg weinig tegenkomt is de HB9CV , een kleine twee elements beam welke nu eens niet bestaat uit een straler en een reflector , maar uit twee stralers welke 225 graden uit fase zijn en op 1/8 golflengte afstand zijn geplaatst , wat overeen komt met een fase verschil van 45 graden en 180 graden uit fase worden gevoed wat samen ook weer een verschil is van 225 graden Oct 10, 2014 · Lots of radio amateurs build their own verticals. Esta formado por un conductor que discurre paralelo a lo largo del boom y a cada uno de los dipolos. This adds about 3dBd over a pure HB9CV and eliminates the squint of the classical 2-element HB9CV. 802. and so it happened q HB9CV also transposed his feeding system to the 2-element cubical quad, this allowed him grounding the both loops, a genius idea for a unique model, he called it SWISS QUAD. Berechne effektiv die Parameter für diese Richtantennen und optimiere deine Funkverbindungen. B. ) [mm] Comprimento L3 [mm] Comprimento L4 [mm] Comprimento L5 [mm] Diâm. Dec 25, 2024 · 2 Element Yagi HB9CV for the 11 mAnt. The BASIC source code of the computation engine is published as a PDS in MININEC. There is a very useful online antenna calculator I used. On-line compact directional phased array antenna calculator. Anténa má vynikajúci F/B pomer a veľký zisk pri relatívne nenáročnej konštrukcii. 5:1or Nutze unseren Antennen-Rechner für HB9CV-Antennen im Amateurfunk. Dec 25, 2024 · Antenna CB 27 MHz Links → 84 HB9CV 2 elem. Just a happy few build a 5/8 wave vertical antenna. This results in the waves adding in one direction (the 'forward' direction) but cancelling or nulling in the other. Several other items The Body Mass Index (BMI) Calculator can be used to calculate BMI value and corresponding weight status while taking age into consideration. HB9CV-DUAL: Lightweight dual-band antenna (2m and 70cm) with detachable element tips. V praktické části popisuje samotný návrh HB9CV antény v zadaném programu Free Online Engineering Calculator to quickly find the Dimensions of a HB9CV Antenna. It is astonishing that this antenna is not well known in many countries The HB9CV antenna is the most popular directional antenna in the world. Amateur radio operators, military communications, and organizations that rely on long-distance radio communication can all benefit from such calculators. Apr 3, 2024 · Antenna HB9cv for 446 MHzAnt. The other part of a VHF antenna that has to be considered is a suppotying rotatable mast. Listed under the Antennas/HB9CV category that is about HB9CV Antennas. HB9CV also transposed his feeding system to the 2-element cubical quad, this allowed him grounding the both loops, a genius idea for a unique model, he called it SWISS QUAD. HF Propagation Calculator Overview High Frequency (HF) propagation calculators are tools for estimating and forecasting radio wave propagation. Oct 21, 2022 · Online calculation of a corner reflector antenna, design, and matching with the feeder. Incl. 4 GHz. Aug 3, 2022 · The GP is the omnidirectional antenna. Nov 12, 2017 · Homebrew 23cm (1296 MHz) HB9CV yagi antenna for SOTA To get the 23cm amateur started, SG-Lab's 23cm 1296 MHz transverter is supplied with a PCB 23cm 2el HB9CV antenna. ) But sadly, it just isn’t possible to produce more gain on such a boomlength with the described Quickly find the dimensions of a HB9CV Antenna with this free online engineering calculator. Apr 22, 2023 · A friend of mine Gertjan PA3FZB who is crazy about 3. Quad vs. The program use the MININEC-3 engine modified by Alexandre Schewelew, DL1PBD, and are written in C++. All three of us had the same setup holding the antenna out of or near a window. The Beam is a coax-fed version of the ZL-Special. Most of them tend to stick to vertical antennas with a 1/4 or 1/2 wave sizing. Apr 29, 2015 · The HB9CV-Beam is a 2-Element-Yagi with two driven elements and was introduced by Rudolf Baumgartner, HB9CV, in the 1950ies. This beam is very popular for direction finding, packet radio and even as a portable antenna. This beam antenna is a coax-feeded version of the ZL-Special construction by DK7ZB for 2m Compact phased array dimension calculator Back to Antenna Calculator overview. Ideal for you! Aug 21, 2021 · So I shifted gears higher, I installed a RF LNA SMA-67 with 14dB gain (up to 700MHz) and I replaced the stock wire antenna with a HB9CV antenna. The HB9CV version of the antenna and many variants are widely used in Europe Oct 4, 2025 · Наш сайт предназначен для того, чтобы помочь разобраться начинающему радиолюбителю, как сделать домашнюю антенну 4G LTE и Wi-Fi своими руками. da lança Quickly find the dimensions of a HB9CV Antenna with this free online engineering calculator. conventional Yagi but you get the same gain and caracteristics How does a CB radio Nov 19, 2020 · Amateurfunk-Geschichte Joe Taylor, K1JT, in München Die Geschichte der HB9CV-Antenne Immer wieder gibt es Produktnamen, die zu Gattungsbetriffen werden – typische Beispiele sind Tempo oder Tesa. 0 license The HB9CV is over 60 years old and still the most popular directional antenna in the world. Upon entering the wavelength, number of turns, and spacing between coils, this helical antenna design calculator easily calculates the gain, diameter, half power beamwidth, beamwidth first nulls, and effective aperture of the helical antenna. Allerdings kann sich Free Online Engineering Calculator to quickly find the Dimensions of a HB9CV Antenna. The 1 1⁄4 wave antenna has two strikes against it. Free Online Engineering Calculator to quickly find the Dimensions of a HB9CV Antenna. Any azimuth or elevation slice can be highlighted. F = Frecuencia en MHz. The wire diameter affects the shortening factor of both the quarter-wave vertical monopole and the counterpoises in the same way as in the case of a half-wave dipole. Listed under the Antennas/Quad category that is about Quad antennas resources. Find tools for building log periodic, vertical, Yagi, loop, and more antennas. The HB9CV+3 is a fullfeeded directional antenna with 2 active plus 3 passive elements. FREE - EZNEC Pro+ v. May 1, 2011 · I'm testing my homemade HB9CV Antenna on 28MHz. Jul 11, 2024 · The HB9CV antenna calculator aids amateur radio enthusiasts in designing antennas for VHF and UHF bands. The basic 2 element ZL special is related to the HB9CV antenna. 2 separate BNC connectors. Feb 22, 2019 · While not collapsible like your HB9CV design, it does come apart and re-assembles quickly and easily. Ground plane - works well but minor movement affects SWR. This is the operative nature of the HB9CV antenna, some notes on which appear at this site: The HB9CV Phased Array and Gain Comparisons. First, it is an odd multiple of a quarter-wave radiator, so presents a low impedance at the bottom. conventional Yagi but you get the same gain and caracteristics. Contribute to afalkenberg/HB9CV_App development by creating an account on GitHub. Sep 3, 2025 · 2 Elements HB9CV 2 meters band HB9CV antenna Swiss Quad for 10 and 6 meters Based on HB9CV, F6ITV decribes how build a swiss quand antenna for 28 and 50 Mhz. 5dBd Boom length: 50cm Longest element:100cm VSWR: 1. Find and save ideas about hb9cv antenna calculator interface on Pinterest. The two elements yagi-uda is the smallest one among the yagi-uda familly. The HB9CV Phased Array and Gain Comparisons L. Use the "Metric Units" tab for the International System of Units or the "Other Units" tab to convert units into either US or metric units. I am very happy with the performance of the PCB version, having worked Rod VK2TWR in Nimmitabel from Mt Taylor in Canberra, that's a 130 km… Free Online Engineering Calculator to quickly find the Dimensions of a HB9CV Antenna. You may recall I’ve had good results on 23cm 1296 MHz with a Bi-Quad antenna, also known as a double-quad antenna, so I hope to repeat similar results on 13cm 2. The use of gamma match line to the elements has often obscurred the nature of this antenna's feed and phase system. It wants low voltage, high current – just the opposite of what the stub offers. Jul 20, 2024 · Antenne HB9CV 2m 144Mhz A gain of about 15 dB and lateral dips from -30 to -40 dB from the front. Note that the calculator also computes the Ponderal Index in addition to BMI, both of which are discussed below in . The entire antenna therefore forms a rectangle but occupying a space much smaller than a corresponding unbent 2el beam such as the HB9CV. Center: View Antenna display, showing the "wires" making up the model of the five-element beam, with currents and 2D slice superimposed to show orientation. Антенна подключается 50-омным коаксиальным кабелем. This adds about 4 dBd over the pure HB9CV and eliminates the squint of a classical 2-element HB9CV. V praktické části popisuje samotný návrh HB9CV antény v zadaném programu Discover recipes, home ideas, style inspiration and other ideas to try. Esto se consigue mediante un sistema de alimentación que es característico de esta antena. Online HB9CV antenna calculator, accept as input the desired resonating frequency and provides dimensions for spacing and length of each element, including boom and radiator diameter. Learn how to build and install an HB9CV antenna for the 4m band. Tato bakalářská práce se zabývá problematikou HB9CV antén. The picture shows the construction of a 2m- HB9CV-Beam better than a long description. Antennen & Install Anregung vom Steppenwolf 13ST02 aus Cottbus Fotos von meiner zusammenfaltbaren HB9CV Uwe DW1 oder "Drahtwurm" QTH Zwickau HB9CV Antennen Calculator online (DE Übersetzung) Ground Plane Rechner Zoll in Zentimeter Converter setup. На сайте вы найдете большую подборку онлайн калькуляторов для расчета антенн About HB9CV antenna calculator for console (ZL-Special variant) antenna hamradio Readme GPL-3. Here you see the details of the 2m-HB9CV with the point X, the C=15pF and the coax socket. Mar 7, 2016 · The transverter comes with a HB9CV antenna etched on a PCB which works really well. exe Convert for Windows Antennenlängenberechnung Feb 25, 2025 · This calculator allows you to calculate and size the elements of an antenna based on the entered frequency. The HB9CV-Beam is a 2-Element-Yagi with two driven elements and was introduced by Rudolf Baumgartner, HB9CV, in the 1950ies. The HB9CV allows for reasonable gain, a good front / May 6, 2020 · I was wondering whether it would be possible to do the same transformation for directional antannas with either parasitic (Yagi-Uda) or active (HB9CV) directors. HB9CV - works great but needs some spacing from the window. L’antenne HB9CV se caractérise par une directivité avant / arrière de 15 dB environ et des creux latéraux de 30 à 40 dB par rapport à l’avant. Yagi Why go for a quad rather than a yagi 2-Element-DK7ZB-Quad for 5 Bands 10-12-15-17-20m A description was in the German Ham-Magazine "Funkamateur" in Issue 11/2003 2 meter cubical quad antenna W7SIR cubical quad antenna for 146 mhz EI7BA's Amateur CT2HMR Frequência [MHz] λ [mm] Comprimento L1 (Dir. 0 is now available! - FREE Above: Screen shots from several EZNEC displays. Nov 20, 2024 · HB9CV+3 for 431 and 435 MHz The HB9CV+3 is a fullfeeded directional antenna with 2 active plus 3 passive elements. Ideal for ham radio enthusiasts and DIY FM antenna projects. online hb9cv antenna calculator accept as input the desired resonating frequency and provides dimensions for spacing and length of each element including boom and radiator diameter . What is an HB9CV antenna, and what’s the secret to its success? The HB9CV antenna is smaler than a 3el. Transmatch, Antenna_Analysis, Antenna Receiving, Antennas Shortwave, Antenna Switch, Balun, Calculator Dec 4, 2024 · HB9CV 2 elem. ) [mm] Comprimento L2 (Refl. This adds about 3dBd over a pure HB9CV and eliminates the squint of the classical 2-element HB9CV Free Online Engineering Calculator to quickly find the Dimensions of a HB9CV Antenna. This is remarkable, since the 5/8 has the lowest angle of radiation and a little bit more gain (depending on ground conditions). Right: 3D far field pattern, with 2D elevation "slice" highlighted. 000 mhz The HB9CV antenna or Swiss antenna is a fully fed antenna with two elements in the form of two unequal length dipoles HB9CV 2 element yagi for 11 meter The idea is to get an small antenna, this is a great solution. Some manufacturers might claim they have a “special” feed system or have some other fancy way of putting things. The calculator takes into account the wire diameter of the monopole and radials. He asked me if I could build it for him. 73 Ed. c at main · thkummi/hb9cv-calc 3 days ago · Based on HB9CV, F6ITV decribes how build a swiss quand antenna for 28 and 50 Mhz. HB9CV, de Rudolf Baumgartner L’antenne dipôle demi-onde est la forme classique d’un aérien pour ondes de radio. Two folded dipoles are spaced a quaterwave apart and fed a quarter wave out of phase (using a twisted quarter wave feed line). L = longitud física de cada una de las ramas del dipolo. (Like a HB9CV/ZL-special etc. In VHF, the size of a 3-wave half-wave antenna is 1 meter wide by 60 centimeters long against 30 centimeters long for HB9CV 70CM Band Repeater Coaxial Collinear Whip An antenna system for use on the 23CM 1292 MHz HB9CV also transposed his feeding system to the 2-element cubical quad, this allowed him grounding the both loops, a genius idea for a unique model, he called it SWISS QUAD. 由瑞士業餘無線電愛好者 HB9CV 發明的一種特別的定向天線，由於體積小，增益高，所以廣泛為無線電愛好者普遍採用，現在，就介紹在 VHF 及UHF 波段下，製作的 HB9CV 天線之詳情。 MMANA-GAL is an antenna-analyzing tool based on the moment method, which was introduced in MININEC version 3. The HB9CV+3 is a fullfeeded directional antenna with 2 active plus 5 passive elements. Both elements are driven with the coax attached at the front element There are commercial versions available if you prefer not to make your own. I have a “caravan mast” for my 6m Moxon. the YAESU FT-920 & G250 (Rotator). The gain of a 2element is relative low. Online calculator for quick calculations, along with a large collection of calculators on math, finance, fitness, and more, each with in-depth information. Since gain comes from boomlength. Improve your ham radio setup with this efficient and compact antenna design. a page by 9a7pjt dedicated to hb9cv yagi antennas includes link to the hb9cv calculator program and some interesting plans. Transmatch, Antenna_Analysis, Antenna Receiving, Antennas Shortwave, Antenna Switch, Balun, Calculator Antenna Quickly find the dimensions of a HB9CV Antenna with this free online engineering calculator. I had to change The original design because it probably was designed for the 10m Amateure band. May 7, 2025 · Cable Loss Calculators. Dans le même veine que le logiciel d’aide aux calculs de cotes pour antenne Hélice, il s’agit cette fois de la très populaire antenne HB9CV. I first spoke to David G7UVW at 2. HB9CV Zde nabízím možnost výpočtu oblíbené dvouprvkové směrové antény HB9CV pro jakékoliv pásmo. En VHF, l’envergure d’une antenne 3 éléments en demi-onde fait 1 mètre de large par 60 centimètres de long contre 30 centimètres de long pour la HB9CV. 5m broadcast “amateur” stations recently came up with an article about a HB9CV design for 3. Dec 5, 2024 · Spacing is the Distance from the Boom to the Gamma-Match Feeding the Antenna can be done at the Director or at the Reflector. Considérée comme élément résonnant, elle peut être mise en oscillation sur sa fréquence propre. Weight: approximately 700gr. The 2-Element-HB9CV-Beam The HB9CV-Beam is a 2-Element-Yagi with two driven elements and was introduced by Rudolf Baumgartner, HB9CV in the 1950ies. One might call this array "HB9CV-Yagi". Dopodrobna rozebírá teoretickou stránku funkčnosti HB9CV antény, návrh, stavbu a ověření správnosti HB9CV antény. How to make a HB9CV How to make an HB9CV two element antenna for VHF (or at least, how G8TTI made one!) The HB9CV is a well known two element antenna of a directional beam type with a forward gain of 4 to 5 dBd. The design is optimized in the HFSS simulator. HB9CV antenna calculator for console (ZL-Special variant) - hb9cv-calc/hb9cv-calc. Oct 10, 2015 · The transverter comes with a HB9CV antenna etched on a PCB which works really well. Transmatch, Antenna_Analysis, Antenna Receiving, Antennas Shortwave, Antenna Switch, Balun, Calculator Antenna Antenna HB9CV VHF/UHF Description: The J-pole antenna is a simple and efficient design, commonly used for amateur radio and short-range communications. It is characterized by its "J" shape, consisting of a main vertical element and a horizontal section that acts as a counterweight. Anyone find a link please let me k Mar 23, 2013 · The antenna is nice and light and will work well either as a base antenna or as a portable antenna, these antennas are of reasonable price but I have included measurements and a link to the “HB9CV” calculator site. Since moving to Germany however this portable set-up has sat in the cellar as portable operation on 6 metres is illegal in Germany. Less efficient because of omnidirectional radiation and signal losses within an apartment. May 26, 2018 · Where does one attach the HB9CV antenna feedpoint - at the radiator or reflector? The article you linked does it at the radiator while the online calculator I linked in first post does it at the reflector. Vor allem gilt das für die HB9CV. Jul 31, 2022 · Calculation of the HB9CV antenna for VHF and UHF bands. 5m. Unlike most antenna designs on this site which are omni directional, this two element phased antenna type is very directional and compact and has been constructed to facilitate the reception of telemetry signals from the smart falconry telemetry project Collection of online calculators for calculating homemade antennas for modern types of radio communications Dec 5, 2024 · Antenna Calculator Links → 160 Calculator antennas Wirelass Find the calculation you want, and enter the various parameters required then click the Calculate Calculator Seven Element Yagi Information of a particular beam antenna, in this case a seven element Yagi Calculo de antenas dipolo calculate the length of your dipole, then you can enter your frequency of interest and see the necessary calculate dimension for hb9cv directional antennas. Compared to a 3-element Yagi-Uda it has about the same gain, even slightly better. Gain of this two element antenna is the same like for like gain of classic three element YAGI antenna Key Features/Specifications: Type: 2element HB9CV antenna Frequency: 144-146MHz Gain: 3. Here we have collected some links to building instructions for 11m antennas on the Internet. Perfect for VHF and UHF frequencies. 11b Horn Antenna Designer calculator. The best option so far HB9CV - another angle Yagi - works, but resonates with window and so not very efficient indoor. By inputting the working frequency, users can obtain crucial dimensions like dipole lengths and distances. That is due to no parasitic elements which are, by nature, difficult to determining their efficiency. This antenna has a 50 ohm impedance, making it suitable for transmission systems without the need for adapters Antennas for CB radio bands 11 mete Feb 19, 2018 · In addition to using the supplied HB9CV PCB yagi, I will construct a 22el yagi (in progress) and the Bi-Quad directional antenna mentioned in this post. Fórmulas: Cálculo de un dipolo: Para el cálculo de una antena dipolo de media onda debemos de emplear la siguiente fórmula: L = 150 · K / F = 150 · 0,95/F = 142,5/F. Antenna HB9CV Calculator VHF/UHF Enter the frequency: MHz GHz Calculate Oct 21, 2022 - Free Online Engineering Calculator to quickly find the Dimensions of a HB9CV Antenna. The HB9CV antenna is smaler than a 3el. Dec 3, 2011 · We would like to show you a description here but the site won’t allow us. 2 miles and then George M1GEO at 1. HB9CV antenna calculator app for iPhone. If you Google “HB9CV”, you should find several calculators. jrgaiiigewxwhsmetmnmvxaywxlinlnotcbngsndqllhmjibyizjortcdrklvfphrtmofj