Pic microcontroller projects, diagrams, tutorials, cad and pcb design software, vintage vacuum tube archives. To be combined with a yagi uda antenna or used as is. The antenna acts like a stacked pair on the vertical and a standard yagi on horizontal. The centerloaded offcenterfed dipole clocfd was invented and first described by yours truly, serge y. Antenna works very well on all amateur bands within its frequency range i use a yaesu ft450d with a builtin antenna tuner. Source code and windows executables are available to download. Hf dipole antenna software free download hf dipole. We sell all types of dipole and vdipole antennas for ham radio, if you are looking for quality hfvhfuhf base station antennas at a great price then look no further, we stock dipole and vdipole hf antennas, and more,from all the top antenna manufacturers, includes cushcraft antennas, diamond antennas, radioworks antennas, comet antennas, watson antennas and more.
You seem to want to copy the broadband design millitary antenna folded dipole. The buddipole hf portable dipole antenna system, welcome to the home of the buddipole, an hfvhf portable dipole antenna system which is designed to be modular, versatile, and efficient. This calculator provides quick estimation of antenna size required for a given gain and frequency. By cutting the dipole to the correct length good reception can be obtained. W hen the overall length of an hf dipole is less than about rd wavelength radiating efficiency decreases rapidly. Antenna calculator and design software antenna radio high. A resonant length for the inverted v dipole may be found to be 4 5 % longer than calculated from this formula, depending on ground and other nearby objects conductivity conditions. Start with your lowest in frequency band of operation as the main top support for the entire setup. Every antenna is cut to a precise length to accomodate that particular band. It is not a good idea for an amateur station to use.
Rtlsdr blog v3 r820t2 rtl2832u 1ppm tcxo hf bias tee sma software defined radio with dipole antenna kit. Dipole antenna design software free download dipole. Locating tuning and matching functions at the dipole centre reduces line loss. The coaxial dipole or bazooka is the best keep secret. Antenna calculator for hf antennas ham radio secrets. Coax dipole calculator an efficient program to calculate dimensions of coax dipoles. Make a 40 metre loaded dipole amateur radio tips and how. All parts used for the construction of the dipole can be used to construct the half square, so there is. See more ideas about ham radio antenna, ham radio and ham radio operator. Jpole antenna is pretty easy to build and usually designed by amateur radio operators. The indepth analysis to increase the gain and other parameters however are a different struggle. Presented here are design and build notes for a terminated three wire folded dipole t3fd for 160 to 10 meters based upon works by cebik, the bushcomm bba100 series antenna, info from the hflink site, and lots of experimentation on my part. The list will grow with your help so lets start and share the knowledge. The radiation pattern polar diagram for a half wave dipole antenna shows that the direction of maximum radiation or sensitivity is at right angles to the axis of the rf antenna.
Antenna, ve3sqb ham radio antenna design software programs. I would experiment with different arrangements for swl, scanner, amfmtv and 11m antennas, mostly within the cramped confines of the attic ofread more. Here is a simple antenna calculator for two popular forms of ham radio hf wire antennas. Hf dipole antenna design software electronic circuits. The antenna is basically a quad opened up on the bottom.
Antenna calculator and design software electroschematics. This app does nothing more than the standard 468freq mhz type calculations. Ac projects alarm circuits amplifiers antennas battery charger calculator software circuit designer circuits design control circuits converter circuits crossover circuits data sheets digital circuits. Introducing our newest addition to our portable power line of products the powermini. Over on youtube user brian su has uploaded a video showing his super simple dipole antenna that he uses for adsb. A heavy duty trap dipole would be a better idea, it can be designed with the traps placed to cover the amateur bands, i dont see why you need continuous coverage across the 1.
In the video demo, i use the program to design a 20 meter dipole which is to be installed 30 feet above ground. Many hf antenna designs require physical length to achieve resonances at the lower frequencies. It is used to design jpole antennas for the desired frequency. Accordingly the radiation patterns the antenna can be viewed as either transmitting or receiving, whichever is more convenient. Rtlsdr blog v3 r820t2 rtl2832u 1ppm tcxo hf bias tee sma software defined radio with dipole antenna kit by rtlsdr blog currently unavailable. This is not always possible in all situations due to the space available. Installation suggestions comes with each antenna to help you better understand some of the best and easist ways to install your new antenna. The most straightforward way to install a dipole is as a horizontal antenna, although this is by no means the only way. This antenna can be angled anywhere in a range from 0 as a halfwave vertical dipole, to 90 as a flattop horizontal dipole. This dipole antenna gives the same gain as all other dipoles, however, the half square is a much better dx antenna for a given elevation and may be worth the extra effort.
Such a problem can be solved by mounting a dipole at a slope. Welcome to the home of the buddipole, an hfvhf portable dipole antenna system which is designed to be modular, versatile, and efficient. Arrl antennas hf dipole antennas for amateur radio. Program good for 1 500 mhz, although intended for mf hf useage. Cut it per the formula but add a couple of feet on each end for tuning. It consists of 4 halfwave elements in a line, with two quarterwave stubs between the pairs of elements. This up and over, over and down design had been used in hf wire antennas. The calculations for an antenna might be complex, a simple dipole antenna however is pretty easy to design. The all band hf dipole was constructed and refined for use with my zmatch antenna matching unit at my previous residence in melbourne, victoria from 2004 2007 despite the space limitations of a suburban block i wanted an antenna that would be suitable for all the hf amateur bands, including the so called warc bands and ideally including the.
Youll also find here many innovative new accessories for hfvhf portable antennas. Initial setup of antenna and environment parameters. Asap antenna scatterers analysis program, is a free general purpose antenna analysis software program for numerical electromagnetic antenna design, modeling and analysis. A very basic program for calculating the length of each leg of a 12 wave wire dipole antenna. Using two short mobile hf antennas to make a vertical dipole. The antenna needs two points of suspension for ropes from the dipole end insulators. Centreloaded dipole antennas when the overall length of an hf dipole is less. The loaded dipole v2 is not as good as a full size antenna but it can be used in limited spaces and even indoors. Sep 29, 2015 over on youtube user brian su has uploaded a video showing his super simple dipole antenna that he uses for adsb. All parts used for the construction of the dipole can be used to construct the half square, so there is no loss in investment if you decide to switch. Hf dipole antenna this antenna software will help you design a simple wire dipole. In the video demo, i use the program to design a 20 meter dipole which is to be installed 30 feet above. However, there is a way to reduce the overall length of an hf dipole through the use of loading coils. Dipole and vdipole hf antennas dipole moment density.
Can be interfaced to hfwin32 propagation prediction software. Antenna installation can sometimes be measured by the swr of the installation. Usb icom civ interface milstd188 interface radio hobbyist products 22m part 15 beacon kit cw keyer for beacons kit jellyfish transformer cyclops antenna transformer general interest programs atomic macpc audiocorder. Dipole antenna design software antenna design calculator v. Simplehfwireantenna wewillexploretypical varia2onsofthewiredipole highfrequency hfantenna typicalamateurradio transmiingantenna. Hflink ale antennas selcall antennas automatic link. This app is intended for aiding in the design of simple wire dipole antennas for 1 30 mhz. If you have no particular preference within a given ham radio band, then simply enter its center frequency i. This is a common antenna configuration in the world of amateur radio referred to as a sloper or more accurately, halfwave sloper. Having had a gem quad hf 201510m for a few years, back in the early 80s, i can testify to the quads slight advantages over a tribander yagi with the same number of elements. Additional loss occurs not in the antenna itself but in the feedline due to high swr, and also in the tuner. Ham radio viewer request my home hf antenna solution, 16010 on a small city lot. Hf dipole antenna software free download hf dipole antenna.
G4fgqs software g4fgqs software a collection of free engineeringmodeling programs written by reg edwards g4fgq. Yagi antenna design this site offers a free interactive design page to let hams design yagi antennas for hf, vhf and uhf. Adding inductors to your dipole makes it possible to reduce the overall. The total length of a dipole antenna for 10 mhz would then be 142. Made out of coax, it matches closely to 50 ohms and can be set up horizontally or in an inverted v. View antenna display, showing the wires making up the model of the fiveelement beam, with currents and 2d slice superimposed to show orientation.
This gives a low impedance feed impedance and this matches nicely to 50. Hf dipole antenna design software this app is intended for aiding in the design of simple wire dipole antennas for 1 30 mhz. It is very broadband for a dipole and makes a great field day antenna. Make a 40 metre loaded dipole amateur radio tips and howto.
It includes innovative antenna projects for single and multiband antennas, as well as antennas for portable applications. Total wavelength refers to a single wire dipole in freespace and is theoretical. The prototype for 2 meters made its first contact of over 200 miles while lying upside down on a picnic table. In the video brian uses some copper wire for the dipole and. Hf dipole antenna this antenna software will help you design a simple wire dipole antennas for 1 30 mhz. You will find a wealth of free antenna design information and software below. The two polesterminals of the antenna are used as either transmitters or receivers based on the usage. Find a station with a consistentlystrong signal and you probably have found a station with a good antenna. Have made many contacts primarily along the east coast with good signal reports. Also the most common format is for a half wave dipole.
This antenna is ideal for ionospheric radio wave propagation. There is an excellent description of hf colinear antennas in the arrl antenna book. Here is antenna design software to meet your needs. This design exercise resulted in a new kind of antenna which i dubbed centerloaded offcenterfed dipole antenna, or clocfd for short. Buy products related to hf dipole antenna products and see what customers say about hf dipole antenna products on free delivery possible on eligible purchases. A dipole is essentially just two pieces of conductive wire, one connected to the centre conductor of the coax, and one connected to the shield. See more ideas about ham radio antenna, ham radio and dipole antenna. The top most dipole must support the entire weight of the antenna. Download hf dipole calculator 12 wave wire dipole antenna.1102 424 1010 825 681 1307 1139 779 1364 1412 310 471 1265 70 1546 313 929 876 587 74 1172 1560 877 1497 1234 462 255 935 1361