Integrated software for logging, rig control, digital modes, satellite. Animated communications effectiveness for high frequency software. In the arrl antenna handbook, n6bv describes a process for generating. As indicated on the radio mobile online website, it uses digital terrain information and a mathematical model to simulate radio transmissions between two fixed sites or between a. Animated communications effectiveness for high frequency. Animated antenna analysis charts, including 3d views.
Can be interfaced to hfwin32 propagation prediction software. Acehf professional propagation software for hf radio operators dx toolbox from blackcat systems searches the web for you, gathering information on solar and geomagnetic conditions that affect radio propagation. Voacap voice of america coverage analysis program is free professional. Ham radio digital modes software list and descriptions. Ham radio deluxe software radio amateurs best asset. Antenna theory types of propagation tutorialspoint.
Dx engineering receive antenna systems feature the best designs available for hf dxing, as well as for am dxing on the mw broadcast band and for the short wave listening bands swl. Exe for creating voacapcompatible antenna models from hfta, courtesy of r. To help you be in the right place at the right time, propagation prediction programs are available. Acehf propagation prediction software professional pc software for hams that uses voacap and includes area coverage maps animated by time or frequency.
This view enables detailed 3d analysis of antenna pattern, in the context of the antenna placement, for understanding peaks, nulls, and all aspects of complex far field propagation. Ham radio exam is a program to help prepare for one of the fcc amateur radio exams technician, general, or extra. Hf propagation prediction tool for amateur radio freeware. Has builtin links to the public domain nec2 and voacap engines. Some meteor scatter operation takes place on the 50mhz ham radio band. Acehf professional propagation software for hf radio operators. It doesnt take much operating experience for a ham to realize that the terrain. The software is open source, and the data collected are available to the public. In a typical application integrated with ham cap, the user will rightclick on a callsign, and ham cap will pop up and display the pointtopoint propagation chart. For ham radio most of the communications take place on the two metre band, although there are some contacts made on the 70 centimetres ham radio band, but this is very close to the absolute top limit for this form of radio propagation.
Each prefix has a hint with a country and province name. An antenna for ham radio is similar to closing the deal on an automobile purchase. Click on a prefix to find it in the prefix database. Review of propagation prediction programs voacapbased. The slice is a set of step distances from the center the chosen location together with the height of terrain at each step. To retrieve your new key, visit the following website to check for your replacement key. Antenna modeling software and other utility programs by dan maguire, ac6la autoez automated use of eznec. The basic concepts behind hf propagation using the ionosphere are easy to understand, and a study of it is not only fascinating, but also very useful for anyone involved in hf radio communications in any way. May 02, 2020 ham cap is a free hf propagation prediction tool for amateur radio. Ham cap requests also the date and month, home and target locations, transmitter power, and antenna gain 15 models from the.
The waves, which are transmitted from the transmitter antenna, are reflected from the ionosphere. Made by the film board of canada for the royal canadian air force. Radio propagation prediction software electronics notes. View antenna display, showing the wires making up the model of the fiveelement beam, with currents and 2d slice superimposed to show orientation.
Additional material was added for the following topics. The ham radio hf antenna, of the halfwave dipole variety, requires a lot of horizontal space. Radio mobile online online rf propagation simulation software. Rosenberg ab9mz presented 20170204 updated 20170312 slide. Hrd is designed for windows 2000 or higher xp, vista, also internet explorer 6. Autoez works in conjunction with the eznec antenna modeling program and allows you to use variables to control diverse aspects of the model.
Ham radio software was originally developed to allow ham operators to use digital modes of communication. Low noise antenna connection it doesnt take very much wire to pick up an adequate signal for anything but the crudest shortwave receiver. Windows program zipped, 830 kb for conversion of online cty. Wsprnet welcome to the weak signal propagation reporter. How to use meteor scatter communications in ham radio. The maximum fieldstrength was obtained at the same antenna heading that has. Ace stands for animated communications effectiveness, a. Many are free, such as the hamcap software from alex shovkoplyas ve3nea. Hf propagation prediction software from ntia its, originally developed for voice of. Ham cap is a free hf propagation prediction tool for amateur radio. Wire antenna construction methods antenna modeling software mininec, winnec, and eznec for windows. The weak signal propagation reporter network is a group of amateur radio.
All stainless hardware end fed dipole 806m portable hf matchbox. But for a ham interested in any aspect of hf operation, digital or otherwise, a basic knowledge of propagation is a most useful tool in the shack. A rudimentary knowledge of sunspots, solar flares and mass ejections will help the amateur take advantage of these effects to enhance his pleasure, or understand his plight. Ham radio propagation software free download ham radio. Using meteor scatter propagation enables ham radio and also commercial radio communications contacts to be made over distances up to about 2000 km on the vhf bands meteor scatter does require the use of high performance ham radio stations and some specialised operating techniques, but it is able to provide interesting contacts over distances up. My favorite ham radio software hamfesters radio club gregory d. Software to automate and animate your antenna modeling and propagation predictions. Radio signals can be propagated with two major polarizations. A brief overview of important propagation fundamentals when using radios. Unfortunately, it only runs on pcs, but since the fortran source code is also free, perhaps i can figure out a way to adapt it to the mac. Maximize your signal and minimize noise with antenna accessories such as antenna switches, vertical addon kits, variable phasing controllers, baluns, radial. Slide 5 spreaders on the wire, using 4 of them, easing them all the way down to the other end. Operating on the highfrequency hf ham radio bands can be very exciting as conditions change around the world.
The program allows you to take practice exams or all the questions in a section. Effective jan 2016 i will be changing web hosting providers and as such a complete redesign of my website using a content management systemcms to better design and host the site. Next, space the spreaders with the wires through the holes at intervals of either 18 or 20 inches 45. Ladder line antennas, how amateur radio antennas work, eznec software and what it can do for you.
What are the different types of ham radio software. The difference between a mediocre antenna system and a great antenna system isnt the antenna itself. Heres a great resource for amateur radio operators. The different types of ham radio software are often dependent on the type of computer operating system used by the radio operator. The amateur radio propagation studies webpage features the world of unusual. Echolinksoftware enabling a link between a radio or repeater to the internet for a licensed radio amateur. The ace method shows a sequential series of coverage maps. Here you will find some easy to understand amateur radio antenna ideas. Here the ham radio antenna propagation is slightly different. Assembling your antenna, and this where the fun comes into play.
Easy to follow paragraphs about antenna db gain, antenna propagation, a wire antenna guide, a small bit of completely biased information about swr and using an antenna tuner. Hamcap hf propagation prediction tool for amateur radio. The current release version of ham radio deluxe is v6. Apr 08, 20 a brief overview of important propagation fundamentals when using radios.
Dean straw n6bv zipped, 34 kb elevationangle analyzer for voacap, v1. Call area boundaries and prefixes are shown on the world map in addition to the dxcc boundaries and prefixes. You can then run multiple eznec test cases while autoez automatically changes one or more. Its possible, however, to fit a fulllength halfwave dipole in less horizontal space, while retaining most, if not all the advantages of the classic dipole. Online interactive maps if you are planning on a dxpedition, consider adding an interactive propagation map to your web site see example. How to build several easy antennas for amateur radio wikihow. Dx toolbox from blackcat systems searches the web for you, gathering information on solar. Aug 11, 2019 assembling your antenna, and this where the fun comes into play. Its possible, however, to fit a fulllength halfwave dipole in less horizontal space, while retaining most, if. Emmcap software for modeling of arbitrarily shaped wire structures and the computation of their electromagnetic behavior, including radiation and scattering problems. The online prediction service voacap online is easy.
While listening or planning to work a dx station, the radio amateur would like to know what are the current propagation conditions, know if the propagation is open toward a specific location at a specific time, or at what time the band will be open for a specific pointtopoint circuit. Predicting propagation in ham radio with voacap online dummies. If you believe you have a great performing antenna that more than meets your needs and expectations, then you do, and it doesnt matter what some other guy says. The sun, being the largest engine in our solar system, has a great effect on propagation as its exhaust interacts with our earths magnetic field. The sdrplay duo has the same antenna attached to both inputs 100 of 16ga.
Hf terrain analysis hfta is a powerful but easy to use tool but requires a set of data files which describe a series of 2d slices of terrain around a chosen location. For ground wave propagation the polarization should ideally be the same for all stations. The dipole antenna can be erected in different ways, in order to obtain different benefits for the radio propagation, or for the given physical and practical conditions. 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. Dbj1 dual band vhfuhf 2 meter70cm ham base antenna. Ham cap provides a comole automation interface that 3rd party programs can use to start ham cap, set prediction parameters, and run predictions. We are pleased to announce the new and latest release of acehf please view this press release. The advantage of the online version over the traditional program that runs on a. The software can allow the operator to transmit text and images, or even communicate without all of the normally required equipment. Integrates with hamcap, ionoprobe, band master, and many 3rd party programs. Ham radio deluxe software the radio amateurs best asset. Ham radio antennas learn to build a ham radio wire antenna. Radio mobile online is a radio wave propagation prediction tool created and maintained by roger coude, ve2dbe, which is dedicated for use by the ham radio community. Such a travel of the wave from transmitter to the ionosphere and from there to the receiver on earth is known as sky wave.
It consists of several layers of charged particles ranging in altitude from 30 250 miles above the surface of the earth. Acehf pro is the most advanced and the most accurate high frequency ionospheric radio signal propagation modeling and forecasting software for amateur radio ham radio and shortwave radio listening swling operators, in the world. Ham radio deluxe hrd is a suite of windows programs providing cat control for commonly used transceivers and receivers. Ham radio antenna software free download ham radio antenna. The national oceanic and atmospheric administration space weather prediction center forecasts a solar maximum between 105 and 125, with the peak occurring between november 2024 and march 2026. A great deal of technology has converged in the last few years to make the tool of propagation analysis much more readily available to the radio amateur. There is broad consensus that solar minimum is ongoing in 2020 or may have already occurred and that cycle 25 will have no major change in the level of solar activity compared to cycle 24. Put contact cement on the tooth picks, or match stems before. You will have to click on the ant tab in order to select the appropriate antennas, and verify the antenna patterns. Predicting propagation in ham radio with voacap online. Dec 16, 2014 click on the ant tab, select the appropriate antennas, verify the antenna patterns. Ionospheric propagation is the main mode of radio propagation used in the mf and hf portions of the radio spectrum. Voacap is a free professional hf prediction program from ntiaits.
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