Ace hf is propagation forecasting and modeling for amateur radio as well as for shortwave radio listening and general hf operation. The main category is propagation tools that is about propagation prediction software for ham radio. Radio propagation radio propagation is the study of how radio waves travel from a transmitter site to a receiver site through the atmosphere. Gwps 4 is an application designed to run under microsoft windows. For propagation topics above 30 mhz, please see our dxing above 30 mhz article. Dx toolbox from blackcat systems searches the web for you, gathering information on solar and geomagnetic conditions that affect radio propagation. This has a history of development which started off with efforts of the u. Nov 25, 2019 voacap hf radio propagation forecast software the abbreviation voacap stands for v oice o f a merica c overage a nalysis p rogram. G0kyas monthly propagation forecast and analyses mac forecaster for mac from black cat systems propview propview uses the ioncap propagation prediction engine to forecast the minimum and maximum useable frequencies between two locations over a specified 24 hour period. High frequency hf propagation models 230 mhz irregular terrain model itm longleyrice 20 mhz 20 ghz if77 wave propagation model gierhartjohnson airground millimeterwave propagation. If youre just getting started in the hf hobby, ae4rvs propagation primer is. Richard and sue buckner teamed with joe ahlgren author of geoclock and steve biro to create a dynamic system simulation and visualization software package which uses the voacap propagation prediction engine to create animated maps and charts to help all users of hf radio choose the best times and frequencies.
We do not recommend the use of gwps for the prediction of vlf radio wave propagation. Radcom readers may be aware of rsgbs new hf propagation prediction project, software and website the projects aim is to produce a propagation prediction tool that uses the new ituproduced program iturhfprop, which has been shown to be more accurate than older. The grey line is a band around the earth that separates the daylight from darkness. Propagation prediction software uses data such as the a index and k index to model propagation. Propfire hf propagation stats for firefox propfire is a propagation utility for the firefox webbrowser. Hf propagation forecasts in winlink express video howto submitted by w3qa on mon, 201504. Demystifying hf radio propagation and modeling check out the acehf propagation software the latest is version 2. Acehf professional propagation software for hf radio operators. This software is developed and maintained by the same engineers. One major reason for this is that the d layer, which absorbs hf signals, disappears rapidly on the sunset side of the grey line, and it has not yet built upon the sunrise side. Any white bubble indicates no suitable frequency or high absorption. This link is listed in our web site directory since monday jun 17 2002, and till today acehf propagation prediction software has been followed for a total of 9389 times.
Radio propagation prediction software electronics notes. Includes all of the features offered in ace hf pro. Hf propagation forecasts in winlink express video howto. It was the successor to my popular propagation program hfprop, which used a fast, but not very accurate propagation modelling algorithm. Radio propagation prediction software an overview, article, tutorial about the basics of radio propagation prediction software for use on the hf bands for predicting broadcast coverage, as well as the possibility of establishing two way radio communications, maritime mobile radio communications, and for many more applications. The agreement is renewable and provides all active support customers with free bug fixes and new software revisions as they are release. Irregular terrain model itm longleyrice 20 mhz 20 ghz if77 wave propagation model gierhartjohnson airground. The maximum usable frequency muf is the highest frequency that, with a probability of 50% of the time, can be used for radio communication between two points at a specified distance but not necessary in all directions via refraction by the ionosphere. Acehf propagation prediction software professional pc software for hams that uses voacap and includes area coverage maps animated by time or frequency. Use it to find out who should be able to hear you right now. Hf propagation prediction is a statistical science.
These links explore several sites, and software, that can be used to help predict how a hf signal will propagate. Ham cap provides a comole automation interface that 3rd party programs can use to start ham cap, set prediction parameters, and run predictions. Lee inman of the winlink team has mined the server databases for useful propagation data and developed a new map showing recent hf connection paths on a worldwide basis. G0kyas monthly propagation forecast and analyses mac forecaster for mac from black cat systems propview propview uses the ioncap propagation prediction engine to forecast the minimum and maximum useable frequencies between two locations over a.
Voacap quick guide guide to using voacap, free professional hf prediction software from ntiaits. The online prediction service voacap online is easy. Ntia does not make any warranty of any kind, express, implied or statutory, including. The international amateur radio union iaru has adapted the north california dx foundation beacons system as the defacto structured network of hf radio cw beacons for propagation assessment for use by radio amateurs for monitoring radio propagation prospects on the hf radio dx bands. Ionospheric propagation is the main mode of radio propagation used in the mf and hf portions of the radio spectrum. Get the most updated and accurate gold rate forecast, we have the most thrustworthy gold rate forecast predictions and information currently we have a gold rate forecast warning for all members.
To help you be in the right place at the right time, propagation prediction programs are available. Ntia does not make any warranty of any kind, express, implied or statutory, including, without limitation, the implied warranty of merchantability, fitness for a particular purpose, noninfringement and data. A rising a or k index indicates increasing disruption of the geomagnetic field, and generally means that hf propagation will be poor. Hf propagation is a handy little ad supported windows phone 7 application to inform ham radio operators and short wave listners about the current band conditions. Many are free, such as the hamcap software from alex shovkoplyas ve3nea. Check out the ace hf propagation software the latest is version 2. It displays current hf propagation data in your status bar. Stations that do not report gridsquare positions especially gateways can not shown. Animated communications effectiveness for high frequency. This site is dedicated to voacap voice of america coverage analysis program for hf propagation prediction and ionospheric communications analysis, an. Another advantage is ace hf mobile includes a 1 year warranty and support agreement. Unless otherwise stated, all originally authored software on this site is licensed under the terms of gnu gpl version 3. Wave propagation software, computational science, and reproducible research 3 can be built upon and used as a subroutine in future work. Hflink hf automatic link establishment hf ale hf network.
Radio signals are affected by terrain elevation between the sites, and obstructions, including trees, buildings, etc. It also features several propagation forecasting tools, allowing you to quickly and easily estimate current hf shortwave propagation conditions between any two locations in the world. Operating on the highfrequency hf ham radio bands can be very exciting as conditions change around the world. General information on the icepac propagation prediction model. Department of commerce ntiaits institute for telecommunication sciences high frequency propagation models. This workinprogress guide should get you well started with the software. Hf propagation modeling for positional tx with positional rx sites. Ace hf propagation prediction software professional pc software for hams that uses voacap and includes area coverage maps animated by time or frequency. It also features several propagation forecasting tools. For interesting plots of amateur propagation analysis see pages from g3cwi, including scattergrams, chirp soundings, pedersen ray doppler plots.
This beacon system is a well thought out and nicely implemented. It is one of the only software packages to reliably predict ionospherically refracted hf radio signal behavior. Jan 20, 2020 radio propagation radio propagation is the study of how radio waves travel from a transmitter site to a receiver site through the atmosphere. Another advantage is acehf mobile includes a 1 year warranty and support agreement. Want to know the best band and time of day to contact. Its ideal for the ham radio operator, shortwave listener, or other radio enthusiast, and is available for mac os, mac os x, and windows. Hf propagation radio society of great britain main site. Radio mobile rf propagation simulation software radio. All predictions are performed using the itus iturhfprop application. If youre just getting started in the hf hobby, ae4rvs propagation primer is an excellant place to start. Propagation prediction programs and forecasts radio society. Radio propagation along the grey line is very efficient. Ace hf professional propagation software for hf radio operators.
Demystifying hf radio propagation and modeling check out the ace hf propagation software the latest is version 2. Please note the rsgb is not responsible for the content of external websites. The software is also available from the ntia website, although ntia only features older versions. Note that dx summit cluster refers to this program and displays a prediction chart when you clic on a. Listed under the software propagation category that is about propagation tools. Sunspot numbers on april 2529 were 11, 14, 12, 0 and 24, giving a weekly average of 8. Dx toolbox shortwave ham radio hf radio propagation. The characteristics of a propagating rf signal largely depends on the radio frequency, geographic terrain, foliage, buildings, and varying weather conditions.
It displays not only the current status of the hf and vhf bands, but also additional. It uses both three dimensional models of the ionosphere as well as three dimensional topographical data of the earth to provide unprecedented detail in modeling hf radio signal propagation worldwide. Review of propagation prediction programs voacapbased. Rf propagation is the transmission of radio signals from a transmitter to a receiver. Hf propagation forecast, free hf propagation forecast software downloads. Acehf propagation prediction software resource detail. Unless otherwise stated, all originally authored software on this site is licensed under the terms of. Acehf is propagation forecasting and modeling for amateur radio as well as for shortwave radio listening and general hf operation. 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. The links below provide information about high frequency propagation. Voacap voice of america coverage analysis program is free professional highfrequency hf propagation prediction software from ntiaits, originally developed for voice of america voa.
This is a radio frequency propagation calculator for the transmission path between an rf transmitter and a receiver. Ace hf system simulation and visualization software, v2. Institute for telecommunication sciences resources radio propagation software radio propagation software. The downloads made available through links on this page contain software developed by ntia. If you arent seeing your qsos check your software settings. Wave propagation software, computational science, and.
Hflink is the international resource for ale automatic link establishment high frequency communications, hf digital messaging, emergency disaster relief, interoperative hf communications, hf network, ham radio. Propagation prediction programs and forecasts radio. Current sunspot cycle activity, space weather, solar storm. About acehf propagation prediction software the resource is currently listed in in a single category. Hf propagation prediction the tools provided by this web application enable users to predict available frequencies, signal levels and corresponding reliabilities for high frequency hf circuits. Acehf system simulation and visualization software, v2. Ace hf 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. This wellknown analysis and prediction tool has been called the cadillac of hf propagation programs. Voaprop was written to satisfy my need for a program that would show me what hf band propagation should be like on a particular day on a particular band.
It displays not only the current status of the hf and vhf bands, but also additional solar and terrestial progatation related data. Institute for telecommunication sciences resources radio propagation software high frequency high frequency propagation models. Jul 19, 2016 an introduction to the new propagation studies committee propagation predictions tool radcom readers may be aware of rsgbs new hf propagation prediction project, software and website. Predicting propagation in ham radio with voacap online. The projects aim is to produce a propagation prediction tool that uses the new ituproduced program iturhfprop, which has been shown to be more accurate. 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. Asaps course hf radio propagation course hf radio propagation manual. This software is even used by the military and other clients around the world. Vp6r pitcairn island oc044 vk9nc, vk9ne, vk9ng norfolk isl. The information provided within this program via the help windows is concise and practical, written with the assumption that anyone executing these programs has a basic understanding of hf radio broadcasting, the propagation prediction model, and windows 3. Richard and sue buckner teamed with joe ahlgren author of geoclock and steve biro to create a dynamic system simulation and visualization software package which uses the voacap propagation prediction engine to create animated maps and charts to help all users of hf radio choose the best times and frequencies for communications. An introduction to the new propagation studies committee propagation predictions tool.