To help you be in the right place at the right time, propagation prediction programs are available. Review of propagation prediction programs voacapbased. 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. Now the newly released probe 5 offers more powerful features, flexibility and speed, including the ability to take advantage of multiple program threads and dual core or. Institute for telecommunication sciences resources radio propagation software high frequency high frequency propagation models.
Free online vhfuhf propagation tool for technical and non. The following links will give you some information on propagation and its properties. Hf propagation prediction tool for amateur radio system requirements. 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. Irregular terrain model itm longleyrice 20 mhz 20 ghz if77 wave propagation model gierhartjohnson airground. Propagation software for communications, dtv, fm, lptv probe gives you the ability to be an expert at predicting radio propagation in the 20 to 20,000 mhz. Radio propagation prediction freeware free download. Radio mobile online is a radio wave propagation prediction tool dedicated to amateur radio. 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. With the reduction in the use of the hf bands for military and broadcast applications many of these software packages have been released for free use or for. This workinprogress guide should get you well started with the software.
Vhfuhf propagation prediction and radio coverage analysis tool. Itshfbc is free ms windows hf propagation prediction software. 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. Internet resources i use for current and predicted radio propagation. As a form of electromagnetic radiation, like light waves, radio waves are affected by the phenomena of reflection, refraction, diffraction, absorption, polarization, and scattering. Any white bubble indicates no suitable frequency or high absorption. 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. Propview is a free application that uses the included voacap, icepac, and ioncap engines to graphically display band openings between two locations over a. These tools provide a more accurate analysis of radio coverage than the user could get from general knowledge of rf radio propagation. Calculations radio mobile rf propagation simulation software. Radio network designers would like to predict rf coverage based on a set of. Qradiopredict is an experimental software for vhfuhf propagation prediction and radio coverage analysis. A free online vhfuhf propagation tool for technical and. Understanding the effects of varying conditions on.
Ham cap provides a comole automation interface that 3rd party programs can use to start ham cap, set prediction parameters, and run predictions. And its one of the most useful doityourself tools for amateur radio operators, dxers and shortwave. Create terrain profiles using digital elevation models. Propagation prediction software to top of this page what is propagation. The first group is the core that holds all filese that are.
Currently it works on linux and windows 32 bit vista tested. Rf design tools and optimization software help engineers design and. The downloads made available through links on this page contain software developed by ntia. Ham cap is a free hf propagation prediction tool for amateur radio. Many are free, such as the hamcap software from alex shovkoplyas ve3nea. Voacap voice of america coverage analysis program is free professional highfrequency hf propagation prediction software from ntiaits, originally developed for voice of america voa. 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. This software by roger coude ve2dbe predicts the performance of vhf and uhf radio systems.
What everyone should know about rf propagation modeling. For free rf propagation analysis offered on a limited basis for us customers only. It uses digital terrain information and a mathematical model to simulate radio transmissions between two fixed sites radio link or between. Hamcap hf propagation prediction tool for amateur radio. The outputs resulting from the program are under the entire responsibility of the user, and the user should conform to. Radio mobile is dedicated to amateur radio and humanitarian use. If the stable release does not support your radio, try the staller.
Although commercial use is not prohibited, the author cannot be held responsible for its usage. Our maps are based on actual rf propagation, topography, and land cover data. Radio propagation prediction software free download. Some of the articles can get quite deep into the mathematics and physics. Propagation prediction programs and forecasts radio.
Acehf system simulation and visualization software, v2. Kingston amateur radio club propagation prediction. All predictions are performed using the itus iturhfprop application. Overview rf design tools and optimization software help engineers design and analyze radio networks in order to ensure that they meet stringent quality and reliability requirements per itu and other industry standards. Uses openstreetmap tiles or public sattelite imagery as background. 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. Acehf professional propagation software for hf radio operators. Voacap voice of america coverage analysis program is free professional highfrequency hf propagation prediction software from ntia its, originally. Our software features land mobile vhf, uhf 800mhz, microwave, etc. Heres a great resource for amateur radio operators.
You will not have to run voacap directly, ham cap will use it behind the scenes. Wireless em propagation software wireless insite remcom. Voacap is a professional online highfrequency shortwave propagation prediction application. Free online vhfuhf propagation tool for technical and nontechnical users. Operating on the highfrequency hf ham radio bands can be very exciting as conditions change around the world. Radio propagation prediction software christian music radio toolbar v. A free online vhfuhf propagation tool for technical and nontechnical users charles w. I know of two free windows tools useful in analyzing radio coverage. Radio signals are affected by terrain elevation between the sites, and obstructions, including trees, buildings, etc.
Radio mobile online online rf propagation simulation. The online prediction service voacap online is easy. Radio mobile rf propagation simulation software radio. 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. Radiolink propagation prediction calculate path losses of a pointtopoint radio link. Rms express will automatically use this software to suggest the best hf sites to use. Irregular terrain model itm longleyrice 20 mhz 20 ghz. Radio mobile rf propagation simulation software download.
Our simple to use system will allow you to create tower coverage maps for any geographical area in the entire world. Hf propagation prediction software is a freeware programm, which is very simple and easy to use and is good enough for avarage use. Hf propagation prediction is a statistical science. Radio propagation prediction software electronics notes. The first one is a general purpose terrain analysis program that will give quick and dirty plots of lineofsight coverage and required antenna heights fairly easily. Flightgear, the free flight simulator, in order to use its powerful radio simulation. Propagation prediction tool iturhfprop ham radio news. Resources listed under rf coverage category belongs to software main collection, and get. Maps can be created for nearly every frequency range. These tools are part of the new nautel rf toolkit, available free online at the. For free rf propagation analysis offered on a limited basis for us customers only please click here.
Ntia does not make any warranty of any kind, express, implied or statutory, including. Radio propagation is the behavior of radio waves as they travel, or are propagated, from one point to another, or into various parts of the atmosphere. Nautel limited hacketts cove, ns canada abstract broadcasters are often confronted with questions about fm, tv and stl propagation, such as is it more effective to raise my antenna 100ft, or increase the. Predicting propagation in ham radio with voacap online. Institute for telecommunication sciences resources radio propagation software radio propagation software. Propagation of rf signals american radio relay league. An introduction to the new propagation studies committee propagation predictions tool.
This beacon system is a well thought out and nicely implemented. Radio propagation prediction, radio coverage analysis and. 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. There are many models that predict rf propagation but the most known is the. Radio mobile is propagation simulation software free to the amateurradio. Radio mobile is propagation simulation software free to the amateurradio community. 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. Usable hf frequencies page refreshed every 20 minutes use the indicated color red, yellow, green, blue, white, etc. These tools are part of the new nautel rf toolkit, available free online at the website the radio coverage tool is based on the longleyrice vhfuhf its model2, and includes a nearly 1 terabyte digitized worldwide terrain database, based on nasa shuttle radar terrain mapping data as well as other sources. 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. Radio propagation radio propagation is the study of how radio waves travel from a transmitter site to a receiver site through the atmosphere. Propview propview uses the included ioncap propagation prediction engine to forecast the minimum and maximum useable frequencies between two locations over a specified 24 hour period.
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