Propagation models antenna patterns clutter system templates gallery. A radio propagation model, also known as the radio wave propagation model or the radio frequency propagation model, is an empirical mathematical formulation for the characterization of radio wave propagation as a function of frequency, distance and other conditions. This workinprogress guide should get you well started with the software. As a form of electromagnetic radiation, like light waves, radio waves are affected by the phenomena of reflection, refraction, diffraction, absorption, polarization, and. 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. 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. To help you be in the right place at the right time, propagation prediction programs are available. I know of two free windows tools useful in analyzing radio coverage. Calculations radio mobile rf propagation simulation software. 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. Its ideal for the ham radio operator, shortwave listener, or other radio enthusiast, and. Institute for telecommunication sciences resources radio propagation software high frequency high frequency propagation models. The program allows you to take practice exams or all the questions in a section.
Oct 25, 2019 radio mobile online is a radio wave propagation prediction tool dedicated to amateur radio. The outputs resulting from the program are under the entire responsibility of the user, and the user should conform to restrictions from external data sources. Radio propagation is the study of how radio waves travel from a. Send formated dx spots indicating clearly both locators and the type or propagation. Summing signal power from multiple modes calculating the received rf noise power. Describe your experience with the hf propagation prediction software and tell us why you give it the rating you did required. Flightgear, the free flight simulator, in order to use its powerful radio simulation. Free online vhfuhf propagation tool for technical and non. Irregular terrain model itm longleyrice 20 mhz 20 ghz. Other frequencys are used for broadcast of radio and tv vhf and uhf, 50800. Radio signals are affected by terrain elevation between the sites, and obstructions, including trees, buildings, etc. Radio mobile is propagation simulation software free to the amateurradio community. 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.
Institute for telecommunication sciences resources radio propagation software radio propagation software. Currently it works on linux and windows 32 bit vista tested. Some of the articles can get quite deep into the mathematics and physics. Commercially there are many packages used for radio modeling, and two of the most popular are comstudy and pathloss. High frequency hf propagation models 230 mhz irregular terrain model itm longleyrice 20 mhz 20 ghz if77 wave propagation model gierhartjohnson airground millimeterwave propagation. Hamcap hf propagation prediction tool for amateur radio.
As we know when the signal is propagated from source to the destination it will incur path loss as well as other losses due to reflection, differaction and scattering. 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. Rf propagation software basics rf propagation simulator. Predicting propagation in ham radio with voacap online. You are free to change your mind later and can optin at any time. Nov 30, 2014 either way, there is a quick and easy way to generate rf coverage maps for your specific application available for free online. Acehf system simulation and visualization software, v2. 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. The first group is the core that holds all filese that are. Propagation beacons software online propagation prediction tools propagation prediction software to top of this page what is propagation. This software by roger coude ve2dbe predicts the performance of vhf and uhf radio systems. Usable hf frequencies page refreshed every 20 minutes use the indicated color red, yellow, green, blue, white, etc.
Also common in amateur circles is the use of radiomobile, a non free application for windows operating systems. Radio mobile is propagation simulation software free to the amateurradio. These tools are part of the new nautel rf toolkit, available free online at the. Radio path loss between 2 sights that are within line of sight uses free space loss only. Winprop software for wave propagation and radio planning. Dec 16, 2014 hf propagation prediction tool for amateur radio system requirements hardware.
Radio mobile is packaged in a version and language specific file. The list below provides links to propagation prediction programs and forecasts. Kingston amateur radio club propagation prediction. This windows free software is a tool used to predict the performance of a radio.
Radio mobile online online rf propagation simulation. Due to the gui, its popular with a number of amateurs. Jan 20, 2020 radio mobile executeable and aditional files. Softwright, a gsa contract holder, is the developer of the terrain analysis package tap pcbased terrestrial rf propagation software. Radio mobile online is a radio wave propagation prediction tool dedicated to amateur radio. The outputs resulting from the program are under the entire responsibility of the user, and the user. Please note the rsgb is not responsible for the content of external websites. Although commercial use is not prohibited, the author cannot be held responsible for its usage. Radio amateurs best asset, rig and rotor control, logging, digital modes, and satellite. Voice of america coverage analysis program for hf propagation prediction and. Voacap is a free professional hf prediction program from ntiaits.
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. Ham radio deluxe is the worlds most popular ham radio software. Radio mobile online is a radio wave propagation prediction tool. Ham radio deluxe software radio amateurs best asset. Dx toolbox shortwave ham radio hf radio propagation. Create terrain profiles using digital elevation models. The following links will give you some information on propagation and its properties. 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. Dxcc and province prefixes, cq and itu zones in the rectangular and azimuthal projections, continuous zoom and scrolling, gray line, city and island index, hierarchical prefix database. Calculating and visualizing radio antenna coverage using the free programs microdem and radio mobile. The characteristics of a propagating rf signal largely depends on the radio frequency, geographic terrain, foliage, buildings, and varying weather conditions. Radiolink propagation prediction calculate path losses of a pointtopoint radio link.
Tap rf radio microwave design, analysis, and planning. It uses digital terrain information and a mathematical model to simulate radio transmissions between two fixed sites radio link or between a fixed site and a mobile radio coverage. Radio mobile rf propagation simulation software radio. Uses openstreetmap tiles or public sattelite imagery as background.
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. 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. Free online vhfuhf propagation tool for technical and nontechnical users. Compare the best free open source windows ham radio software at sourceforge.
Comstudy is the defacto standard used by the lmr coordinators approved by the fcc and implements its own. Heres a great resource for amateur radio operators. Other useful information would include your experience with similar products, infomation on a product that you would purchase instead of this one, and so on. The online prediction service voacap online is easy. Keyhole radio is a unique and powerful rf planning interface, accessed by. The early mathematics of radio propagation considered that radio and light were essentially the same and travelled in the same manner.
If you are interested in learning more about how we. The configuration for generating plots is quit complex and poorly. A single model is usually developed to predict the behavior of propagation for all similar links under similar constraints. The downloads made available through links on this page contain software developed by ntia. If you are planning on a dxpedition, consider adding an interactive propagation map to your web site see example. Propagation prediction programs and forecasts radio society. 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. Radio mobile rf propagation simulation software download. Radio propagation prediction software electronics notes. Free specialized software in the detection and registration of echoes radio. Free, secure and fast windows ham radio software downloads from the largest open source applications and software directory.
Rf propagation is the transmission of radio signals from a transmitter to a receiver. Qradiopredict is an experimental software for vhfuhf propagation prediction and radio coverage analysis. We all know that radio waves travel in straight lines. Depending on the language you wish to install you have to download one of the following files. Its ideal for the ham radio operator, shortwave listener, or other radio enthusiast, and is available for mac os, mac os x, and windows. Ham radio propagation software free download ham radio. Operating on the highfrequency hf ham radio bands can be very exciting as conditions change around the world. Quickly create rf propagation maps for anywhere in the world. Review of propagation prediction programs voacapbased.
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. Ham radio exam is a program to help prepare for one of the fcc amateur radio exams technician, general, or extra. Radiomobile is interesting as its non free software, but doesnt appear to have a commercial use keeping it from being free software. Radio propagation radio propagation is the study of how radio waves travel from a transmitter site to a receiver site through the atmosphere. Tap is comprised of individually licensed software modules, which may be purchased in almost any combination depending on user requirements for area coverage studies, path profiles, interference studies, presentation of results, and budget. Our software features land mobile vhf, uhf 800mhz, microwave, etc. 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. Home propagation hamcap hf propagation prediction tool for amateur radio hamcap hf propagation prediction tool for amateur radio posted date.
Tower coverage quickly create rf propagation maps for. Hf radio propagation software free download hf radio. Summing signal power from multiple modes calculating the received rf. Propagation prediction programs and forecasts radio. Ntia does not make any warranty of any kind, express, implied or. 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. Our simple to use system will allow you to create tower coverage maps for any geographical area in the entire world. Ntia does not make any warranty of any kind, express, implied or statutory, including, without limitation, the implied.
As indicated on the radio mobile online website, it. The home of the online hf propagation prediction tool, proppy, providing ondemand pointtopoint and area predictions using the itus iturhfprop. Irregular terrain model itm longleyrice 20 mhz 20 ghz if77. The rest of information is useless and it doesnt interest anybody. Hf radio propagation, free hf radio propagation software downloads. Propagation of rf signals american radio relay league. Maps can be created for nearly every frequency range. Rf design tools and optimization software help engineers design and analyze radio networks in order to ensure that they meet stringent quality and reliability. Voacap voice of america coverage analysis program is free professional highfrequency hf propagation prediction software from ntiaits, originally developed for voice of america voa. Irregular terrain model itm longleyrice 20 mhz 20 ghz if77 wave propagation model gierhartjohnson airground. Radio mobile is dedicated to amateur radio and humanitarian use. Many are free, such as the hamcap software from alex shovkoplyas ve3nea.
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