Atoll overview radio planning and optimisation software. Microdem also has a couple of additional radio related functions. The protocol was designed, and a program written initially, by joe taylor, k1jt. Topics include sporadic e, sunspots, troposcatter, meteor scatter, sudden ionospheric disturbances, and ground wave propagation. It then calculates the estimated signal level for each hour of the day, and for each frequency between. The following map shows maximum usable frequencies mufs for 3000 kilometer radio signal paths. More importantly, the current sunspot number ssn and planetary aindex are updated every 30 minutes on the bottom of this image. Hflink hf automatic link establishment hf ale hf network. Wspr pronounced whisper stands for weak signal propagation reporter. Normal usage requires a standard ssb transceiver and a personal computer with soundcard, or the equivalent. Radio mobile is propagation simulation software free to the amateurradio community. The characteristics of a propagating rf signal largely depends on the radio frequency, geographic terrain, foliage, buildings, and varying weather conditions.
Tap is used by federal agencies, statelocal public safety departments, energy companies, utilities, and consultants to evaluate radio transmitter sites. Vsoft plus pack optional module subscription methodology. Splat is a gnu gpllicensed terrestrial radio propagation model application initially written. Comparison of radio propagation modeling software fasma. Winprop software for wave propagation and radio planning. We are pleased to announce the new and latest release of acehf please view this press release. Our maps are based on actual rf propagation, topography, and land cover data. Voacap voice of america coverage analysis program is free professional highfrequency hf propagation prediction software from ntiaits, originally developed for voice of america voa. To retrieve your new key, visit the following website to check for your replacement key. Propagation software for communications, dtv, fm, lptv. It is mainly used by the hamradio operators to set up various radio beacons for different purposes, mostly for radio waves propagation discoveries. Propagation data and prediction methods required for the design of terrestrial broadband radio access systems operating in a frequency range from 3 to 60 ghz p. Fm and tv propagation curves federal communications. The radio signal path loss may vary according to the weather conditions.
Home wsjtx wsjt map65 wspr simjt program development references support. At high microwave frequencies radio path loss increases as a result of precipitation or even moisture in the air. A software defined radio is used to realize the chirpsounder. 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. 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. Statistical and deterministic models of radio wave propagation have evolved over the history of radio. Radio frequency propagation free communication software amateur radio software for linux. The current release version of ham radio deluxe is v6. Usable hf frequencies page refreshed every 20 minutes use the indicated color red, yellow, green, blue, white, etc. Institute for telecommunication sciences resources radio propagation software itm itm. Radio mobile rf propagation simulation software the. Ham radio deluxe software radio amateurs best asset.
Uses openstreetmap tiles or public sattelite imagery as background. This web program produces accurate radio station signal field strengths, organized by zip codes, from the fccs cdbs am and lms fm database, as of march 30, 2020. Qradiopredict is an experimental software for vhfuhf propagation prediction and radio coverage analysis. Our simple to use system will allow you to create tower coverage maps for any geographical area in the entire world. Radio signal propagation many articles on how radio signals travel great distances at different frequencies. Qst propagation charts propagation charts as they used to appear in qst. Maps can be created for nearly every frequency range. Radio propagation radio propagation is the study of how radio waves travel from a transmitter site to a receiver site through the atmosphere. These maps are made from data gathered in real time around the world using hf ionospheric radar systems called ionosondes. Software is now open source and is developed by a small team. These field strength values are defined in section 73.
Winprop radio planning tool with highly accurate wave propagation models for rf. It is a protocol, implemented in a computer program, used for weak signal radio communication between amateur radio operators. Currently it works on linux and windows 32 bit vista tested. Grey line or gray line propagation is a form of radio signal propagation that provides surprisingly long distance radio communications at dawn and dusk sometimes when other forms of ionospheric propagation may not be expected to provide signal paths of these distances. Radio mobile is a advanced pice of software and has features that can be of interest for advanced users. Find the field strengths of am day, am night and fm stations within u. For dtv tv stations, service is defined to exist where the received signal strength exceeds the limit shown in the following table, using the f50,90 propagation curves. Weak signal communication software wsjtx, wsjt, map65, and wspr are opensource programs designed for weak signal digital communication by amateur radio. The determination of radio wave propagation is a very complex process that depends on numerous factors such as the transmitting medium e. Ionosondes bounce hf radio signals off the ionosphere to measure the height of the reflective zones and signal strength vs frequency. Acehf is propagation forecasting and modeling for amateur radio as well as for shortwave radio listening and general hf operation.
Atoll includes advanced singleran multirat network design capabilities for both 3gpp and 3gpp2 radio access technologies including 5g nr, lte, nblot, umts, gsm, and cdma. It supports the latest technology advances such as massive mimo, 3d beamforming, and mmwave propagation for the design and rollout of 5g networks. I havent used it, so i cant speak to ease of use, but it should generate propagation maps based on elevation models and rf propagation. Radio signals are affected by terrain elevation between the sites, and obstructions, including trees, buildings, etc. Probe gives you the ability to be an expert at predicting radio propagation in the 20 to 20,000 mhz. Softwright, a gsa contract holder, is the developer of the terrain analysis package tap pcbased terrestrial rf propagation software. Propagation of rf signals american radio relay league. This beacon system is a well thought out and nicely implemented beacon network with a set of. Any white bubble indicates no suitable frequency or high absorption.
Ham radio software dx toolbox shortwave ham radio hf radio propagation dx toolbox screenshots. These models provide analysis of the effect of outdoor transmitters on indoor radio systems and are applicable to the full suite of signalpro studies area, route and multipoint. This recommendation contains a method for predicting basic transmission loss in the frequency range 12515 500 mhz for aeronautical and satellite services. The rest of information is useless and it doesnt interest anybody. Radio propagation is the study of how radio waves travel from a transmitter site to a receiver site through the atmosphere.
There are many models that predict rf propagation but the most known is the. This workinprogress guide should get you well started with the software. Avr beacon project utilizes a new approach to rf signal generation using sqdds method making rf signals directly from the software, based on a precalculated periodic bitsequence. Irregular terrain model itm longleyrice 20 mhz 20 ghz abstract. This produced the plot below with a radius based over the water of 62km. The software is open source, and the data collected are available to the public through this site. The current conditions window displays the real time readings for many factors which can affect hf propagation.
What everyone should know about rf propagation modeling. Simulating radio wave signal strength is therefore an important consideration in system planning. The maps are generated using the ionosonde data to make projections based upon a base. A terrestrial rf path analysis application for linuxunix. Vsoft communications provides this data free of charge as a service to its customers and friends.
A generic sdr platform such as usrp2 universal software radio peripheral 2 by ettus research 6 coupled with the gnu radio signal processing tool is a flexible platform to implement wireless communication systems in software over a wide range of frequencies. It enables your radio transceiver to transmit beacon signals, and to receive beacon signals from similarlyequipped stations in the same amateur band. Dx toolbox shortwave ham radio hf radio propagation. Rf propagation is the transmission of radio signals from a transmitter to a. The reason for basing the plot over the water for radius is it should be the same height and signal strength in all models, as there is nothing there. Wireless em propagation software wireless insite remcom. Wspr is a piece of software that enables you to participate in a worldwide network of low power propagation beacons. Our simple to use system will allow you to create tower coverage maps for any geographical. Although it can be used on fm and uhf, its primarily a tool thats used for hf, with most of the activity on the 40 metre and 20 metre hf bands. Radio mobile rf propagation simulation software radio. Wireless insite is radio propagation software for analyzing wireless. Ham radio deluxe software the radio amateurs best asset.
Create terrain profiles using digital elevation models. The radio signal attenuation is more pronounced for the higher frequency mobile bands. Rf propagation is the transmission of radio signals from a transmitter to a receiver. Welcome to the weak signal propagation reporter network. Integrated software for logging, rig control, digital modes, satellite. Institute for telecommunication sciences resources radio propagation software radio propagation software. Send formated dx spots indicating clearly both locators and the type or propagation. It is free and open source, and there are builds for windows and mac if you dont want to compile from source on linux yourself.
Calculations radio mobile rf propagation simulation software. This is a great piece of software that can be used to check how far out your signal can carry. Ace stands for animated communications effectiveness, a. Demystifying hf radio propagation and modeling check out the acehf propagation software the latest is version 2.
Signalpro offers propagation models that provide accurate predictions for indoor, outdoor and indooroutdoor system design. The hart of every rf simulation tool is the prediction model. Irregular terrain model itm longleyrice 20 mhz 20 ghz if77 wave propagation. This software is even used by the military and other clients around the world. Radiolink propagation prediction calculate path losses of a pointtopoint radio link.
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