Rf propagation map. Planet is the world’s first AI-powered RF planning and optimization software for 5G and all other wireless technologies. The files that are tied together are: mapfile. While any really accurate answers require the assistance of The active map window we are about to draw is centred on the last coordinate a map was draw. An even better way is to produce a 'Blank' picture by merging an elevation map of an area with a road map after setting the merge screen to 'Copy' and contrast set to zero, with brightness set to 2. 5 Meter resolution. kml mapfile. Coverage maps are calculated using Longley-Rice Irregular Terrain Model (ITM) algorithm. 5 routine developped for US Navy. you can export result directly to google earth for offline use and place virtual antennas anywhere and get about 30 miles of propagation. First you need to know the Longitude, Latitude, and Altitude from sea level of the Node of both locations. More detailed information is required when you want to do RF analysis in Urban areas. ) to determine the recommended HF frequencies for contacts from your nearest BASE (New York, Boston, Atlanta, Orlando, Kansas City, Phoenix, San Francisco, and Seattle) to a desired location (local region, country, or continent). xxx (raster image file where xxx is the extention that belongs to the type of raster) mapfile. You can display transmitter sites, receiver sites, and RF propagation visualizations by using Site Viewer, an interactive 3-D viewer. By combining live data from PSK Reporter, WSPR, RBN, and DX Cluster, it helps radio amateurs track HF band openings, identify feasible modes based on SNR, and plan global QSOs. Feb 8, 2018 · Free Fresnel Zone for Google Earth I like to study high frequency RF propagation using Google Earth. Another one you might consider is called Radio Mobile and it is one of the easier to use propagation tools. For many years, Communications Research Centre Canada (CRC) provided a free online tool call CovLab Web that would generate FM coverage using the Longley-Rice terrain-sensitive propagation model. This is a copy of the code written by John Magliacane - jmcmellen/splat This evolving guide helps forecast high-frequency skywave propagation. 2/p3 can be used to help filling in these values. Jan 1, 2021 · This chapter provides overview of fundamental definitions, tools and new methods towards improved channel modeling reported in the Co-operation in Science and Technology (COST)-Inclusive Radio Communications (IRACON) Action for future wireless communications and networks. inf mapfile. Amateur Radio: Usable HF Frequencies (page refreshes every 20 minutes) Use the indicated color (red, yellow, green, blue, white, etc. It uses SPLAT! to predict the attenuation of radio signals, which implements a Longley-Rice model. F1 has a lower MUF. 5. 526-14 (for Ground-to-Air Radio only) RadioPlanner 3. Information available includes Builder models communication and radar systems by calculating one- and two-way RF propagation loss . It is based on pure geometrical clearance, taking into account the sensor height above ground, the target height above ground (nap of the earth flight), the topography, and the earth curvature. Earth radius Visual coverage uses the average earth SPLAT! is a powerful terrestrial RF propagation and terrain analysis tool for the spectrum between 20 MHz and 20 GHz. RFinder is by far the largest collection of transmitters we have seen and we are excited to be part of this ground breaking project. In order to do this we need to create an . 1546-6 - Longley-Rice (ITM) v1. Radio Mobile is a tool that is used to design and simulate wireless radiofrequency (20 MHz - 20 GHz) communication systems. it depends on what plan you buy but its useful to share your password with trusted members of a radio group so they can put their own virtual stations on it and For amateur radio uses (HamRadio), World globe and maps, with live/realtime MUF maximum usable frequency, foF2 and Aurora Borealis layer. Available in French and English Radio Propagation & Diffraction Calculator This is a radio frequency propagation calculator for the transmission path between an RF transmitter and a 6 days ago · On-Line HF Propagation Prediction *One single page* gives you an immediate overview of current shortwave propagation conditions at your location. geo mapfile. A comprehensive propagation resource compiled by Tomas Hood, editor of the propagation columns of CQ, CQ VHF, Popular Communications, and Monitoring Times magazines. Jun 9, 2010 · As stated, ARCGIS doesn't have the capability to generate the propagation maps, but the maps produced by ARCGIS can fairly easily be integrated into a detailed coverage map. Global data, reasonable pricing. Free RF Path Study tools allow engineers to plan their SCADA networks. This how-to describes how to create a coverage map in Radio Mobile and import it for analysis in Google Earth. RF Propagation and Visualization RF propagation models describe the behavior of signals as they travel through the environment. These synthetic datasets often contain detailed environmental information, such as 3D building and terrain maps, enabling more accurate radio propagation modeling through ray tracing and ML Forecast of VHF/UHF/microwave signal strength and interference. Dec 25, 2024 · HF propagation prediction is a statistical science. S. These visualizations can include RF propagation effects using the Longley-Rice propagation model. This map is useful in planning and troubleshooting cellular networks for IIoT / SCADA monitoring applications. An interactive map that shows real time, worldwide HF activity and propagation specific to the user's location on all amateur radio HF bands. Our RF maps allow wireless planners to improve predictions of signal attenuation, other radio propagation effects and assist in finding the optimal location of network base stations and other wireless system transmitters. This is required for example by cellular network operators. SPLAT! is an RF Signal Propagation, Loss, And Terrain analysis tool for the spectrum between 20 MHz and 20 GHz. CE RCP is a wireless coverage planning software within ArcGIS Pro environment. The extention for this file is KML. Our maps are based on actual RF propagation, topography, and land cover data. Usually higher K index values suggest propagation will be poor, however sometimes you can pick up new stations. Radio Mobile Create a map of the area of interest 6 days ago · RF prop RF propagation software DXProp DXprop is a radiowave propagation forecast freeware for ham radio operators, permits to predict propagation on 12 frequencies. Dec 28, 2024 · It is used by RF engineers, ham radio operators, mobile communications engineers, and others to help determine placement and effectiveness of antenna structures and repeaters. May 30, 2025 · TowerCoverage Quick Start Guide Quickly Create Tower Coverage RF Propagation Maps for Anywhere in the World! Our simple to use system will allow you to create Tower Coverage maps for any geographical area in the entire world. Map Data Layers – Global map overlay of elevation data, NLCD Land Cover data (U. The Splat! manual Ref. FREE Propagation Tool FREE VHF/UHF Coverage Mapping and Point-to-Point Analysis Tool Test Different Scenarios Create Colorful Maps Answer Questions like… How far is my transmitter signal going to go? How much power for my desired radius? What happens if I change antenna location, or height and gain? Excludes calls starting with Q and 0, typically used for balloon telemetry Images that are saved from Radio Mobile are prepared for use in Google Earth. 2 - Okumura-Hata - 3GPP TR 38. The program enables elevation maps to be drawn of specified areas using downloaded SRTM data from the Space Shuttle Radar Terrain Mapping Mission, elevation contours and road maps to be added, and Radio Units (stations) specified for performance and placed where required. 2. The first one is a general purpose terrain analysis program that will give “quick and dirty Introduction Radio Mobile Online is a radio wave propagation prediction tool dedicated to amateur radio. I hope that this website will be your guide for Radio Mobile and in to the exciting world of radio planning. Mapversa’s RF data product is available at 15 Meter, 5 Meter, and 2. Whether you’re working on VHF/UHF coverage, planning an emergency comms setup, or just experimenting from your QTH, SPLAT! is one of those tools that deserves a spot in your RF toolbox. The metric for this plot is with an Sun Spot Number (SSN) of 150. Choose a Propagation Model When to use the different propagation models based on frequency, type, and limitations. 901 - Combined ITU-R P. 0 performs various coverage prediction for mobile networks: - Received Power - Best Server (Strongest Server) - C/ (I+N) Ratio - Maximum Throughput - Maximum Aggregated Throughput - Area with Signal Mar 15, 2016 · We look forward to working with RFinder to improve RF coverage maps for the world. This is a long distance (DX) propagation map for the Signal-to-Noise Ratio (SNR) of 10 meters at a specific time of day (brighter colors show the day time areas - somewhat sinusoidal) based upon your global location (this is a global map). • RF Propagation Modeling, RF Coverage Maps • Cellular Coverage Maps • WiFi Coverage Maps • Wireless Coverage Maps (receive signal strength, maximum downlink and uplink data-rates, LTE RSRP/RSRQ, etc. Aug 17, 2022 · This MUF map is a useful real-time indicator for HF propagation conditions. It visualizes live band conditions using MUF, SNR, and signal paths across the globe. The RF Line-of-Sight tool allows users to easily drag-and-drop locations and obtain point-to-point line-of-sight information anywhere using Google Maps. Oct 1, 2017 · The 1. Listed under the Software/RF Coverage Mapping category that is about RF Coverage mapping software. The picture was Merged/copy with a Virtual Earth roadmap then forced to greyscale, and a distance scale added to produce: A 'Single Unit' Combined Cartesian plot was then performed on this picture using the Base Unit as 4 days ago · Ionospheric Map The last 7-days ionospheric conditions as observed by a global network of ionosondes is shown on this page. It is a graphical representation of MUF within a 3000-kilometer range, allowing amateur radio station operators to estimate the best frequencies and paths for effective communication. Jan 4, 2024 · In recent years, machine learning (ML) has emerged as a data-driven approach for modeling RF signal propagation, which leverages models trained on synthetic datasets to facilitate RF signal mapping. Determine maximum radio distance and path loss. Splits into two layers F1 and F2 during the day, and only F2 remains at night. An interactive map that shows real time, worldwide VHF activity highlighting enhaned propagation typical to tropospheric ducting. " says Farrant. Unfortunately Jul 14, 2025 · It’s a free, open-source tool for Linux that gives you a surprisingly powerful way to model radio propagation over real terrain. JS writes, “I am doing a very small wireless operation in Catalonia, and it would be very interesting to have the coverage map of the antennas. Here is a way to get a plot of the Fresnel Zone for free. OpenAPI with user friendly interfaces for web, Google Earth and ATAK. This data is extremely useful for ham radio operators and shortwave listeners to help determine whether or not long distance radio communications are possible. The following picture is a Zoomed area from the Base Network in the town of Matlock. Oct 18, 2018 · Splat! Propagation Calculation CBLFT to VE3PKC We can use Splat! to calculate the propagation loss also taking into account any Fresnel zone loses. You will also need to know the frequency that will be using. Radio waves, like light waves and all other forms of electromagnetic radiation, normally travel in straight lines. By using this function the new map is drawn centred on the coordinate that the cursor was put before. 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. So there you go – you’re now on your way to creating professional looking RF coverage maps that can be used to determine how good that proposed repeater site will be that can shared with friends or posted online. AI tools help improve tutorials and build up a simple navigation, a table of contents, sources, a sitemap, and search options. It is possible to perform a Combined Cartesian plot over a zoomed area of the main map. Maps can be created for frequencies ranging from 1MHz to 88 MHz as well as 108MHz to 80GHz. The Propagation Modeling Website (PMW) is a web-based radio frequency (RF) propagation modeling tool that allows other US federal government agencies to benefit from over 50 years of ITS expertise in RF propagation modeling. Better looking maps, faster performing maps, and vector tile caches are just a few of the benefits. It provides amateur radio operators easy access to live charts/maps, banners, ham activity, R-S-G reports, and forecasts. A Geospatial Approach to 5G & Fixed Wireless Expera Online enables users to model radio frequency (RF) propagation in the United States (including all 50 states, the District of Columbia, and Puerto Rico) using defined tower locations and antenna types. Obviously this does not happen all the time, because long - distance communication depends on radio waves traveling beyond the horizon. 528-3 + P. sig Unlike vector maps such as those in the object . It predicts the performance of a 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 power of my transmitter?”, or “what would be the effect on my coverage if I move my transmitter site?”. What communities and/or software systems are there out there approach Radio Propagation Modelling from a GIS point of view? What's your assessment of their GIS "savvyness"? EDIT: This could also be phrased as, where does someone who knows a something about GIS but nothing about radio signal propagation go to learn more? cloud RF is very useful and worth the cost. Any white "bubble" indicates no The program simulates RF propagation and is for free to the amateur radio community. It could support network planning and optimization for the entire range of wireless technologies in DX Propagation Maps: North America - Europe - Australia NZ - Far East Asia Solar Cycle Graphs Ionopheric Propagation Hourly NVIS World Map: Optimum NVIS Frequency Map Based Upon Hourly Ionosphere Soundings ALE Interoperable HF Comm Longley-Rice RF Propagation – Predict received field strength for RF paths and area coverage studies quickly and easily. It is a radiocommunications planning and analysis software tool that allows to easily perform radio signal prediction calculations and broadband systems coverage and throughput modelling within ArcGIS Pro environment. Propagation Prediction Tool This is a propagation prediction program tailored to the serious contester IPS - HF Systems MUF maps and prediction charts These pages provide general propagation advice for HF communicators. This allows the customer to Nov 29, 2018 · You can immediately perform line-of-sight analysis over terrain, visualize the 3D antenna radiation pattern on the map, and generate coverage, communication link, and SINR visualizations. Computations incorporate complex antenna and radar cross section (RCS) pattern data as well as the effects of meteorology, terrain, and countermeasures. There are many online and offline splat map generators around, but one of the simplest and easiest to use is one called Radio Mobile by Roger Coudé. This happens sporadically and thus referred to as Sporadic-E propagation. Below you will find charts showing the live conditions around the Earth for radio propagation as well as atmospheric conditions that can affect Ham Radio usage depending on frequency. Propagation models: - ITU-R P. The index is log based, nine is the highest value. Please send me an email if something doesn't look right. 6 days ago · For a point to point propagation prediction that depicts probabilities for each band and allows for determining the best frequency and best time to make a long distance HF contact, please see VOACAP Online. Operators can filter by band, mode, grid square, or callsign and watch the map auto‑refresh every 60 seconds. 1 day ago · Solar Conditions for Amateur RadioInspiration for this site, along with XML data, is courtesy N0NBH. 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). Only), and MODIS Land Cover data. To facilitate this, ArcGIS Online is utilized for cloud data storage and user management to provide customer-tailored applications for task-oriented workflows. Wavetrace can also compute line-of-site maps for geostationary satellites: Wavetrace is Mar 15, 2023 · The VHF Propagation Path Profiler presented here is a comprehensive application that allows us to graphically render and mathematically compute various relevant VHF/UHF propagation metrics including VHF propagation path losses, over the realistic terrain profile between any two point-to-point locations on the surface of the earth. Tell distances, directions of antennas. This page provides Online propagation tools The RSGB’s Propagation Studies Committee has a number of online tools to help you work out the best band and time to make a contact Propagation tools available RadCom Tools For point-to-point monthly median HF propagation predictions to 28 different locations—some including long path—using user-defined mode, power, antennas. Oct 15, 2025 · Join N4NJJ and the Buffalo Amateur Radio Repeater Association (BARRA) for tonight’s Tech Net on RF propagation maps—fun, practical, and eye-opening! Radio Mobile Online is a radio wave propagation prediction tool dedicated to amateur radio. "Bob contacted me in late February about our API. ) • Site/path mapping (GIS) • Site/path surveys • Detailed RF propagation maps and performance statistics, including annual and worse month availabilities as a function of location 5 days ago · Very high levels occur during geomagnetic storms. Professionally, I’ve used EDX Signal Pro, Motorola Hydra, IBwave and a few others but those are low cost systems (licensing can easily exceed $7,000). Giving you accurate maps in your area! It is based on the ITS (Longley-Rice) propagation model. . Do you know any free (or cheap) tools to do that and place it on Google Earth?” I know of two free Windows tools useful in analyzing radio coverage. E-Layer: Can be charged in a way to reflect RF back to earth. Online RF planning software for cellular, LTE, 5G, mobile, LPWAN, LoRA, DMR, VHF, WiFi and mesh. Ray Tracing for Wireless Communications Ray tracing models predict propagation paths and corresponding losses using 3-D environment geometry and This page contains a dynamic collection of propagation information gathered from many different sources. SPLAT! can predict RF coverage for any frequencies between 20 MHz and 20 GHz. High frequecy and VHF radio propagation data, solar, sunspot, and geomagnetic real-time and historic data, as well as forecasts. DXPulse is a real‑time ham radio propagation map that visualizes DX spots from FT8, CW, and SSB. 6 days ago · Radiomobile is an excellent and very detailed radio path mapping software vhf uhf propagation predictor Nov 30, 2014 · Learn how to create RF coverage maps like a pro in 3 easy steps. So you would find out where on the globe you are located, see what color band you are in Wavetrace is a Python 3. RF Splat Maps An RF Splat Map is a visual representation of how radio signals propagate from a given location based on surrounding typography. dat mapfile. On-line Radio Frequency Propagation Simulation tool that allows you to create coverage maps based on towers, locations, ground and land cover data. Optionally include land cover clutter data and 3D buildings. It was extremely handy for doing quick plots, giving insight into terrain obstacles, and allowing the user to do some quick comparisons of different transmitter sites or power levels. Explore detailed charts on ham radio propagation, current solar and geomagnetic activity, and HF band conditions for amateur radio enthusiasts. SPLAT! this free software is useful for visualizing terrain and performing longley rice path loss and coverage prediction using the irregular terrain model a windows port of the linux based splat by john magliacane . Do you need to study and understand the communication link between a base-station and a mobile phone, or the ability of your transmitter to cover a certain g Nov 14, 2014 · High frequency and VHF radio propagation data, solar and geomagnetic real-time and historic data, as well as forecasts. How radio waves propagate in other than straight-line paths is a complicated subject, but one that need not be a mystery. F-Layer: The highest layer, it is responsible for the best long distance RF propagation. These RF tools are used to set up radio and cell antennas for Oil & Gas applications. RF Propagation and Visualization Visualize coverage maps, SINR maps, and propagation paths in outdoor and indoor environments. Covered areas by SRTM Gray Line Propagation Map Generator (interactive) (coming soon) Sunrise/Sunset and Greyline Calculator by Location (coming soon) 🧰 Transmission Line & Impedance Calculators Coax Loss Calculator (based on type, length, and frequency) Impedance Matching Network Calculator (L-Network) Pi-Network Impedance Matching Calculator in this video, I show you a FREE RF propagation (coverage) map for your GMRS two-way radio repeater or base station! VERY EASY to set up and use!!! Link to Our maps are based on actual RF propagation, topography, and land cover data. DXLook is a real-time HF propagation map built for all HAM radio operators. This page provides Oct 16, 2017 · Step 2: Processing the RF Propagation Raster and Converting to Vector Features There are many benefits to converting RF Propagation data from a raster format to a vector format for your coverage maps. Use Radio Mobile Online to plan repeater sites, optimize simplex range, and more! Instructions on using a simple, fast online VHF/UHF coverage mapping and point to point analysis worldwide (Part of the Nautel RF Toolkit) The Spring 2002 issue of CQ VHF magazine carried an article entitled, " A Computerized Analysis of VHF-and-Above, Free-Space Radio-Wave Propagation " authored by SPLAT! creator John Magliacane, KD2BD, that described some of the inner workings of SPLAT! software, and provided some examples of its use as an RF propagation visualization and RF Propagation and Visualization RF propagation models describe the behavior of signals as they travel through the environment. Medium wave DXers call this "stirring the gumbo", when you hear a different than usual mix of stations. Figure 7 shows the entry menu. This is no problem for general RF propagation calculations. Hata-Davidson – Propagation in 30 – 1500 MHz using Height Above Average Terrain (HAAT) Egli – Simple RF propagation model for gently rolling terrain Path Analysis Modules VHF/UHF Reliability – Estimates link reliability in UHF and VHF bands Microwave Reliability – Estimates microwave link reliability Radio waves, like light waves and all other forms of electromagnetic radiation, normally travel in straight lines. Propagation and Localisation Simulator Python Suite for Radio Channel Simulation Main Features Site Specific Radio Channel Simulator (Rays,Delays,DOA,DOD) Indoor Radio Coverage Human Mobility Simulator for Wearables and WBAN Rich Antenna Patterns Description Indoor Localization Platform Handling of various Radio Standards including Ultra Wideband For over 25 years, SoftWright's Terrain Analysis Package (TAP™) RF propagation software has been used worldwide to design and analyze mission critical wireless communication systems. One of the best tools to forecast HF (high-frequency) propagation is the online map shown below. The overview first covers definitions of propagation environments as they determine most relevant propagation mechanisms to Site and terrain visualization, propagation model specification (including Longley-Rice), signal strength, signal coverage maps, and static and fading channel models Opens a form in order to initiate visual coverage drawing on a map picture Visual coverage can be used for line of sight, radar or interception range. Thanks! Prediction data provided by NOAA Space Weather Prediction Center Last Updated Nov 3 2025 04:09 UTC (1m 52s ago) Site by W5MMW. Our simple to use system will allow you to create Tower Coverage Maps for any geographical area in the entire world. plt format, where the information is coded Radio Mobile Online is a radio wave propagation prediction tool dedicated to amateur radio. A real-time Maximum Usable Frequency (MUF) map reveals HF propagation conditions in the last 15 minutes. 1812-6 - ITU-R P. Nov 30, 2016 · SPLAT! is a cross-platform, open-source software that can be used to analyze a radio link between two locations and to generate coverage maps of RF transmitters. Use Minimuf 3. Calculate RF propagation characteristics based on frequency, power, antenna heights, and distance. cnHeat offers the best-in-class wireless modeling service that supports 5 GHz PMP 450 and ePMP – and 3 GHz PMP 450 in LOS conditions. The maps used in Radio Mobile are a combination of files. This is done by adding a file to the image that holds the geocoded information of the image for use in Google Earth. VOACAP-based ITURHFPROP-based Radcom The 1 arc second data outside of the USA is not public available. 5 package designed to produce radio signal coverage reports, such as GeoTIFF files of signal strength contours, given radio transmitter data and topography data around the transmitters. Whether I will appreciate links to this WEB page, but you are not allowed to show the map/list in your site ! Now you can also receive customized propagation alerts by E-Mail !! High frequency and VHF radio propagation data, solar and geomagnetic real-time and historic data, sunspot activity reports, as well as forecasts. These together make a useable data set in Radio Mobile. 41 in the formula is an expression of the approximate 4/3 earth radius that's used to account for the atmosphere in rf propagation where the variable index of refraction bends the signal toward the earth as it propagates outward. lrp file for the CN Tower transmitter location. x7kw8 ldh5iv1 ena zehwy hwcb k5uevc 79pm ri mdu eizjn