Radio signal propagation software for ham

Voacap voice of america coverage analysis program is free professional highfrequency hf propagation prediction software from ntiaits, originally developed for voice of america voa. Ham radio digital modes software list and descriptions. 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. The radio signal path loss may vary according to the weather conditions. It is a protocol, implemented in a computer program, used for weaksignal radio communication between amateur radio operators. The reporting client is now integrated into the current version of dm780 part of ham radio deluxe. To help you be in the right place at the right time, propagation prediction programs are available. Department of commerce ntiaits institute for telecommunication sciences high frequency propagation models. The program requires the previous installation of the voacap application. Its ideal for the ham radio operator, shortwave listener, or other radio enthusiast. The fast track to understanding ham radio propagation. This data is extremely useful for ham radio operators and shortwave listeners to help determine whether or not long distance radio communications are possible. A portal that hams think of as the first place to go for information, to exchange ideas, and be part of whats happening with ham radio on the internet. It uses digital terrain information and a mathematical.

Propagation of rf signals american radio relay league. Ham radio digital modem application fldigi is a modem program for most of the digital modes used by radio amateurs today. To retrieve your new key, visit the following website to check for your replacement key. The protocol was designed, and a program written initially, by joe taylor, k1jt. The wsjt screen has been designed for amateur radio moonbounce, eme and as and even provides moon direction information. Ham radio propagation software free download ham radio. Wsjt is an ideal and the most widely used format for ham radio eme moonbounce contacts. Youll find these references to be just what you need while learning to. Wspr weak signal propagation reporter, whisper is designed to monitor propagation paths on the mf and hf bands. Predicting propagation in ham radio with voacap online dummies.

Dx toolbox searches the web for you, gathering information on solar and geomagnetic conditions that affect radio propagation. The software is open source, and the data collected are available to the. High frequency hf propagation models 230 mhz irregular terrain model itm longleyrice 20 mhz 20 ghz if77 wave propagation model gierhartjohnson airground millimeterwave propagation. Wsprnet the weak signal propagation reporter network is a group of amateur radio operators who use opensource software to test propagation conditions using very lowpower transmissions.

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. The program is designed for sending and receiving low. A sdr receiver can be as simple as this rtlbased sdr. Ionospheric propagation is the main mode of radio propagation used in the mf and hf portions of the radio spectrum. The small sdr hardware pictured above is an entrylevel unit. Software is now open source and is developed by a small team. Ham radio deluxe software the radio amateurs best asset. Radio propagation radio propagation is the study of how radio waves travel from a transmitter site to a receiver site through the atmosphere.

Awardwinning ham radio author michael burnette, af7kb, takes you on a journey through every form of radio wave propagation, from ground waves to propagation in outer space. It takes care of all the signal processing otherwise normally done by electronic circuitry in. 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. The software is open source, and the data collected are available to the public through this site. Hflink hf automatic link establishment hf ale hf network. The ham radio receiver of the 21st century is mostly software. It is a protocol, implemented in a computer program, used for weaksignal radio.

For communications within 300 kilometers to use the map, locate the map for your location and click on it. Ham radio deluxe software radio amateurs best asset. Low readings, especially in the a range, generally indicate good. Dx toolbox shortwave ham radio hf radio propagation dx toolbox searches the web for you, gathering information on solar and geomagnetic conditions that affect radio propagation. Operating on the highfrequency hf ham radio bands can be very exciting as conditions change around the world. Moonbounce eme propagation for ham radio electronics notes. As a form of electromagnetic radiation, like light waves, radio waves are affected by the phenomena of reflection, refraction, diffraction, absorption, polarization, and scattering.

Sites for checking signal propagation and band activity. This workinprogress guide should get you well started with the software. A 12wave vertical has 1 db more gain than a short vertical. Demystifying hf radio propagation and modeling check out the acehf propagation software the latest is version 2. I worked some eme earthmoonearth, or moon bounce during those days back in the 70s and early 80s. Usable hf frequencies page refreshed every 20 minutes use the indicated color red, yellow, green, blue, white, etc. Welcome to the weak signal propagation reporter network. In a typical application integrated with ham cap, the user will rightclick on a callsign, and ham cap will pop up and display the pointtopoint propagation chart. The lower the readings, the better hf shortwave propagation conditions are. Wsjtx weak signal communication, by k1jt offers specific digital protocols optimized for eme moonbounce, meteor scatter, and ionospheric scatter, at vhfuhf, as well as for lf, mf, and hf propagation. 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. Wsjt weak signal joe taylor mode provides several modes optimized for meteor scatter, troposcatter, or eme earth moon earth, moonbounce communication.

Wspr is a very weak signal digital mode protocol that uses very little bandwidth, but is. 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. Integrated software for logging, rig control, digital modes, satellite. This makes it a painless operation to install and use. 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. 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. Irregular terrain model itm longleyrice 20 mhz 20 ghz if77. Solar weather, sunspot activity, geomagnetic, aurora, ionospheric reports via. Animated communications effectiveness for high frequency software. It is a complex subject where many variables of nature come into play.

The program can decode fractionofasecond signals reflected from ionized meteor trails and steady signals more than 10 db below the. You will have to click on the ant tab in order to select the appropriate antennas, and verify the antenna patterns. Jan 14, 2019 awardwinning ham radio author michael burnette, af7kb, takes you on a journey through every form of radio wave propagation, from ground waves to propagation in outer space. Radio signals are affected by terrain elevation between the sites, and obstructions, including trees, buildings, etc. This page contains a dynamic collection of propagation information gathered from many different sources. Voacap voice of america coverage analysis program is free professional. Acehf is propagation forecasting and modeling for amateur radio as well as for shortwave radio listening and general hf operation. Normally the js65 variant within the wsjt software suite is used and this provides some considerable advantages. This software by roger coude ve2dbe predicts the performance of vhf and uhf radio systems. The program can decode fractionofasecond signals reflected from ionized meteor trails and steady.

High frequency and vhf radio propagation data, solar and geomagnetic realtime and historic data, sunspot activity reports, as well as forecasts. The online prediction service voacap online is easy. Rosenberg ab9mz presented 20170204 updated 20170312. It is mainly used by the hamradio operators to set up various radio beacons for different purposes, mostly for radio waves propagation discoveries. Dx toolbox shortwave ham radio hf radio propagation. To build the largest and most complete amateur radio community site on the internet. They include spectrum analyzers, satellite tracking programs, morse code trainers, dx atlases. The current release version of ham radio deluxe is v6. Predicts ionospheric skywave propagation between any two locations on the. Aug 08, 2011 wspr stands for weak signal propagation reporter.

Youll find these references to be just what you need while learning to navigate the radio bands and make contacts. Any white bubble indicates no suitable frequency or high absorption. I have always had an interest in the vhfuhf weak signal segment of our ham radio hobby. The color frequency at your location is the optimum frequency for f2 layer nvis communication. At high microwave frequencies radio path loss increases as a result of precipitation or even moisture in the air. Ham cap is a free hf propagation prediction tool for amateur radio. This is a great piece of software that can be used to check how far out your signal can carry. My mfj259 hfvhf swr analyzer required yet another repair to its internal battery holders. The ace method shows a sequential series of coverage maps. This is a radio frequency propagation calculator for the transmission path between an rf transmitter and a receiver. It is a protocol, implemented in a computer program, used for weak signal radio communication between amateur radio operators. Wsprnet welcome to the weak signal propagation reporter. This introduction is taken from joe taylor k1jts wspr 2. Acehfs advantage is that the effects of the days passage may be easily understood.

Radiofrequency spectrum is extremely wide, starting at elf, vlf, lf and going all the. 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. This is a list of my vhfuhf century club program vucc totals. Wspr spreek uit als whisper is een computerprogramma gebruikt voor zwaksignaalradio communicatie tussen. The radio signal attenuation is more pronounced for the higher frequency mobile bands. Institute for telecommunication sciences resources radio propagation software radio propagation software. Radio mobile online online rf propagation simulation software. 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. If youve thought propagation is a lot like the weather you can talk about it, but theres nothing you can do about it. Wspr pronounced whisper stands for weak signal propagation reporter. Predicting propagation in ham radio with voacap online. Dxprop is a radiowave propagation forecast freeware for ham radio operators, permits to predict propagation on 12 frequencies.

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. It uses 4fsk modulation and strong viterbi fec encoding for robustness even in weak signal or poor propagation conditions. Understanding the effects of varying conditions on radio. Back in my younger days i worked a lot of 50 mhz, 144 mhz, 220 mhz, and 432 mhz.

Software ac6vs amateur radio and dx reference guide. My favorite ham radio software hamfesters radio club gregory d. A sample automation code is provided in the programmers corner section. The weak signal propagation reporter network is a group of amateur radio operators.

When paired with free sdr software running on a pc, it can serve as a beginners ham radio receiver or as a. If youve thought propagation is a lot like the weather you can talk about it, but theres nothing you can do about it think again. Jun 06, 2009 a video about a software tool for radio amateurs called wspr or weak signal propagation reporter which is commonly referred to as whisper. Current sunspot cycle activity, space weather, solar storm. A video about a software tool for radio amateurs called wspr or weak signal propagation reporter which is commonly referred to as whisper. Whether any radio blackouts affecting hf and shortwave propagation are in progess current xray flux readings from the goes10 and goes12 satellites. It is called a software defined radio or sdr for short. If youre new to ham radio, these articles contain information that new ham radio operators should keep handy while gathering experience.

This software is even used by the military and other clients around the world. Cw, psk, mfsk, rtty, hell, dominoex, olivia, and throb are all supported. Many are free, such as the hamcap software from alex shovkoplyas ve3nea. Weak signal communication, by k1jt offers specific digital. 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. The study of principles of propagation of electromagnetic waves and acquiring a reasonably good working knowledge of radio propagation go a long way in enhancing the quality of onair experience for any amateur radio station operator. Wsjt weak signal communication, by k1jt offers specific digital protocols optimized for meteor scatter, ionospheric scatter, and eme moonbounce at vhfuhf, as well as hf skywave propagation. They include spectrum analyzers, satellite tracking programs, morse code trainers, dx atlases, cat, multimode decoders, and other logging programs. A comprehensive propagation resource compiled by tomas hood, editor of the propagation columns of cq, cq vhf, popular communications, and monitoring times magazines.

No space weather storms were observed for the past 24 hours. V4 is a sound card digital protocol optimized for keyboard operation over high frequency ham radio. Acehf professional propagation software for hf radio operators. Review of propagation prediction programs voacapbased. The wspr software is designed for probing potential radio propagation paths using lowpower beaconlike transmissions. The software called sdrmax that transforms the iq signals from the sdr into useful outputs. The need for software learning aids is especially true for those who do not have access to courses given by their local ham radio club.

Acehf stands for animated communications effectiveness for hf radio propagation, a coverage display technique originally developed for u. Dxprop dxprop is a radiowave propagation forecast freeware for ham radio operators, permits to predict propagation on 12 frequencies. Radio mobile rf propagation simulation software radio. Radio mobile online is a radio wave propagation prediction tool dedicated to amateur radio. It can help calibrate a sound card to a time signal and do frequency measurement tests.