Weak signal propagation reporting wspr with the limesdr mini. Wspr is a software application written by joe taylor, k1jt, a nobel prizewinning princeton physicist. Wspr implements a protocol designed for probing potential propagation paths with lowpower transmissions. Welcome to the weak signal propagation reporter network. Gridtracker is a live mapping program for wsjtx which is a software decoder for low power weak signal ham communications modes such as ft8, jt4, jt9, jt65, qra64, iscat, msk144 and wspr. The 30 meter band at a glance the 30 meter band at a glance note. Wsprs biggest selling point is you can do it on the cheap. 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. Introduction to fsqcall zl2afp fsqcall software zl1bpu fsqplot software. Wspr weak signal propagation reporter from a pi zero. The data is provided by the wspr weak signal propagation reporter pronounced whisper system which is designed for probing radio propagation paths using lowpower beaconlike transmissions from radio amateurs.
It is a protocol, implemented in a computer program, used for weak signal radio communication between amateur radio operators. To use these longer distance maps below, locate a map for the city nearest your location and click on it. Wspr stands for weak signal propagation reporter, but its pronounced whisper quite an appropriate name as it is all about sending and receiving signals that are barely audible. Normal transmissions carry a stations callsign, maidenhead grid locator, and transmitter power in dbm. 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. Wsjtx quick start guide amateur radio tips and howto guides. Software for amateur radio weaksignal communication. This program is designed for sending and receiving lowpower transmissions to test propagation paths on the mf and hf bands. Voacap voice of america coverage analysis program is free professional highfrequency hf propagation prediction software from ntiaits, originally developed for voice of america voa. Wspr is not a qso communicatewith mode, explains kempton park amateur radio technology societys stewart moss in an introductory paper.
Here we take a look at what wspr is and demonstrate how easy it is to transmit wspr from a raspberry pi zero w. Wspr signals convey only a callsign, maidenhead grid locator and power level. A video about a software tool for radio amateurs called wspr or weak signal propagation reporter which is commonly referred to as whisper. The radio mobile online application produced this combined coverage map for the west coast 2 meter wspr study group stations. Wspr signals are usually less than 5 watts and are useful to get real time feedback on propagation, and antenna efficiency. Its a computer program which will control your rig to send and receive messages to and from other wspr stations.
The spot database, spot map, activity list and forum are on the wsprnet site. The protocol was designed, and a program written initially, by joe taylor, k1jt. Hamcap hf propagation prediction tool for amateur radio. The software to decode and the transmit software too is free and open source. Our simple to use system will allow you to create tower coverage maps for any geographical area in the entire world. Wspr is a software application written by joe taylor, k1jt, a nobel. Dxplorer uses data freely provided by our thanks to them. Radio signals are affected by terrain elevation between the sites, and obstructions, including trees, buildings, etc. It was developed at the jet propulsion laboratory for modeling stellar coronagraphs, but it can be applied to other optical systems were diffraction propagation.
Wsprnet website lists wspr interactions by call sign, grid location, time, and provides a map of spots in near real time. Preliminary results by charles preston kl7oa 3312009 v 1. Welcome to the weak signal propagation reporter network wspr. Jan 06, 2015 the wspr beacon app is made to send wspr signals using your android smartphonetablet as a signal source. It looks kind of interesting to me to use as a way to look at what your antenna may be doing on different bands. We also thank the hundreds of people who operate wspr. This new software, known as wsjtx is available as a standard. This is a great piece of software that can be used to check how far out your signal can carry. Software propagation refers to the changing existing application code and spreading copies of the altered code to other users. This makes wspr great for lowpower sdr experiments. Hf signal propagation psk reporter, pskjt65ft8cwjt9.
It will also provide an archive of reception records that can be used for research purposes. Weak signal propagation reporter wspr software does anyone use the wisper wspr software with their k3. Vhf propagation map this map shows realtime radio propagation from stations operated near 144 mhz. Ham weak signal propagation reporter wspr software. Digimode automatic propagation reporter this started out as a project to automatically gather reception records of digimode activity and then make those records available in near realtime to interested parties typically the amateur who initiated the communication. K1jt wspr wsprnet the fsqcall and fsqplot software are available from the zl1bpu website. Implements a panoramic, polarizationmatching receiver for jt65. All you have to do is use the audio out of it and pair it with the audio in of your rig and set it to vox. 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.
Usable hf frequencies page refreshed every 20 minutes use the indicated color red, yellow, green, blue, white, etc. It uses data gathered by automatic packet reporting systeminternet service aprsis from packet stations in the amateur radio service. The raspberry pi generates the wspr signal in software and utilizes timing data from the internet to calibrate its internal clock and transmit frequency, so you dont have to do it. Buy wsprlite classic antenna performance analysis system. Wsjtx quick start guide amateur radio tips and howto. Pronounced whisper, wspr was designed to map out radiofrequency propagation. I have a wspr lite flex beacon running concurrent with a pcreceiver running wsjtx and all i need to do is glance at this app to see the conditions. Experimental version of wspr, including the slow mode wspr 15.
Our maps are based on actual rf propagation, topography, and land cover data. Qradiopredict is an experimental software for vhfuhf propagation prediction and radio coverage analysis. Normal transmissions carry a stations callsign, maidenhead grid locator, and. High frequency hf propagation models 230 mhz irregular terrain model itm longleyrice 20 mhz 20 ghz if77 wave propagation model gierhartjohnson airground the u. We are secondary users of the 30 meter bandthe following information is not official, but based on observations. This workinprogress guide should get you well started with the software. Proper is a library of routines for the propagation of wavefronts through an optical system using fourierbased methods. Wspr implements a protocol designed for probing potential propagation paths with lowpower.
Whisper wspr and other weak signal softwares gateway. 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. I will appreciate links to this web page, but you are not allowed to show the map list in your site. Jt65 signals in a passband up to 90 khz wide, producing a sorted band map of decoded callsigns. Weak signal propagation reporting wspr with the limesdr. Wsprnet website lists wspr interactions by call sign, grid location, time, and provides a map. It is a protocol, implemented in a computer program, used for weaksignal radio communication between amateur radio operators. Wspr pronounced whisper stands for weak signal propagation reporter. Users with internet access can watch results in real time at wsprnet. Wspr whisper or weak signal propagation reporter software. Wsprnet will be transitioning to an alternative mapping solution as soon as possible.
The wspr software and operating hints are available from the k1jt website. Send formated dx spots indicating clearly both locators and the type or. There is a very similar site for the wspr protocol called. You may not use this map list in your own web pages. Wspr stands for weak signal propagation reporter, but its pronounced whisper quite. Radio mobile rf propagation simulation software radio. Hf propagation maps software free download hf propagation. This video is the fourth in a series about propagation beacons. Currently it works on linux and windows 32 bit vista tested.
If you are planning on a dxpedition, consider adding an interactive propagation map to your web site see example. 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. The maps will be stored in the \gifs subdirectory of the hamcap directory. Wsprnet welcome to the weak signal propagation reporter network. This can be useful in determining propagation conditions or in adjusting antenna andor radio parameters. The wspr software is designed for probing potential radio propagation paths using lowpower beaconlike transmissions. Hamcap will create a set of gif files, with hourly propagation maps for each band. Annoying delays accessing the database are caused by lockups at. The color at that distant location point determines the best frequency to use. The weak signal propagation reporter is a system designed by joe taylor, k1jt, a nobel laureate, to study hf propagation. In this video i show how to get started using the wspr 2. Amateur stations can be wspr transmitters beacons, or receivers spotters or both.
Software is now open source and is developed by a small team. Probe potential propagation paths using lowpower transmissions. Statistics comments to philip gladstone online discussions reception records. Resources listed under rf coverage category belongs to software. So join the group of whispering raspberries on 30 and 40 meters by ordering a tapr 30m or 40m wsprpi today. Wsprx weak signal propagation analysis on os x mac ham radio. Hflink hf automatic link establishment hf ale hf network. Institute for telecommunication sciences resources radio propagation software radio propagation software. Software defined radios got my attention as they are very universal, and you can do. We also thank the hundreds of people who operate wspr receivers around the world you make it all possible. Ur3rm was using a mode called wspr for weak signal propagation reporting. Experimental version of wspr, including the slow mode wspr15. The wspr propagation reporter system was conceived and devised by professor joe taylor k1jt dxplorer uses data freely provided by our thanks to them.
Resources listed under propagation prediction category belongs to software. Love to see a paidinapp buy version with some extra controls. Click the search wsprnet button in the panel above or hit enterreturn. Hf propagation maps, free hf propagation maps software downloads, page 2. Acehf propagation prediction software professional pc software for hams that uses voacap and includes area coverage maps animated by time or frequency. Map display digimode automatic propagation reporter. Jan 22, 2015 wspr weak signal propagation reporter pronounced whisper is designed for probing radio propagation paths using lowpower beaconlike transmissions. The results are then plotted on a map to show you how far you have been heard and how far you can hear other stations. It was originally defined at the first international gnu general public license version 3 gplv3 conference in 2006 to prevent gnu software from being covered under any nations law. The software is open source, and the data collected are available to the. The night map overlay position can be set to the time of any spot. Now you can also receive customized propagation warnings by email you can help generate this page. You may watch the wspr results in real time at wsprnet wspr whisper or weak signal propagation reporter software dowloads for windows at wspr 2.
The wspr propagation reporter system was conceived and devised by professor joe taylor k1jt. It looks kind of interesting to me to use as a way to look at what your antenna may be doing on. The software is open source, and the data collected are available to the public through this site. The program can decode signals with sn as low as 28 db in a 2500 hz bandwidth.
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