WSPR stands for "Weak Signal Propagation Reporter". It's a computer program which will control your rig to send and receive messages to and from other WSPR stations. 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. The program was created by Joe Taylor, K1JT, it is now open source and is developed by a small team. Ref: https://en.wikipedia.org/wiki/WSPR_(amateur_radio_software)
Using the WSJT-X application (which can be downloaded from here), an actual performance map for your radio and antenna system can be produced through the WSPR website. The system relies on other operators around the world to also be using the system. When they hear you, details of your contact are uploaded to a central WSPR database, likewise, when your system hears somebody else this is also uploaded.
The result is a map of all various contacts that you have made over a set time.
This is very useful for comparing different antenna systems and configurations.
The WSJT-X application will send and receive on its own, so once it's set up and running, you can make a cup of tea and let your PC do all the work. Good stuff.
This page briefly covers how to use the WSJT-X application and WSPR website to test your antenna system.
You'll need to get your PC and radio working together, data mode communication should already be working before you can use the WSJT-X application. Please follow one of the 'Setting up for data modes' tutorials also present on this website for help if this is needed. Once your sound card and PC interface are working correctly, then proceed to the next steps.
Go to the WSJT website and download the latest version of the WSJT-X software: https://www.physics.princeton.edu/pulsar/K1JT/wsjtx.html. Navigate to the download hyperlinks on the page and download the WSJT-X package required for your operating system. Install the WSJT-X application by clicking on the package and follow the on-screen instructions.
You need to set up the WSJT-X application to work with your radio. Go to the settings tab, then configure the General, Radio and Audio tabs as shown below:
When everything is configured, you're ready to start receiving some WSPR data. Select the required frequency band, check that the WSJT-X application has changed the radio frequency correctly. If the application is not able to control your radio, then there is a problem which needs to be fixed.
Click 'Monitor', you should soon see call signs appear in the top of the screen as you receive WSPR data. The information will be uploaded to the WSPR database, more on this later.
When you're happy everything is working correctly, click 'Enable Tx' and 'Tx Next'. Wait a few minutes, and the WSJT-X application should begin to transmit your callsign and other data. Great!
Once you have set up WSJT-X you'll want to see who you can hear, and who can hear you:
Tip: Clicking on a spot on the map will reveal more information about the contact.
Try leaving the WSPR-X system running for a while to get a full picture of the capability of your antenna system.
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