It is also interesting to see how long it takes to spot 100 different countries. Many of the monitoring stations like to use this for bragging rights. You will need to pick a 'callsign' to send in reports under - pick something with your country prefix on it, such as W/SWL/BOSTON for US, shortwave listener in Boston. All that is needed is an antenna, a radio and a computer, and you can start monitoring. Also, you don't need to have an amateur radio license to participate. This approach is different to some other propagation reporting tools, and has the advantage that adding more monitoring stations provides better coverage without consuming any bandwidth. Note: This system does not transmit any signals over the air, it just makes use of existing signals that are being transmitted by people calling CQ. If this is interesting to you, then please contact me at the email address below to see if there is a client for your digital mode decodingĪpplication, or you can contact the author of your package directly, and point him at this page. There also a page of statistics about the project. There is a map display of this information. That make use of this data in their investigationsi - typically verifying that licensedĪmateur radio operators are abiding by their licenses. These recordsĪre also maintained for legal purposes as there are multiple government licensing authorities Of reception records that is being used for ionospheric research purposes. This can be useful in determining propagationĬonditions or in adjusting antenna and/or radio parameters. Minutes) see where his signal was received. The way that this would be used is that an amateur would call CQ and could then (within a few You do still need toĬall CQ in order for your signal to be reported.
The rules for protocols like FT8 are different as the callsigns are protected by error correction.
The duplicate check is to make sure that the callsign is notĬorrupted. This is of interest to the amateur who transmittedĪdn they will be able to see where their signal was received. Run a client that will monitor received traffic for callsigns (the pattern 'de callsign callsign') and, when seen, will report this fact. The way that it works is that many amateurs will
Make those records available in near realtime to interested parties - typically theĪmateur who initiated the communication. This started out as a project to automatically gather reception records of digimode activity and then
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