![]() ![]() In 2010, a more progressive DVB-T2 standard was already being introduced with more efficient coding of information, therefore, the original novelty did not attract much attention. The launch of the RTL2832U microcircuit for DVB-T digital television receivers did not promise any sensations, because Realtek was already somewhat late with its release. In the latter, the background is well described: Once again about receiving HF on RTL-SDR. #Planeplotter modesmixer2 how to#USB TV tuners on rtl2832 - or how to hear everything on the radio for 600 rubles.Looking ahead, I will say that it turned out to be an almost ordinary RTLSDR receiver - RTL2832U DVB-T (0bda: 2838), called “dongles”, “whistles”, and which are devoted to several articles on Habré that give an idea of these devices and how they have simplified and cheapened the implementation of the reception and processing of radio signals on computers. The cost of the data justifies the “free” distribution of receivers (note the text below the table - the receiver remains in the ownership of Flightaware, formally rented out for free). #Planeplotter modesmixer2 free#Free to where the company does not yet have coverage with its network of receivers and where there is no data. Therefore, at some point companies began to sell and send their receivers for free. But the greatest profit can be obtained from its own receivers, the operation of which the company does not cost anything because they are installed by radarspot enthusiasts, you only need to spend money on manufacturing and shipping. In the same way, the service, which sells flight statuses, statistical data and archives of flights, performs analysis and forecasting for customers - organizations and individual clients.Ĭompanies trade data, both their own and those received, for example, from the US Federal Aviation Administration. If in Europe there is a Flightradar, in the USA - Flightaware, then in China there is a VariFlight. According to some resources, the annual income of Flightaware exceeds $ 9M, and Flightradar - more than $ 2M. For example, Flightaware, founded in 2005, became profitable already in 2006, earning more than $ 1M in the first 18 months, and showing an annual growth of 40-75%. ![]() In fact, having emerged in the early 2000s as a hobby, these companies quickly reached a payback period and each year increase revenue. " The article itself and the title give a false impression of Flightradar as a kind of entertainment service. An example of this can be seen in ru.vikipedii " public web service, allowing real-time monitoring of the position of aircraft in the air. This activity is not only interesting, but has become the activity of several companies:įew people think about what they do for a living and how services like Flightradar work. The receiver receives, transmitted by airplanes, a signal at a frequency of 1090 MHz, decrypts and sends in some format.
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