Introduction to ModeSAll the products make use of ModeS/ADS-B data transmitted at 1090 MHz. Any feedback on this document would be most welcome and can be posted on the Radarspotters forum. Whilst every effort has been made to verify the information in this document, it may contain errors and/or omissions which will be immediately corrected where appropriate. All trademarks are acknowledged as belonging to their respective owners. Finally, this isnt meant to be a recommendation or endorsement of any product and the author cannot accept any responsibility for any consequences resulting from use of this document. Forums are often a good place to compare customer feedback and ask questions. Try and gauge the build quality and reliability of the receiver as well as product support. Please visit the manufacturers websites and forums and supplier independent ones such as Radarspotters. Ideally each product should be taken for a test drive, either at a dealer or with a friend. Prospective purchasers should not rely entirely on this Guide. The Aurora Eurotech information has been provided by the supplier and has not been independently verified. Where possible, the feature lists have been verified with product suppliers and customers. This high-level comparative Guide is intended to help potential purchasers understand the differences between each product and the associated software. A fourth, the Aurora Eurotech, had been announced but not release. 13Īt the time of writing (March 2010) there are three hobbyist virtual radar receivers on the market. The original Check-List and other Guides can be found on the Radarspotters Forum at:ĬontentsIntroduction to ModeS.
Data like fight numbers comes from other licensed sources MLAT triangulation is done at FR24's end telemetry data for areas without community ADS-B coverage comes from partnerships with radar operators, airports (and soon satellite, when Aireon is active) etc.This Document is CopyrightedIt may not be reproduced or distributed without the prior permission of the author. What many people don't realise is the data you see on FR24 is not simply derived from ADS-B broadcasts. Also (as is the case with flight aware), all users providing ADS-B data get free subscriptions to the paid for parts of FR24s service.īuilding an app, maintaining a website (that has something like 2 million daily users iirc) and building out backend infra to support the huge amount of incoming data and turn it into something greater than the sum of its parts costs money. There's nothing stopping you feeding your data to other sites/apps. "Data monopoly" implies FR24 have exclusive use and control over the ADS-B feeders.
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