Openvario
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| ==== Introduction ==== | ==== Introduction ==== | ||
| - | The invention of [[http://flarm.com/|FLARM]] was one of the most important innovations in gliding within the last decades. Today nearly all gliders are equipped with FLARM, which was primarily designed as an avionic anti collision system. But there are more benfits than the pure anti collision warning: many cross-country pilots use FLARM to see how other gliders climb. This functionality is often called "FLARM-radar", which is supported by several flight computers and software. XCSoar also supports the FLARM-radar. If you are on cross country flight and you want to know how others climb in front of you, a good FLARM-antenna is the first choice. Unfortunately the often used toothpicker-antenna has a poor directivity. With a well designed, more directive antenna you can double your forward-looking range. If you are unsure about your glider's FLARM-performance, you can test your actual range here: [[http://flarm.com/support/tools-software/flarm-range-analyzer/|FLARM range analyzer]]. You need an igc-file, downloaded from your FLARM, to see if your range is acceptable. If not, time to build a new FLARM antenna... | + | The invention of [[http://flarm.com/|FLARM]] was one of the most important innovations in gliding within the last decades. Today nearly all gliders are equipped with FLARM, which was primarily designed as an avionic anti collision system. But there are more benefits than the pure anti collision warning: many cross-country pilots use FLARM to see how other gliders climb. This functionality is often called "FLARM-radar", which is supported by several flight computers and software. XCSoar also supports the FLARM-radar. If you are on cross country flight and you want to know how others climb in front of you, a good FLARM-antenna is the first choice. Unfortunately the often used toothpicker-antenna has a poor directivity. With a well designed, more directive antenna you can double your forward-looking range. If you are unsure about your glider's FLARM-performance, you can test your actual range here: [[http://flarm.com/support/tools-software/flarm-range-analyzer/|FLARM range analyzer]]. You need an igc-file, downloaded from your FLARM, to see if your range is acceptable. If not, time to build a new FLARM antenna... |
| ==== Antenna Description ==== | ==== Antenna Description ==== | ||
projects/flarm-hb9cv.txt ยท Last modified: 2017/05/31 17:13 by dieters
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