143 – Collision Avoidance with FLARM
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In this episode we talk with Gerhard Wesp, Development Manager Avionics at Flarm Technology GmbH about FLARM, a collision avoidance system for gliders and general aviation. We talk about the history of the FLARM system as well as about newer developments such as the PowerFlarm. Mostly, however, we talk about how FLARM works and how PowerFlarm integrates with Transponders and ADS-B systems.
- Flarm Technology GmbH
- Flarm (WP)
- PowerFlarm
- Use Google Earth flight simulator
- FlightGear Flight Simulator
- See and Avoid (WP)
- General aviation (WP)
- Traffic collision avoidance system (WP)
- Automatic dependent surveillance-broadcast (WP), the free …
- GPS selective availability (WP)
- CE marking (WP)
- FCC Declaration of Conformity (WP)
- LXNAV
- Fault tolerance (WP)
- SCHEMPP-HIRTH
- Lockheed L-1049 Super Constellation (WP)
- ARM architecture (WP)
- Transponder (WP)
- Radar (WP)
- Polar coordinate system (WP)
- Mode C (WP)
- Mode S (WP)
- ICAO address (WP)
- G1000 – Garmin
- SAFEmine
Das Titelbild dieser Episode ist vom Fliegerclub Jena.
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hi, tolle Sendung, viele details und doch klar und auch für nicht Segelflieger verständlich! Kompliment!
ein großes problem ist beim flarm, und ich spreche aus leidvoller Erfahrung, die Unsicherheit, wie gut die Antenne der anderen eingebaut ist. hier wäre eine Möglichkeit der Qualitätskontrolle anzudenken, auf freiwilliger basis. sowas in der art von: mein flamm ist reichweitengetestet Datum, bestätigt vom… ein Aufkleber vorn ..
Das ist eine gute Idee! Wobei das Problem natürlich ist, dass der Aufkleber mix hilft wenn man einen Flieger zu spät sieht :-)
Markus
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Die Möglichkeit die Reichweite zu analysieren gibt es:
http://Www.flarm.com/support/analyze
I have a question regarding radio frequencies. Are all versions of FLARM and PowerFLARM compatible with each other? What happens when a FLARM unit is moved to a country where the spectrum allocation is different?
Hi Rick – The FLARM core determines in which country it is running from GPS, and uses the appropriate frequencies. However, the antennas are tuned to country-specific frequencies, the USA FCC idiotically requires reverse-polarity antenna connections, and USA units have added filtering to suppress interference that reduces effective range. So, FLARM installations differ somewhat across the world. This is why we’re arranging loaner units for USA teams in WGCs (USA units and antennas will work but sub-optimally in Europe). Hope that is clear!
Best Regards, Dave
PS: Sorry to miss you at DB’s…
Thanks Rick & Dave — this is something I should have asked in the episode :-)
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868 MHz is fully free to use (at least in germany)!
see https://de.wikipedia.org/wiki/Short_Range_Devices#Frequenzen
This episode is a hidden gem. I expected something of limited interest (and comprehensibility) for non-glider-pilots like me. However neither was the case; the whole story is fascinating.