On Wed, 12 Dec 2012 23:03:45 -0000, Vivian wrote in message <001201cdd8bc$f5eb6b30$e1c24190$@lineone.net>:
> Don't we need radar altitude for buildings etc. for radar > altimeters, but probably not trees? ..at some stage, tree canopies will be dense enough to mask the ground, or give "double reflections", or some such. > A radar altimeter needs to sample both the terrain and "hard" objects > on it. ..tree canopies dense enough to mask the ground, are probably hard enough to make radar vendors scare their clients from touching or ignoring them. -- ..med vennlig hilsen = with Kind Regards from Arnt Karlsen ...with a number of polar bear hunters in his ancestry... Scenarios always come in sets of three: best case, worst case, and just in case. ------------------------------------------------------------------------------ LogMeIn Rescue: Anywhere, Anytime Remote support for IT. Free Trial Remotely access PCs and mobile devices and provide instant support Improve your efficiency, and focus on delivering more value-add services Discover what IT Professionals Know. Rescue delivers http://p.sf.net/sfu/logmein_12329d2d _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
