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| author | Johannes Hofmann <Johannes.Hofmann@gmx.de> | 2008-05-28 22:13:46 +0200 |
|---|---|---|
| committer | Johannes Hofmann <Johannes.Hofmann@gmx.de> | 2008-05-28 22:13:46 +0200 |
| commit | e43a2435717831e1bc60e8c14499d7380cb09afd (patch) | |
| tree | 41e761bad044af4545025bc69cffe446b4c1c6de /README | |
| parent | f57cda04dfe66389d5c19c392423cfcb6057cd5d (diff) | |
add note about refraction to README
Diffstat (limited to 'README')
| -rw-r--r-- | README | 8 |
1 files changed, 8 insertions, 0 deletions
@@ -125,6 +125,14 @@ not shown by default, but you can enable the display of hidden objects using the Option->Show Hidden menu entry. Hidden objects and hidden GPS way points are displayed in blue. +Refraction +========== + +Refraction caused by temperature and density gardients in the atmosphere is +taken into account according to the approximation described by Tom Chester in: +http://tchester.org/sgm/analysis/peaks/refraction_calculation.html +under the assumption of a temperature change of 6.5°C per 1000m and a +temperature T0 at view point level of 10°C. Stitching ========= |