htEngage = CloudFreeHT(hp,rd,[CloudFreeAlt],[EarthRadius])
Computes the altitude at which there is a clear line of sight from the platform to the target given a downrange along a spherical Earth and an altitude of the cloud tops.
Parameters |
Description |
hp [vector] |
Platform altitude (m). |
rd [vector] |
Down range (m) |
CloudFreeAlt [scalar] |
(Optional) Altitude of cloud tops (m) - defaults to 10000 m. |
EarthRadius [scalar] |
(Optional) Earth radius to use (m) - assumes spherical earth and defaults to WGS84 mean earth radius. |
Return Values |
Description |
htEngage [vector] |
Target altitude for cloud-free engagement (m) |
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