Lynn McGuire <
lynnmcguire5@gmail.com> wrote:
Shooting down thousands of Starlink satellites is infinitely harder that >shooting down 31 GPS satellites.
Unfortunately they aren't so stable, what with being in LEO. But better
than nothing.
And, there is no backup for the current GPS system.
https://en.wikipedia.org/wiki/Global_Positioning_System#Backup_system
Well, there are Galileo and GLONASS. And they still teach C5 navigators
how to use the sextant although I don't know how many still remember it
from school.
My ex continues to use pilotage by road maps for cross-country flights.... --scott
--
"C'est un Nagra. C'est suisse, et tres, tres precis."
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