Re: Mini lathe 7 x12 14 8 shop drill press mill wood working sextant clocks gear milling equipment engine tractor rebuilding repair GPS vs SEXTANT Navigation
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Depends on your distance from the equator.?
Changes in latitude, changes in attitude.
On 15-Feb-25 10:28, davesmith1800
wrote:
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Try this
for time and earth 360°
& try
this for time at different Latitudes
?
One
hour is 1020 miles
?
how
about one minute
At
0° = 17 miles in minute
at
35° = 14 miles in minute
at
65° = 7.2 miles in minute
?
.
how
about one second
?
At
0° = 0.28 miles in second
at
35° = 0.23 miles in second
at
65° = 0.12 miles in second.
?
35°
0.8192
65°
0.4226
?
If
your time is off 5 minute 35° you are 70 miles off
?
Dave
?
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Jerry Durand