On 2/19/2011 8:09 PM, Bob- W7LRD wrote:
> How does one determine the age of the keps in a computer?
I guess that depends on what you are trying to look with. I use Nova
for windows and it will tell how old the keps are for the selected
satellite by selecting AutoTracking > Summary. That resul
Open the keps file and look at the first line of data for a given satellite.
The 3rd number group (the first one with a decimal point in it) is the
"epoch time" - the date & time when the orbital parameters were calculated.
The first 2 digits are the year, the next 3 are the Julian date (day # o
Bob,
In SatPC32, click on "Satellite" and at the bottom of the window is says "File
Date" with the date of the set.
73
Glenn AA5PK
Bob- W7LRD wrote:
>
I should have been more specific. I run SatPc32 in two computers. The one
that runs LVB has ISS about 40 min behind the other computer
Bob,
ISS being the odd one is the clue. It is the only object whose orbit is
often reboosted. Usually the problem comes about if you are using the AMSAT
weekly distribution. Note that you can update the NASA.ALL file and it will
give today's date, but the data may be as much as a week old. You