Re: [amsat-bb] Analysis of AO-40 Telemetry From BipropellantEngine Burn Attempts

["Richard D. Burgan" <wc8j@xxxxxxxx>]

Jon,
You are correct they did say 3 minutes.   I made an error in stating 3
seconds.   It should have been 3 minutes.  However, in checking to be sure I
took another look at the telemetry and found: For the second burn the valve
opened at 16:04:13 and closed at 16:07:22 a period of 3 minutes and 9 seconds.

Now, I'm wondering how long the burn was supposed to be.

73's de Rich, WC8J
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Jon Ogden wrote:

> on 12/20/00 8:23 PM, Richard D. Burgan at wc8j@raex.com wrote:
>
> > However, command stations indicated
> > that the
> > thrust period was about three seconds longer than expected.
>
> You said three seconds.  I thought that AMSAT-DL said it was three minutes?
>
> What's the correct time unit?
>
> 73,
>
> Jon
> NA9D

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