Astronomy Site: Meade Advanced Products Users Group Archive: Re: [M]: LX200 internal clock, cont'd


 

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Subject: Re: [M]: LX200 internal clock, cont'd
From: Bill Arnett
Reply To: mapug@shore.net
Date: Thu Apr 02 16:29:01 1998

While you're here, how about checking out the Astronomy Book List ?

At 8:22 AM -0800 4/2/98, Bill Ezell wrote:
>...
> We needed the processor power for all the real-time ALT-AZ calculations,
> which happen as often as 15 times a second (even in Polar Mode). It is
> actually pretty busy!

Interesting. This may seem silly now but I bet it made a lot of sense at
the time. Of course, a modern CPU would have no trouble with this but in
those days another clock chip was a lot cheaper than a faster CPU!

At 12:39 PM -0800 4/2/98, Bob Elliott wrote:
>At 11:22 AM 4/2/98 -0500, you wrote:
>>I got an interesting bit of email about my investigations into the LX200
>>clock.
>>I'm posting it here (with permission):
>>
>> Bill,
>>
>> I happened to see your message from MAPUG and thought I'd throw in my two
>> cents worth.
>>
>> I am the guy who designed the LX200 before I retired from Meade. (But
>> remember, that was 6 years ago and this is all from memory :-) )
>Wouldn't it be fun to get Ron Ezra in a roon at a star party and have a
>question and answer session? No bad mouthing Meade - just questions.

Oh yes! I would pay big money to be in that room :-)

If we promise to be good is there a chance you might participate on MAPUG,
Ron?

---
Bill Arnett "Science is a way of trying
San Jose, CA USA not to fool yourself." -- Feynman



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