another email virus to watch for

[kinmel]

Register says to watch for Subject: "Here you Go"  or "Here you have"

[Rik]

I think I'm giving up email and going back to morse code. 

[JB]

....  .  .-.  .    -.--  ---  ..-    --.  ---

[Rik]

  I think.

[Ray]

.-.. .. -.- . - .. ... -.-- --- ..- -- . .- -. 

[Baz]

geeks     

[Rik]

You can always tell the former Boy Scouts, can't you.

[Ray]

Not me, Rik, I got it from here 

[Rik]

Looks like you had a sticky key, Ray.

[Ray]

Sausage fingers, I think, Rik,

[Rik]

Who's were they, DR or one of our new companies?

[Ray]

Supreme Sausages, Rik,

[Rik]

 

[JB]

You can always tell the former Boy Scouts, can't you.

I had to learn it for my chosen carear. Not that it's of much use these days with satnav and inertial navigation.

[Rik]

Inertial navigation. Is that getting me to walk in a straight line?

[Glenn]

Inertial navigation, I had weeks on end learning the theory behind it  

[Rik]

Care to do a quick summary?

[JB]

Care to do a quick summary?

How long have you got?

[Rik]

As long as it takes.

[JB]

As long as it takes.

OK. Here's a starter:-

http://www.ehow.com/about_5900085_inertial-navigation-system-theory.html

[cavillas]

...---... I give up, help.

[Rik]

The St Bernards is on the way.

[MisterW]

I had weeks on end learning the theory behind it

Weeks!!, how come. Basically, as long as you know where you started from, you accurately measure acceleration in all three directions,
integrate it a couple of times to get speed and then distance and Robert's your not too distant relative. Simples
Ok, so its not really that simple, you've got to measure acceleration VERY VERY accurately otherwise the drift ( error in distance calculated ) is large.
Most inertial systems need some other form of position input to correct for this drift factor over the long term.

[Rik]

Er, yes.

[Glenn]

Care to do a quick summary?

Here you go, MisterW is asking questions tomorrow http://www.navlab.net/Publications/Introduction_to_Inertial_Navigation.pdf