History of radar
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martin griffith
Guest
Posted: Sun Sep 25, 2005 9:57 pm    Post subject: History of radar Reply with quote
Just found this
http://www.vectorsite.net/ttwiz.html

might be interesting for some of the younger inhabitants here
I liked
http://www.vectorsite.net/ttwiz5.html#m4

ferinstance
"A engineer named Richard Roberts began by performing a series of
increasingly rigorous experiments to show that a vacuum tube could
survive thousands of gees of acceleration, as would be required if an
electronic circuit were to be shot out of a gun."

enjoy


martin

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John Woodgate
Guest
Posted: Sun Sep 25, 2005 10:46 pm    Post subject: Re: History of radar Reply with quote
I read in sci.electronics.design that martin griffith
<martingriffith@XXyahoo.co.uk> wrote (in
<4gldj1drfr36eu3hlo8hhpujttpncfuhga@4ax.com>) about 'History of radar',
on Sun, 25 Sep 2005:
Quote:
Just found this
http://www.vectorsite.net/ttwiz.html

might be interesting for some of the younger inhabitants here
I liked
http://www.vectorsite.net/ttwiz5.html#m4

But can you believe it, considering the author's name? (;-)
--
Regards, John Woodgate, OOO - Own Opinions Only.
If everything has been designed, a god designed evolution by natural selection.
http://www.jmwa.demon.co.uk Also see http://www.isce.org.uk
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martin griffith
Guest
Posted: Sun Sep 25, 2005 11:01 pm    Post subject: Re: History of radar Reply with quote
On Sun, 25 Sep 2005 18:46:37 +0100, in sci.electronics.design John
Woodgate <jmw@jmwa.demon.contraspam.yuk> wrote:

Quote:
I read in sci.electronics.design that martin griffith
martingriffith@XXyahoo.co.uk> wrote (in
4gldj1drfr36eu3hlo8hhpujttpncfuhga@4ax.com>) about 'History of radar',
on Sun, 25 Sep 2005:
Just found this
http://www.vectorsite.net/ttwiz.html

might be interesting for some of the younger inhabitants here
I liked
http://www.vectorsite.net/ttwiz5.html#m4

But can you believe it, considering the author's name? (;-)

So what is wrong with Greg as a name?

but from the index page
Greg Goebel (full name Gregory Vaughn Goebel)
friends call me "Mister G"
Born 1953 in Spokane, state of Washington (NOT Washington DC), NW
USA
Now living in Loveland, Colorado, north of Denver


martin

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John Woodgate
Guest
Posted: Sun Sep 25, 2005 11:19 pm    Post subject: Re: History of radar Reply with quote
I read in sci.electronics.design that martin griffith
<martingriffith@XXyahoo.co.uk> wrote (in
<ubpdj1lf4qo6svc4tjan8fsejp4ejcce3d@4ax.com>) about 'History of radar',
on Sun, 25 Sep 2005:

Quote:
But can you believe it, considering the author's name? (;-)

So what is wrong with Greg as a name?

but from the index page
Greg Goebel (full name Gregory Vaughn Goebel)
friends call me "Mister G"
Born 1953 in Spokane, state of Washington (NOT Washington DC), NW
USA
Now living in Loveland, Colorado, north of Denver

Yes, well, note the smiley. Clearly, he doesn't take any notice of the
incongruity.
--
Regards, John Woodgate, OOO - Own Opinions Only.
If everything has been designed, a god designed evolution by natural selection.
http://www.jmwa.demon.co.uk Also see http://www.isce.org.uk
Back to top
Michael A. Terrell
Guest
Posted: Sun Sep 25, 2005 11:45 pm    Post subject: Re: History of radar Reply with quote
martin griffith wrote:
Quote:

Just found this
http://www.vectorsite.net/ttwiz.html

might be interesting for some of the younger inhabitants here
I liked
http://www.vectorsite.net/ttwiz5.html#m4

ferinstance
"A engineer named Richard Roberts began by performing a series of
increasingly rigorous experiments to show that a vacuum tube could
survive thousands of gees of acceleration, as would be required if an
electronic circuit were to be shot out of a gun."

enjoy

martin

I wonder how many gees a usenet troll could stand if it were fired
out of the same type of gun? ;-)
--
?

Michael A. Terrell
Central Florida
Back to top
martin griffith
Guest
Posted: Sun Sep 25, 2005 11:56 pm    Post subject: Re: History of radar Reply with quote
On Sun, 25 Sep 2005 19:19:48 +0100, in sci.electronics.design John
Woodgate <jmw@jmwa.demon.contraspam.yuk> wrote:

Quote:
I read in sci.electronics.design that martin griffith
martingriffith@XXyahoo.co.uk> wrote (in
ubpdj1lf4qo6svc4tjan8fsejp4ejcce3d@4ax.com>) about 'History of radar',
on Sun, 25 Sep 2005:

But can you believe it, considering the author's name? (;-)

So what is wrong with Greg as a name?

but from the index page
Greg Goebel (full name Gregory Vaughn Goebel)
friends call me "Mister G"
Born 1953 in Spokane, state of Washington (NOT Washington DC), NW
USA
Now living in Loveland, Colorado, north of Denver

Yes, well, note the smiley. Clearly, he doesn't take any notice of the
incongruity.
sorry John, didnt notice that smiley!



martin
Back to top
martin griffith
Guest
Posted: Mon Sep 26, 2005 12:01 am    Post subject: Re: History of radar Reply with quote
On Sun, 25 Sep 2005 18:45:22 GMT, in sci.electronics.design "Michael
A. Terrell" <mike.terrell@earthlink.net> wrote:

Quote:
martin griffith wrote:

Just found this
http://www.vectorsite.net/ttwiz.html

might be interesting for some of the younger inhabitants here
I liked
http://www.vectorsite.net/ttwiz5.html#m4

ferinstance
"A engineer named Richard Roberts began by performing a series of
increasingly rigorous experiments to show that a vacuum tube could
survive thousands of gees of acceleration, as would be required if an
electronic circuit were to be shot out of a gun."

enjoy

martin

I wonder how many gees a usenet troll could stand if it were fired
out of the same type of gun? ;-)
Hey, a troll is just a bunch of electrons, isnt it? how many angels

can you stand on a head of a pin?


martin
Back to top
John Woodgate
Guest
Posted: Mon Sep 26, 2005 12:36 am    Post subject: Re: History of radar Reply with quote
I read in sci.electronics.design that martin griffith
<martingriffith@XXyahoo.co.uk> wrote (in
<4gldj1drfr36eu3hlo8hhpujttpncfuhga@4ax.com>) about 'History of radar',
on Sun, 25 Sep 2005:
Quote:
Just found this
http://www.vectorsite.net/ttwiz.html

might be interesting for some of the younger inhabitants here
I liked
http://www.vectorsite.net/ttwiz5.html#m4

ferinstance
"A engineer named Richard Roberts began by performing a series of
increasingly rigorous experiments to show that a vacuum tube could
survive thousands of gees of acceleration, as would be required if an
electronic circuit were to be shot out of a gun."

I suspect the story has a number of holes in it. A lot of work was done
in the UK on proximity fuses at the defence establishment at Fort
Halstead. I think that a lot of that is still even now classified. I
knew a guy who worked there during WW II up to about 20 years ago when
he popped his clogs, and he certainly wouldn't talk about what was done.
There was input on subminiature valves/tubes from specialist UK
manufacturer Hivac, and from Mullard, the UK arm of Philips.
--
Regards, John Woodgate, OOO - Own Opinions Only.
If everything has been designed, a god designed evolution by natural selection.
http://www.jmwa.demon.co.uk Also see http://www.isce.org.uk
Back to top
John Larkin
Guest
Posted: Mon Sep 26, 2005 12:36 am    Post subject: Re: History of radar Reply with quote
On Sun, 25 Sep 2005 18:57:18 +0200, martin griffith
<martingriffith@XXyahoo.co.uk> wrote:

Quote:
Just found this
http://www.vectorsite.net/ttwiz.html

might be interesting for some of the younger inhabitants here
I liked
http://www.vectorsite.net/ttwiz5.html#m4

ferinstance
"A engineer named Richard Roberts began by performing a series of
increasingly rigorous experiments to show that a vacuum tube could
survive thousands of gees of acceleration, as would be required if an
electronic circuit were to be shot out of a gun."

enjoy


martin

Read Baldwin, "The Deadly Fuze".

John
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Michael A. Terrell
Guest
Posted: Mon Sep 26, 2005 6:05 am    Post subject: Re: History of radar Reply with quote
martin griffith wrote:
Quote:

Hey, a troll is just a bunch of electrons, isnt it? how many angels
can you stand on a head of a pin?

Angels? I can barely see to work with SMD anymore. ;-)

--
?

Michael A. Terrell
Central Florida
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Robert Baer
Guest
Posted: Mon Sep 26, 2005 8:36 am    Post subject: Re: History of radar Reply with quote
martin griffith wrote:

Quote:
On Sun, 25 Sep 2005 18:45:22 GMT, in sci.electronics.design "Michael
A. Terrell" <mike.terrell@earthlink.net> wrote:


martin griffith wrote:

Just found this
http://www.vectorsite.net/ttwiz.html

might be interesting for some of the younger inhabitants here
I liked
http://www.vectorsite.net/ttwiz5.html#m4

ferinstance
"A engineer named Richard Roberts began by performing a series of
increasingly rigorous experiments to show that a vacuum tube could
survive thousands of gees of acceleration, as would be required if an
electronic circuit were to be shot out of a gun."

enjoy

martin

I wonder how many gees a usenet troll could stand if it were fired
out of the same type of gun? ;-)

Hey, a troll is just a bunch of electrons, isnt it? how many angels
can you stand on a head of a pin?


martin
Angels will *not* stand for a troll; they do not want to even be

associated with trolls!
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Robert Baer
Guest
Posted: Mon Sep 26, 2005 8:36 am    Post subject: Re: History of radar Reply with quote
John Woodgate wrote:

Quote:
I read in sci.electronics.design that martin griffith
martingriffith@XXyahoo.co.uk> wrote (in
4gldj1drfr36eu3hlo8hhpujttpncfuhga@4ax.com>) about 'History of radar',
on Sun, 25 Sep 2005:

Just found this
http://www.vectorsite.net/ttwiz.html

might be interesting for some of the younger inhabitants here
I liked
http://www.vectorsite.net/ttwiz5.html#m4

ferinstance
"A engineer named Richard Roberts began by performing a series of
increasingly rigorous experiments to show that a vacuum tube could
survive thousands of gees of acceleration, as would be required if an
electronic circuit were to be shot out of a gun."


I suspect the story has a number of holes in it. A lot of work was done
in the UK on proximity fuses at the defence establishment at Fort
Halstead. I think that a lot of that is still even now classified. I
knew a guy who worked there during WW II up to about 20 years ago when
he popped his clogs, and he certainly wouldn't talk about what was done.
There was input on subminiature valves/tubes from specialist UK
manufacturer Hivac, and from Mullard, the UK arm of Philips.
The nuvistor was made for use in space...small, rugged.
Back to top
Robert Baer
Guest
Posted: Mon Sep 26, 2005 8:36 am    Post subject: Re: History of radar Reply with quote
Michael A. Terrell wrote:

Quote:
martin griffith wrote:

Hey, a troll is just a bunch of electrons, isnt it? how many angels
can you stand on a head of a pin?


Angels? I can barely see to work with SMD anymore. ;-)

Yup! SMDs are getting smaller than the proverbial pinhead.
Back to top
John Woodgate
Guest
Posted: Mon Sep 26, 2005 3:45 pm    Post subject: Re: History of radar Reply with quote
I read in sci.electronics.design that Robert Baer
<robertbaer@earthlink.net> wrote (in
<DQLZe.3939$0m6.3353@newsread3.news.pas.earthlink.net>) about 'History
of radar', on Mon, 26 Sep 2005:

Quote:
The nuvistor was made for use in space...small, rugged.

Around 25 years later.
--
Regards, John Woodgate, OOO - Own Opinions Only.
If everything has been designed, a god designed evolution by natural selection.
http://www.jmwa.demon.co.uk Also see http://www.isce.org.uk
Back to top
Mark Fergerson
Guest
Posted: Tue Sep 27, 2005 4:06 pm    Post subject: Re: History of radar Reply with quote
John Woodgate wrote:
Quote:
I read in sci.electronics.design that martin griffith
martingriffith@XXyahoo.co.uk> wrote (in
4gldj1drfr36eu3hlo8hhpujttpncfuhga@4ax.com>) about 'History of radar',
on Sun, 25 Sep 2005:

Just found this
http://www.vectorsite.net/ttwiz.html

might be interesting for some of the younger inhabitants here
I liked
http://www.vectorsite.net/ttwiz5.html#m4

ferinstance
"A engineer named Richard Roberts began by performing a series of
increasingly rigorous experiments to show that a vacuum tube could
survive thousands of gees of acceleration, as would be required if an
electronic circuit were to be shot out of a gun."

I suspect the story has a number of holes in it. A lot of work was done
in the UK on proximity fuses at the defence establishment at Fort
Halstead.

Arthur C. Clarke mentions in the preface to another author's SF
book that he had often wondered what crackpot invented the radar
proximity fuzes installed in artillery shells. The other author,
American George O. Smith, was involved in that design. I assume they
were friends.

I'm amazed what the Brits accomplished with so little men, time,
and materials to work with.

Quote:
I think that a lot of that is still even now classified.

Or was hastily reclassified when the Soviets were found to use
toob radars in their Cold War state of the art fighter planes...
those holes may never be publicly filled in.

Quote:
knew a guy who worked there during WW II up to about 20 years ago when
he popped his clogs, and he certainly wouldn't talk about what was done.
There was input on subminiature valves/tubes from specialist UK
manufacturer Hivac, and from Mullard, the UK arm of Philips.

There're lots of old(er than me) farts around here; I think I'll
start bringing the subject up...


Mark L. Fergerson
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