gamma ray detection

On Mon, 30 Aug 2010 10:46:48 +0300 (EEST), Okkim Atnarivik
Okkim.Atnarivik_at_twentyfour.fi.invalid> wrote:

whit3rd <whit3rd_at_gmail.com> wrote:
: On Aug 29, 6:56 pm, Jamie Morken <jmor...@shaw.ca> wrote:

: > Is there a semiconductor replacement for the traditional geiger
: > avalanche tube with similar performance?

: If you want similar performance to a geiger tube, why not
: a geiger tube? It'd be difficult to match the active volume

The 'multipixel' version of the Geiger counter is known as the
Wire Chamber.

Regards,
Mikko

One cute wire chamber version uses a single long wire that zigzags
between the mylar sheets, making a big s-curve. One uses
high-resistance wire, tungsten maybe. The current at the ends is
modulated by the wire resistance from the hit site, so you can
localize the hit location pretty well, than map that into an x-y
array.

ftp://jjlarkin.lmi.net/Peach.JPG

Wire chambers can be built by mere mortals, people who don't own semi
fabs.

I had to photograph that screen. How does one capture a full DOS
screen running under XP?

John Larkin wrote:

On Mon, 30 Aug 2010 10:46:48 +0300 (EEST), Okkim Atnarivik
Okkim.Atnarivik_at_twentyfour.fi.invalid> wrote:

whit3rd <whit3rd_at_gmail.com> wrote:
: On Aug 29, 6:56 pm, Jamie Morken <jmor...@shaw.ca> wrote:

: > Is there a semiconductor replacement for the traditional geiger
: > avalanche tube with similar performance?

: If you want similar performance to a geiger tube, why not
: a geiger tube? It'd be difficult to match the active volume

The 'multipixel' version of the Geiger counter is known as the
Wire Chamber.

Regards,
Mikko

One cute wire chamber version uses a single long wire that zigzags
between the mylar sheets, making a big s-curve. One uses
high-resistance wire, tungsten maybe. The current at the ends is
modulated by the wire resistance from the hit site, so you can
localize the hit location pretty well, than map that into an x-y
array.

ftp://jjlarkin.lmi.net/Peach.JPG

Wire chambers can be built by mere mortals, people who don't own semi
fabs.

I had to photograph that screen. How does one capture a full DOS
screen running under XP?


The same as in DOS, or any MS OS since. Hold down the 'CTRL' key and
tap the 'Print Screen' key. The screen will be copied to the clipboard.
Open 'Paint' or another graphics program and paste it.

On Tue, 31 Aug 2010 06:40:06 -0400 "Michael A. Terrell"
mike.terrell_at_earthlink.net> wrote in Message id:
Jb6dnU-HqseBQeHRnZ2dnUVZ_q2dnZ2d_at_earthlink.com>:


John Larkin wrote:

On Mon, 30 Aug 2010 10:46:48 +0300 (EEST), Okkim Atnarivik
Okkim.Atnarivik_at_twentyfour.fi.invalid> wrote:

whit3rd <whit3rd_at_gmail.com> wrote:
: On Aug 29, 6:56 pm, Jamie Morken <jmor...@shaw.ca> wrote:

: > Is there a semiconductor replacement for the traditional geiger
: > avalanche tube with similar performance?

: If you want similar performance to a geiger tube, why not
: a geiger tube? It'd be difficult to match the active volume

The 'multipixel' version of the Geiger counter is known as the
Wire Chamber.

Regards,
Mikko

One cute wire chamber version uses a single long wire that zigzags
between the mylar sheets, making a big s-curve. One uses
high-resistance wire, tungsten maybe. The current at the ends is
modulated by the wire resistance from the hit site, so you can
localize the hit location pretty well, than map that into an x-y
array.

ftp://jjlarkin.lmi.net/Peach.JPG

Wire chambers can be built by mere mortals, people who don't own semi
fabs.

I had to photograph that screen. How does one capture a full DOS
screen running under XP?


The same as in DOS, or any MS OS since. Hold down the 'CTRL' key and
tap the 'Print Screen' key. The screen will be copied to the clipboard.
Open 'Paint' or another graphics program and paste it.

That seems to work fine for a DOS *window*, but a when running a full
screen DOS session CTRL + ENTER from the DOS command line, it does not
^^^^^^^^^^^^
work. At least on my machine it doesn't, I get only whatever was on the
screen in Windows.

On 30/08/2010 15:34, John Larkin wrote:

I had to photograph that screen. How does one capture a full DOS
screen running under XP?

Printscreen and paste the buffer into your favourite graphics app.

Regards,
Martin Brown

John Larkin wrote:

On Mon, 30 Aug 2010 10:46:48 +0300 (EEST), Okkim Atnarivik
Okkim.Atnarivik_at_twentyfour.fi.invalid> wrote:

whit3rd <whit3rd_at_gmail.com> wrote:
: On Aug 29, 6:56 pm, Jamie Morken <jmor...@shaw.ca> wrote:

: > Is there a semiconductor replacement for the traditional geiger
: > avalanche tube with similar performance?

: If you want similar performance to a geiger tube, why not
: a geiger tube? It'd be difficult to match the active volume

The 'multipixel' version of the Geiger counter is known as the
Wire Chamber.

Regards,
Mikko

One cute wire chamber version uses a single long wire that zigzags
between the mylar sheets, making a big s-curve. One uses
high-resistance wire, tungsten maybe. The current at the ends is
modulated by the wire resistance from the hit site, so you can
localize the hit location pretty well, than map that into an x-y
array.

ftp://jjlarkin.lmi.net/Peach.JPG

Wire chambers can be built by mere mortals, people who don't own semi
fabs.

I had to photograph that screen. How does one capture a full DOS
screen running under XP?


The same as in DOS, or any MS OS since. Hold down the 'CTRL' key and
tap the 'Print Screen' key. The screen will be copied to the clipboard.
Open 'Paint' or another graphics program and paste it.

On Tue, 31 Aug 2010 06:40:06 -0400, "Michael A. Terrell"
mike.terrell_at_earthlink.net> wrote:


John Larkin wrote:

On Mon, 30 Aug 2010 10:46:48 +0300 (EEST), Okkim Atnarivik
Okkim.Atnarivik_at_twentyfour.fi.invalid> wrote:

whit3rd<whit3rd_at_gmail.com> wrote:
: On Aug 29, 6:56 pm, Jamie Morken<jmor...@shaw.ca> wrote:

:> Is there a semiconductor replacement for the traditional geiger
:> avalanche tube with similar performance?

: If you want similar performance to a geiger tube, why not
: a geiger tube? It'd be difficult to match the active volume

The 'multipixel' version of the Geiger counter is known as the
Wire Chamber.

Regards,
Mikko

One cute wire chamber version uses a single long wire that zigzags
between the mylar sheets, making a big s-curve. One uses
high-resistance wire, tungsten maybe. The current at the ends is
modulated by the wire resistance from the hit site, so you can
localize the hit location pretty well, than map that into an x-y
array.

ftp://jjlarkin.lmi.net/Peach.JPG

Wire chambers can be built by mere mortals, people who don't own semi
fabs.

I had to photograph that screen. How does one capture a full DOS
screen running under XP?


The same as in DOS, or any MS OS since. Hold down the 'CTRL' key and
tap the 'Print Screen' key. The screen will be copied to the clipboard.
Open 'Paint' or another graphics program and paste it.

All I can ever capture is a plain white screen with black borders at
the top and bottom. This is a full-screen DOS graphics thing, from a
DOS PowerBasic program, written in 1997 to run under DOS.

On Tue, 31 Aug 2010 06:40:06 -0400 "Michael A. Terrell"
?mike.terrell_at_earthlink.net? wrote in Message id:
?Jb6dnU-HqseBQeHRnZ2dnUVZ_q2dnZ2d_at_earthlink.com?:

?
?John Larkin wrote:
??
?? On Mon, 30 Aug 2010 10:46:48 +0300 (EEST), Okkim Atnarivik
?? ?Okkim.Atnarivik_at_twentyfour.fi.invalid? wrote:
??
?? ?whit3rd ?whit3rd_at_gmail.com? wrote:
?? ?: On Aug 29, 6:56 pm, Jamie Morken ?jmor...@shaw.ca? wrote:
?? ?
?? ?: ? Is there a semiconductor replacement for the traditional geiger
?? ?: ? avalanche tube with similar performance?
?? ?
?? ?: If you want similar performance to a geiger tube, why not
?? ?: a geiger tube? It'd be difficult to match the active volume
?? ?
?? ? The 'multipixel' version of the Geiger counter is known as the
?? ?Wire Chamber.
?? ?
?? ? Regards,
?? ? Mikko
??
?? One cute wire chamber version uses a single long wire that zigzags
?? between the mylar sheets, making a big s-curve. One uses
?? high-resistance wire, tungsten maybe. The current at the ends is
?? modulated by the wire resistance from the hit site, so you can
?? localize the hit location pretty well, than map that into an x-y
?? array.
??
?? ftp://jjlarkin.lmi.net/Peach.JPG
??
?? Wire chambers can be built by mere mortals, people who don't own semi
?? fabs.
??
?? I had to photograph that screen. How does one capture a full DOS
?? screen running under XP?
?
?
? The same as in DOS, or any MS OS since. Hold down the 'CTRL' key and
?tap the 'Print Screen' key. The screen will be copied to the clipboard.
?Open 'Paint' or another graphics program and paste it.

That seems to work fine for a DOS *window*, but a when running a full
screen DOS session CTRL + ENTER from the DOS command line, it does not
work. At least on my machine it doesn't, I get only whatever was on the
screen in Windows.

All I can ever capture is a plain white screen with black borders at
the top and bottom. This is a full-screen DOS graphics thing, from a
DOS PowerBasic program, written in 1997 to run under DOS.

Try running it as a Windowed DOS program and use Alt-PrtScrn when you
want to do screen capture. Otherwise I suspect you will need to install
some antique TSR with a Windowsian twist to make full screen DOS mode
PrintScreen capture behave like a normal Windows application. Blame
MickeySoft!

John Larkin wrote:
On Mon, 30 Aug 2010 10:46:48 +0300 (EEST), Okkim Atnarivik
Okkim.Atnarivik_at_twentyfour.fi.invalid> wrote:

whit3rd <whit3rd_at_gmail.com> wrote:
: On Aug 29, 6:56 pm, Jamie Morken <jmor...@shaw.ca> wrote:

: > Is there a semiconductor replacement for the traditional geiger
: > avalanche tube with similar performance?

: If you want similar performance to a geiger tube, why not
: a geiger tube? It'd be difficult to match the active volume

The 'multipixel' version of the Geiger counter is known as the
Wire Chamber.

Regards,
Mikko
One cute wire chamber version uses a single long wire that zigzags
between the mylar sheets, making a big s-curve. One uses
high-resistance wire, tungsten maybe. The current at the ends is
modulated by the wire resistance from the hit site, so you can
localize the hit location pretty well, than map that into an x-y
array.

ftp://jjlarkin.lmi.net/Peach.JPG

Wire chambers can be built by mere mortals, people who don't own semi
fabs.

I had to photograph that screen. How does one capture a full DOS
screen running under XP?


The same as in DOS, or any MS OS since. Hold down the 'CTRL' key and
tap the 'Print Screen' key. The screen will be copied to the clipboard.
Open 'Paint' or another graphics program and paste it.


Nope; "Write fault error writing device PRN".

On Tue, 31 Aug 2010 06:40:06 -0400, "Michael A. Terrell"
mike.terrell_at_earthlink.net> wrote:

John Larkin wrote:
On Mon, 30 Aug 2010 10:46:48 +0300 (EEST), Okkim Atnarivik
Okkim.Atnarivik_at_twentyfour.fi.invalid> wrote:

whit3rd <whit3rd_at_gmail.com> wrote:
: On Aug 29, 6:56 pm, Jamie Morken <jmor...@shaw.ca> wrote:

: > Is there a semiconductor replacement for the traditional geiger
: > avalanche tube with similar performance?

: If you want similar performance to a geiger tube, why not
: a geiger tube? It'd be difficult to match the active volume

The 'multipixel' version of the Geiger counter is known as the
Wire Chamber.

Regards,
Mikko
One cute wire chamber version uses a single long wire that zigzags
between the mylar sheets, making a big s-curve. One uses
high-resistance wire, tungsten maybe. The current at the ends is
modulated by the wire resistance from the hit site, so you can
localize the hit location pretty well, than map that into an x-y
array.

ftp://jjlarkin.lmi.net/Peach.JPG

Wire chambers can be built by mere mortals, people who don't own semi
fabs.

I had to photograph that screen. How does one capture a full DOS
screen running under XP?

The same as in DOS, or any MS OS since. Hold down the 'CTRL' key and
tap the 'Print Screen' key. The screen will be copied to the clipboard.
Open 'Paint' or another graphics program and paste it.

All I can ever capture is a plain white screen with black borders at
the top and bottom. This is a full-screen DOS graphics thing, from a
DOS PowerBasic program, written in 1997 to run under DOS.

John

Again--try Hijaak.

JW wrote:
On Tue, 31 Aug 2010 06:40:06 -0400 "Michael A. Terrell"
?mike.terrell_at_earthlink.net? wrote in Message id:
?Jb6dnU-HqseBQeHRnZ2dnUVZ_q2dnZ2d_at_earthlink.com?:

?
?John Larkin wrote:
??
?? On Mon, 30 Aug 2010 10:46:48 +0300 (EEST), Okkim Atnarivik
?? ?Okkim.Atnarivik_at_twentyfour.fi.invalid? wrote:
??
?? ?whit3rd ?whit3rd_at_gmail.com? wrote:
?? ?: On Aug 29, 6:56 pm, Jamie Morken ?jmor...@shaw.ca? wrote:
?? ?
?? ?: ? Is there a semiconductor replacement for the traditional geiger
?? ?: ? avalanche tube with similar performance?
?? ?
?? ?: If you want similar performance to a geiger tube, why not
?? ?: a geiger tube? It'd be difficult to match the active volume
?? ?
?? ? The 'multipixel' version of the Geiger counter is known as the
?? ?Wire Chamber.
?? ?
?? ? Regards,
?? ? Mikko
??
?? One cute wire chamber version uses a single long wire that zigzags
?? between the mylar sheets, making a big s-curve. One uses
?? high-resistance wire, tungsten maybe. The current at the ends is
?? modulated by the wire resistance from the hit site, so you can
?? localize the hit location pretty well, than map that into an x-y
?? array.
??
?? ftp://jjlarkin.lmi.net/Peach.JPG
??
?? Wire chambers can be built by mere mortals, people who don't own semi
?? fabs.
??
?? I had to photograph that screen. How does one capture a full DOS
?? screen running under XP?
?
?
? The same as in DOS, or any MS OS since. Hold down the 'CTRL' key and
?tap the 'Print Screen' key. The screen will be copied to the clipboard.
?Open 'Paint' or another graphics program and paste it.

That seems to work fine for a DOS *window*, but a when running a full
screen DOS session CTRL + ENTER from the DOS command line, it does not
work. At least on my machine it doesn't, I get only whatever was on the
screen in Windows.


There were TSR programs for DOS to help capture the output of
programs that wrote directly to the video chip.


BUT WinDoze is a jealous master and HATES direct I/O of any sort.

Michael A. Terrell wrote:
JW wrote:
On Tue, 31 Aug 2010 06:40:06 -0400 "Michael A. Terrell"
?mike.terrell_at_earthlink.net? wrote in Message id:
?Jb6dnU-HqseBQeHRnZ2dnUVZ_q2dnZ2d_at_earthlink.com?:

?
?John Larkin wrote:
??
?? On Mon, 30 Aug 2010 10:46:48 +0300 (EEST), Okkim Atnarivik
?? ?Okkim.Atnarivik_at_twentyfour.fi.invalid? wrote:
??
?? ?whit3rd ?whit3rd_at_gmail.com? wrote:
?? ?: On Aug 29, 6:56 pm, Jamie Morken ?jmor...@shaw.ca? wrote:
?? ?
?? ?: ? Is there a semiconductor replacement for the traditional geiger
?? ?: ? avalanche tube with similar performance?
?? ?
?? ?: If you want similar performance to a geiger tube, why not
?? ?: a geiger tube? It'd be difficult to match the active volume
?? ?
?? ? The 'multipixel' version of the Geiger counter is known as the
?? ?Wire Chamber.
?? ?
?? ? Regards,
?? ? Mikko
??
?? One cute wire chamber version uses a single long wire that zigzags
?? between the mylar sheets, making a big s-curve. One uses
?? high-resistance wire, tungsten maybe. The current at the ends is
?? modulated by the wire resistance from the hit site, so you can
?? localize the hit location pretty well, than map that into an x-y
?? array.
??
?? ftp://jjlarkin.lmi.net/Peach.JPG
??
?? Wire chambers can be built by mere mortals, people who don't own semi
?? fabs.
??
?? I had to photograph that screen. How does one capture a full DOS
?? screen running under XP?
?
?
? The same as in DOS, or any MS OS since. Hold down the 'CTRL' key and
?tap the 'Print Screen' key. The screen will be copied to the clipboard.
?Open 'Paint' or another graphics program and paste it.

That seems to work fine for a DOS *window*, but a when running a full
screen DOS session CTRL + ENTER from the DOS command line, it does not
work. At least on my machine it doesn't, I get only whatever was on the
screen in Windows.


There were TSR programs for DOS to help capture the output of
programs that wrote directly to the video chip.


BUT WinDoze is a jealous master and HATES direct I/O of any sort.

Michael A. Terrell wrote:
John Larkin wrote:
On Mon, 30 Aug 2010 10:46:48 +0300 (EEST), Okkim Atnarivik
Okkim.Atnarivik_at_twentyfour.fi.invalid> wrote:

whit3rd <whit3rd_at_gmail.com> wrote:
: On Aug 29, 6:56 pm, Jamie Morken <jmor...@shaw.ca> wrote:

: > Is there a semiconductor replacement for the traditional geiger
: > avalanche tube with similar performance?

: If you want similar performance to a geiger tube, why not
: a geiger tube? It'd be difficult to match the active volume

The 'multipixel' version of the Geiger counter is known as the
Wire Chamber.

Regards,
Mikko
One cute wire chamber version uses a single long wire that zigzags
between the mylar sheets, making a big s-curve. One uses
high-resistance wire, tungsten maybe. The current at the ends is
modulated by the wire resistance from the hit site, so you can
localize the hit location pretty well, than map that into an x-y
array.

ftp://jjlarkin.lmi.net/Peach.JPG

Wire chambers can be built by mere mortals, people who don't own semi
fabs.

I had to photograph that screen. How does one capture a full DOS
screen running under XP?


The same as in DOS, or any MS OS since. Hold down the 'CTRL' key and
tap the 'Print Screen' key. The screen will be copied to the clipboard.
Open 'Paint' or another graphics program and paste it.


Nope; "Write fault error writing device PRN".
Impossible to Abort/Retry until one re-issues CTRL + Print Screen.
Guess again.

Michael A. Terrell wrote:
John Larkin wrote:
On Mon, 30 Aug 2010 10:46:48 +0300 (EEST), Okkim Atnarivik
Okkim.Atnarivik_at_twentyfour.fi.invalid> wrote:

whit3rd <whit3rd_at_gmail.com> wrote:
: On Aug 29, 6:56 pm, Jamie Morken <jmor...@shaw.ca> wrote:

: > Is there a semiconductor replacement for the traditional geiger
: > avalanche tube with similar performance?

: If you want similar performance to a geiger tube, why not
: a geiger tube? It'd be difficult to match the active volume

The 'multipixel' version of the Geiger counter is known as the
Wire Chamber.

Regards,
Mikko
One cute wire chamber version uses a single long wire that zigzags
between the mylar sheets, making a big s-curve. One uses
high-resistance wire, tungsten maybe. The current at the ends is
modulated by the wire resistance from the hit site, so you can
localize the hit location pretty well, than map that into an x-y
array.

ftp://jjlarkin.lmi.net/Peach.JPG

Wire chambers can be built by mere mortals, people who don't own semi
fabs.

I had to photograph that screen. How does one capture a full DOS
screen running under XP?

The same as in DOS, or any MS OS since. Hold down the 'CTRL' key and
tap the 'Print Screen' key. The screen will be copied to the clipboard.
Open 'Paint' or another graphics program and paste it.


Nope; "Write fault error writing device PRN".
Impossible to Abort/Retry until one re-issues CTRL + Print Screen.
Guess again.
I tried two dos-age grabbers, they did text oke, but graphics was

Robert Baer wrote:
Michael A. Terrell wrote:
John Larkin wrote:
On Mon, 30 Aug 2010 10:46:48 +0300 (EEST), Okkim Atnarivik
Okkim.Atnarivik_at_twentyfour.fi.invalid> wrote:

whit3rd <whit3rd_at_gmail.com> wrote:
: On Aug 29, 6:56 pm, Jamie Morken <jmor...@shaw.ca> wrote:

: > Is there a semiconductor replacement for the traditional geiger
: > avalanche tube with similar performance?

: If you want similar performance to a geiger tube, why not
: a geiger tube? It'd be difficult to match the active volume

The 'multipixel' version of the Geiger counter is known as the
Wire Chamber.

Regards,
Mikko
One cute wire chamber version uses a single long wire that zigzags
between the mylar sheets, making a big s-curve. One uses
high-resistance wire, tungsten maybe. The current at the ends is
modulated by the wire resistance from the hit site, so you can
localize the hit location pretty well, than map that into an x-y
array.

ftp://jjlarkin.lmi.net/Peach.JPG

Wire chambers can be built by mere mortals, people who don't own semi
fabs.

I had to photograph that screen. How does one capture a full DOS
screen running under XP?

The same as in DOS, or any MS OS since. Hold down the 'CTRL' key and
tap the 'Print Screen' key. The screen will be copied to the clipboard.
Open 'Paint' or another graphics program and paste it.


Nope; "Write fault error writing device PRN".
Impossible to Abort/Retry until one re-issues CTRL + Print Screen.
Guess again.
I tried two dos-age grabbers, they did text oke, but graphics was
hopeless, with confused multiple copy's in the gif file.
If you(OP or others) want them, let me know.