Hi
I have indeed seen people try to do this with 18 ~ 24 aperture optics. They
don't seem to do a lot better than the smaller stuff spotting holes at
distance. They do get a nice bright image though.
Bob
On Nov 3, 2010, at 12:15 AM, jimlux wrote:
Robert Darlington wrote:
Hi Jim,
This
Bob Camp wrote:
Hi
I have indeed seen people try to do this with 18 ~ 24 aperture optics. They don't seem to do a lot better than the smaller stuff spotting holes at distance. They do get a nice bright image though.
Bob
Yeah, at that size, the atmospheric propagation issues are probably
On Nov 3, 2010, at 10:12 AM, jimlux wrote:
Bob Camp wrote:
Hi
I have indeed seen people try to do this with 18 ~ 24 aperture optics. They
don't seem to do a lot better than the smaller stuff spotting holes at
distance. They do get a nice bright image though. Bob
Yeah, at that size,
Marshall Eubanks wrote:
On Nov 3, 2010, at 10:12 AM, jimlux wrote:
Bob Camp wrote:
Hi
I have indeed seen people try to do this with 18 ~ 24 aperture optics. They
don't seem to do a lot better than the smaller stuff spotting holes at distance.
They do get a nice bright image though. Bob
On Nov 3, 2010, at 10:53 AM, jimlux wrote:
Marshall Eubanks wrote:
On Nov 3, 2010, at 10:12 AM, jimlux wrote:
Bob Camp wrote:
Hi
I have indeed seen people try to do this with 18 ~ 24 aperture optics.
They don't seem to do a lot better than the smaller stuff spotting holes
at distance.
Hello Time-Nuts:
Has anyone used a Endace TDS 24 unit before? I have someone who has
one but we have no user manual. Any pointers?
And what is IRIG-B output suppose to look like...this unit seems to
give off two distinct outputsone is a 3.3V to 1.5V sweep, the
other is just a 3.3V pulse (I
And what is IRIG-B output suppose to look like...this unit seems to give off
two distinct outputsone is a 3.3V to 1.5V sweep, the other is just a
3.3V pulse (I assume that 1PPS).
The wiki page on IRIG has the basics.
I expect you are seeing a 1 KHz signal that's AM modulated at 1 bit
Timenutters--
The question was asked-- Why can't a large aperture
high-resolution optic be used to locate bullet holes
in a target at 800 yards?
Consider this--: I often shoot at targets on the
600 yard berm at the Manatee Range (near Bradenton,
FL). Typically, by 11AM the
My first chore is to investigate what kind of pulse
rise-times I get from a selection of inexpensive
ultrasonic sensors when a supersonic bullet passes
within a couple of feet from them. I have a Tek
2252 scope that I can place downrange to look at the
sensors with but
Alexander Sack wrote:
Hello Time-Nuts:
Has anyone used a Endace TDS 24 unit before? I have someone who has
one but we have no user manual. Any pointers?
And what is IRIG-B output suppose to look like...this unit seems to
give off two distinct outputsone is a 3.3V to 1.5V sweep, the
other
On Wed, Nov 3, 2010 at 3:08 PM, jimlux jim...@earthlink.net wrote:
Alexander Sack wrote:
Hello Time-Nuts:
Has anyone used a Endace TDS 24 unit before? I have someone who has
one but we have no user manual. Any pointers?
And what is IRIG-B output suppose to look like...this unit seems to
How about a rubber-mirror, adaptive optics? We use this on our
large telescopes to overcome the atmospheric scintillation, otherwise
known as speckle-patterns. Works exceedingly well...
Atmospheric turbulence can be described by a Kolmogorov distribution,
or equivalently as a chaotic
Group,
I haven't been following this thread that won't die, but I've
contributed to others :^)
If the problem is that it is expensive to detect when a bullet
hits a target half a mile away, then have I got a solution for
you!
Visit any friendly neighborhood terrorist supply store and buy
a
Actually, some old dynamite that is leaking an oily liquid
is a sure-fire way to get a flash. Just don't drop it.
-Original Message-
From: Bill Hawkins [mailto:b...@iaxs.net]
Sent: Wednesday, November 03, 2010 4:39 PM
To: 'Discussion of precise time and frequency measurement'
Subject:
Nitrogen triiodide is safer, cheaper, and you can make it yourself. Put on
the target wet, hang it while still wet, let it dry...
On Wed, Nov 3, 2010 at 5:40 PM, Bill Hawkins b...@iaxs.net wrote:
Actually, some old dynamite that is leaking an oily liquid
is a sure-fire way to get a flash.
Hi
After each shot you need to haul a new batch down range. How many trips do you
think you would make successfully ...
I know, this is going to tie it all back into the dreaded time of death thread
... yikes ... did I do that
Bob
On Nov 3, 2010, at 5:55 PM, William H. Fite wrote:
time-nuts-boun...@febo.com wrote on 11/03/2010 05:55:16 PM:
From:
William H. Fite omni...@gmail.com
To:
Discussion of precise time and frequency measurement
time-nuts@febo.com
Date:
11/03/2010 05:55 PM
Subject:
Re: [time-nuts] Why .30 cal holes can't be seen at 800 yds...
Hi
Roughly speaking, you know the distance to 0.1%. If the electronics are good to
0.01% they aren't going to contribute a significant amount of error. A fairly
modest bare crystal will do quite nicely for the time base. No need to go any
further. If you want to go time-nutty, put in a cell
Yep. Makes life interesting. [?]
On Wed, Nov 3, 2010 at 6:02 PM, Joseph M Gwinn gw...@raytheon.com wrote:
time-nuts-boun...@febo.com wrote on 11/03/2010 05:55:16 PM:
From:
William H. Fite omni...@gmail.com
To:
Discussion of precise time and frequency measurement
Anyone know a source for WECO 439A/440A connectors and adapters? Optimist
that I am, I thought they would be easy to find.
Coping with an HP 3336B.
Thanks for any help you can offer.
Bill
___
time-nuts mailing list -- time-nuts@febo.com
To
Well, I really have not contributed much if anything to this thread, and
this will be no exception. However, it does remind me of my youth and
specifically of some of my non electronics related activities. Of course,
what I am about to disclose below, today would label me a terrorist.
In the late
They are indeed very rare these days.
My luck has been at ham fests and they are used also on the HP 3586
selective level voltmeters. Think I found them also at the local MIT flea
market. But Fleas for this year are pretty much over.
If they are around they are buried in the bottom of boxes and
I found some on theBay
73, Don, W4WJ
In a message dated 11/3/2010 5:42:47 P.M. Central Daylight Time,
paulsw...@gmail.com writes:
They are indeed very rare these days.
My luck has been at ham fests and they are used also on the HP 3586
selective level voltmeters. Think I found them
Fellow Time-nuts,
What Z12 programs are you using or know of?
I'm curious if there is something useful out there. I know of a bunch of
minor Ashtech tools, and then their larger commercial stuff. Naturally
the TEQC (no source!) and then SHARC.
What should I know off and play with?
Cheers,
On 11/3/2010 5:40 PM, Bill Hawkins wrote:
Actually, some old dynamite that is leaking an oily liquid
is a sure-fire way to get a flash. Just don't drop it.
And be sure to wear gloves to prevent direct skin absorption of the
nitro
(usually not mentioned on the MSDS.)
Other wise you may
In a message dated 03/11/2010 22:27:15 GMT Standard Time, omni...@gmail.com
writes:
Anyone know a source for WECO 439A/440A connectors and adapters? Optimist
that I am, I thought they would be easy to find.
Coping with an HP 3336B.
Thanks for any help you can offer.
Easier to cope with a female BNC, change it out.
Trompeter has adapters from the male WECO to BNC.
Long term solutions is to change it out to a BNC (female).
Did I mention it is easier to change it out
Stan, W1LE Cape Cod
On 11/3/2010 6:27 PM, William H. Fite wrote:
Anyone know a
There's always nitroglycerin. I've heard it reacts well to vibration.
--
Mike
On Nov 3, 2010, at 5:55 PM, William H. Fite wrote:
Nitrogen triiodide is safer, cheaper, and you can make it yourself. Put on
the target wet, hang it while still wet, let it dry...
On Wed, Nov 3, 2010 at
Hi Time nuts,
Just recently started my Z3801 in my new location and noticed the following
discrepancy
The unit is running more then 145 Hrs from the new start up.and the life
time display from the starting time just shows 48 digit more time..in
other words:
started at life time
I can't find it in the manual but I read somewhere that each tic of the
lifetime counter is 3 hours.
Doug
K8ZN
-Original Message-
From: time-nuts-boun...@febo.com [mailto:time-nuts-
boun...@febo.com] On Behalf Of erniepe...@aol.com
Sent: Wednesday, November 03, 2010 8:23 PM
To:
Hi
It is in odd units. It's also sort of a meaningless number. There is no obvious
wear out mechanism in a Z3801. If anything they should get better the longer
they are on power.
Bob
On Nov 3, 2010, at 8:22 PM, erniepe...@aol.com wrote:
Hi Time nuts,
Just recently started my Z3801 in
1. I found WECO adapters on eBay.
2. I have the case open to change out the WECO to BNC
Thanks, all
On Wed, Nov 3, 2010 at 7:53 PM, Stan, W1LE stanw...@verizon.net wrote:
Easier to cope with a female BNC, change it out.
Trompeter has adapters from the male WECO to BNC.
Long term
I never saw the original message because, apparently, it was off-topic
posted in one of the noisy threads I was deleting. But anyway...
From the similar GPS 58503B manual:
:DIAGnostic:LIFetime:COUNt? RESPONSE
Returns the lifetime count, indicating the total powered-on time.
Range of the
Michael Conlen wrote:
There's always nitroglycerin. I've heard it reacts well to vibration.
nitromethane is much more readily available and also shock sensitive.
Cyanoacrylate debonder. or glowplug fuel
___
time-nuts mailing list --
I have purchased WECO to BNC adapters from:
www.milestek.com
-- FL
--- Den ons 3/11/10 skrev William H. Fite omni...@gmail.com:
Fra: William H. Fite omni...@gmail.com
Emne: [time-nuts] Yikes, WECO is hard to find
Til: Help me find some connectors? time-nuts@febo.com
Dato: onsdag 3. november
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