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From: Jack Hudler [EMAIL PROTECTED]
Subject: RE: [time-nuts] Timing on Ethernet
Date: Fri, 3 Aug 2007 20:57:12 -0500
Message-ID: [EMAIL PROTECTED]
Thanks Magnus, I guess I was dating myself :).
Jack, no worries! :-)
Pablo,
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I was thinking of timing protocol only without any Ethernet on the fiber
(Trying to think outside the box, which gets in more trouble than you
know!). I'm not sure why Ethernet was mentioned, maybe they wanted to piggy
back on
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Thinking outside the square
What you need is a low frequency transmitter exactly in the middle of
the ring...
Neville Michie
On 05/08/2007, at 5:01 AM, Jack Hudler wrote:
I was thinking of timing protocol only without
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Hey! That's inside the ring! :)
-Original Message-
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Neville Michie
Sent: Saturday, August 04, 2007 4:39 PM
To: Discussion of precise time and frequency
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Neville Michie wrote:
Thinking outside the square
What you need is a low frequency transmitter exactly in the middle of
the ring...
Neville Michie
Neville
Isn't the accelerator located underground?
Bruce
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I went to an estate sale today. I discovered a bunch of manuals from
some guy that once had an electronics business. I didn't find the
items they described, but I thought people here might be interested:
(1) Rycom
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Hi Warner there have been queries asking for Rycoms on the LWCA message
board and reflector I will risk your wrath and forward a posting there for
you
Regards
Alan G3NYK
- Original Message -
From: M. Warner Losh
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Alan Melia [EMAIL PROTECTED] writes:
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:
: Hi Warner there have been queries asking for Rycoms on the LWCA
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In message: [EMAIL PROTECTED]
M. Warner Losh [EMAIL PROTECTED] writes:
: : (3) 2 envelopes (4 thick total) labeled NBS Time Receiver.
These appear to be related to the design of a ATS-3 receiver, plus a
lot of NBS
In message: [EMAIL PROTECTED]
M. Warner Losh [EMAIL PROTECTED] writes:
: : (3) 2 envelopes (4 thick total) labeled NBS Time Receiver.
These appear to be related to the design of a ATS-3 receiver, plus a
lot of NBS technical publications, schematics, parts lists, prices for
the
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From: Jack Hudler [EMAIL PROTECTED]
Subject: Re: [time-nuts] Timing on Ethernet
Date: Sat, 4 Aug 2007 14:01:35 -0500
Message-ID: [EMAIL PROTECTED]
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I
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From: Dr Bruce Griffiths [EMAIL PROTECTED]
Subject: Re: [time-nuts] Timing on Ethernet
Date: Sun, 05 Aug 2007 09:50:19 +1200
Message-ID: [EMAIL PROTECTED]
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Hi,
Low frequencies penetrate the ground to some depth.
However, propagation may vary seasonally as groundwater
concentrations change.
cheers, Neville michie
On 05/08/2007, at 7:50 AM, Dr Bruce Griffiths wrote:
Neville Michie wrote:
Thinking outside the square
What you need is a low
Tell me your in the Dallas area and need help!
-Original Message-
From: Magnus Danielson [mailto:[EMAIL PROTECTED]
Sent: Saturday, August 04, 2007 7:31 PM
To: time-nuts@febo.com; [EMAIL PROTECTED]
Subject: Re: [time-nuts] Timing on Ethernet
Well, guess what I do for a living...
Cheers,
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Neville Michie wrote:
Hi,
Low frequencies penetrate the ground to some depth.
However, propagation may vary seasonally as groundwater
concentrations change.
cheers, Neville michie
Neville
Even without the seasonal
Ah, but what if one used the tunnel itself as a waveguide, and
propagated an RF signal down it? Would it then reliably arrive at all
the points, with a known delay?
Since the tunnels are probably at least ten meters wide and tall,
that's a pretty low frequency, which is easy to generate, and
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Thomas A. Frank wrote:
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Ah, but what if one used the tunnel itself as a waveguide, and
propagated an RF signal down it? Would it then reliably arrive
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