On Nov 12, 2007, at 10:14 PM, Eric Lemmon wrote:
> Nate,
>
> I appreciate your suggestions and comments, even though we have
> differing
> opinions about accuracy. In my area, starting an ARES or MARS net a
> minute
> or two early or late is not acceptable. We pride ourselves at
> beginni
Behalf Of Eric Lemmon
Sent: Monday, November 12, 2007 10:15 PM
To: Repeater-Builder@yahoogroups.com
Subject: RE: [Repeater-Builder] Dallas Semiconductor Real-Time Clock (Was
RC-96 Controller Problem)
Nate,
I appreciate your suggestions and comments, even though we have differing
opinions about accur
groups.com
[mailto:[EMAIL PROTECTED] On Behalf Of Nate Duehr
Sent: Monday, November 12, 2007 11:57 AM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Dallas Semiconductor Real-Time Clock (Was
RC-96 Controller Problem)
Eric Lemmon wrote:
> Don,
>
> The "on-the-hour&
Eric Lemmon wrote:
> Don,
>
> The "on-the-hour" tone is an 800 ms burst of 1500 Hz. I have built a PLL
> 1500 Hz tone detector into a Hamtronics WWV receiver, and it works fine-
> giving me a relay contact closure exactly on the hour. Unfortunately, that
> would only allow me to jam-set the minu
essage-
>From: Repeater-Builder@yahoogroups.com
>[mailto:[EMAIL PROTECTED] On Behalf Of Don Kupferschmidt
>Sent: Sunday, November 11, 2007 5:43 PM
>To: Repeater-Builder@yahoogroups.com
>Subject: Re: [Repeater-Builder] Dallas Semiconductor Real-Time Clock (Was
>RC-96 Controller Problem)
, Eric Lemmon WB6FLY
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of Don Kupferschmidt
Sent: Sunday, November 11, 2007 5:43 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Dallas Semiconductor Real-Time Clock (Was
RC-9
YES! YES! YES! Thank you Ken!
-Original Message-
From: Repeater-Builder@yahoogroups.com
[mailto:[EMAIL PROTECTED] On Behalf Of Ken Arck
Sent: Sunday, November 11, 2007 3:16 PM
To: Repeater-Builder@yahoogroups.com
Subject: Re: [Repeater-Builder] Dallas Semiconductor Real-Time Clock
- Original Message -
From: "Eric Lemmon" <[EMAIL PROTECTED]>
To:
Sent: Sunday, November 11, 2007 3:27 PM
Subject: [Repeater-Builder] Dallas Semiconductor Real-Time Clock (Was RC-96
Controller Problem)
> Mike and others,
>
> The Dallas Semiconductor "No
At 01:27 PM 11/11/2007, you wrote:
>One of the Hams in my area is experimenting with a scheme
>to use a so-called atomic clock to jam-set the correct time once per day.
>With regular synchronism to WWVB, the time announcements will normally be no
>more than a second off. Once he gets this idea wo
Mike and others,
The Dallas Semiconductor "Nonvolatile Timekeeping RAM" found in many popular
controllers, including the Link RLC-1 Plus, is Part Number DS1643-150. The
11-page datasheet can be downloaded here:
Notice that the "-150" indicates 150 ns access time. The replacement device
offere
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