[time-nuts] WWVB Response
Bob Camp
lists at rtty.us
Thu Sep 27 22:03:26 UTC 2012
HI
Wasn't the original question about the transmitted bandwidth? If not, then I answered the wrong question.
I am indeed very interested in what the transmitted bandwidth actually is.
Bob
On Sep 27, 2012, at 2:48 PM, J. Forster <jfor at quikus.com> wrote:
> In this area, you cannot get the BW down enough for a usable signal
> without killing the time response to the BPSK transitions.
>
> YMMV,
>
> -John
>
> ================
>
>
>> Hi
>>
>> I suspect the bandwidth is > 1 Hz, since they want to get the data bits to
>> reliably flip within a second. I'm sure the bandwidth is limited for a
>> number of reasons.
>>
>> Bob
>>
>> -----Original Message-----
>> From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
>> Behalf Of paul swed
>> Sent: Thursday, September 27, 2012 1:57 PM
>> To: Discussion of precise time and frequency measurement
>> Subject: Re: [time-nuts] WWVB Response
>>
>> less then 10 hz and more like 1
>>
>> On Thu, Sep 27, 2012 at 1:15 PM, Hal Murray <hmurray at megapathdsl.net>
>> wrote:
>>
>>>
>>> jfor at quikus.com said:
>>>> The AM just makes the situation in low S/N areas worse. The BPSK wipes
>>> out
>>>> the possibility of any very narrow band prefiltering, because of
>>> filter
>>> time
>>>> response.
>>>
>>> What is the bandwidth of the transmitted signal?
>>>
>>>
>>> --
>>> These are my opinions. I hate spam.
>>>
>>>
>>>
>>>
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>
>
>
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