[time-nuts] New NIST Time Code to Boost Reception for Radio-Controlled Clocks

paul swed paulswedb at gmail.com
Sun Jun 1 10:35:25 EDT 2014


Good morning to the group
I do have the extendwave chip sheets. But they are 668K generally in size
so can not send through Time-nuts. I have sent them to Scott already.
Regards
Paul
WB8TSL


On Sat, May 31, 2014 at 11:34 PM, Alexander Pummer <alexpcs at ieee.org> wrote:

> here is a description how a receiver works for a time signal with very
> similar modulation
> http://caxapa.ru/thumbs/417284/Engeler_DCF77.pdf
> 73
> KJ6UHN
>
>
> On 5/31/2014 2:23 PM, paul swed wrote:
>
>> I had reached out several times to the new wwvb chip maker for this
>> timecode.
>> And though first run chips were available they are not to us unless we
>> want
>> 1000 of them. Also pricing is unclear.
>> That said yes the intent is to receive time. The new chip doesn't easily
>> allow a way to d-psk the signal. Though it can be helpful.
>> Regards
>> Paul
>> WB8TSL
>>
>>
>> On Sat, May 31, 2014 at 4:31 PM, Brooke Clarke <brooke at pacific.net>
>> wrote:
>>
>>  Hi:
>>>
>>> What are the left two digits telling us?
>>> http://www.nist.gov/pml/div688/wwvb-030513.cfm
>>>
>>> I've emailed John Lowe & James Burrus the above question and for more
>>> information about the different transmission modes as well as more
>>> information about the hardware shown on the above web page.
>>>
>>> --
>>> Have Fun,
>>>
>>> Brooke Clarke
>>> http://www.PRC68.com
>>> http://www.end2partygovernment.com/2012Issues.html
>>> http://www.prc68.com/I/DietNutrition.html
>>>
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>
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