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

Alexander Pummer alexpcs at ieee.org
Sat May 31 23:34:23 EDT 2014


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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