[time-nuts] new WWVB BPSK dev board

[David G. McGaw]

Sorry about that garbled link.  Blame Dartmouth's over-zealous IT. Just 
look for "rtl-sdr direct sampling mode" at rtl-sdr dot com.


On 12/4/18 11:09 PM, David G. McGaw wrote:
> Actually, an RTL-SDR can because there is direct access to the ADC
> available by soldering to internal pads:
> https://na01.safelinks.protection.outlook.com/?url=www.rtl-sdr.com%2Frtl-sdr-direct-sampling-mode%2F&data=02%7C01%7Cdavid.g.mcgaw%40dartmouth.edu%7C26d18a151e124b336e5008d65a679402%7C995b093648d640e5a31ebf689ec9446f%7C0%7C0%7C636795798255645762&sdata=k7qbMd66xKxoL28CemtFlw5cbhLHMgU01NZlOnfY7Lw%3D&reserved=0  That will give you 8-bit,
> 14.4Msps.
>
> But as has also been said, a good sound card sampling 24 bits at 192kHz
> can be used.
>
> David N1HAC
>
>
> On 12/4/18 6:54 PM, Poul-Henning Kamp wrote:
>> --------
>> In message <2e7cf0ff-4094-2750-4874-96dfe2efe485 at earthlink.net>, jimlux writes:
>>
>>> I'm going to bet that the 8 bit RTL-SDR isn't going to work on 60kHz.
>> I don't know about the RTL-SDR, but 8 bits will get you quite far with
>> slow moving time signals like WWVB because you can average for minutes
>> if you want - provided you feed the ADC a good stable clock.
>>
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