[time-nuts] New WWVB modulation format receivers (NOT)

J. Forster jfor at quikus.com
Thu Feb 20 16:34:42 EST 2014


At least on the Atlantic coast, the WWVB signal levels jump all over the
place, certainly 40 dB and maybe more.  If a receiver cannot deal w/ that
w/o losing lock, it's nearly useless.

OTOH, LORAN was always a whopping signal.

-John

================



> Chuck thats easy. Because I could make it work. :-)
> That said there was a post on time-nuts about LORAN C receiver in
> software.
> I responded and have had the great pleasure of communicating with Matthias
> over the last two weeks. I have learned a lot already and he in return has
> a tested LORAN C receiver.
> So with some luck just maybe I can become smart enough to do a better
> design in software on a $15 micro. You still need the RF frontend section
> that I released quite a while ago to time-nuts.
> Regards
> Paul
> WB8TSL
>
>
>
> On Thu, Feb 20, 2014 at 4:02 PM, Chuck Harris <cfharris at erols.com> wrote:
>
>> At 60KHz, it shouldn't be out of range of most
>> general purpose CPU's, and even the most pathetic DSP.
>>
>> Why bother with a hardware solution when software can
>> do it more easily?
>>
>> -Chuck Harris
>>
>>
>> Florian Teply wrote:
>>
>>> Well, if someone comes up with a circuit, I could check how much chip
>>> area that would consume in a 250nm SiGe BiCMOS... Shouldn't be out of
>>> range for a serious time nut ;-)
>>>
>>> Florian
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