[Lowfer] early T/A

Neil Klagge lowfer.nklagge at gmail.com
Sat Nov 2 21:47:03 EDT 2013


OK, so I guess that the pgm is assuming it will be a complete decode
several minutes later than the time it is currently processing?

Odd.
Thanks Jay.

NK

w0yse, Layton Utah


On Sat, Nov 2, 2013 at 7:41 PM, <jrusgrove at comcast.net> wrote:

> Neil
>
> I asked this of Markus some time back ... here is his response:
>
> "It is normal that each sequence is picked up in several consecutive FFT
> slots with varying degree of temporal overlap, producing partial
> correlations. A spot is displayed as soon as the correlation peak reaches
> the 15 dB threshold, which often happens many minutes before the sequence
> is really completed. The early results are replaced by later ones if these
> are better, ie. higher correlation dB's in the rightmost column. Usually
> (but not always) the best detection occurs around the time of highest
> overlap."
>
> Jay
>
>
>
> ----- Original Message ----- From: "Neil Klagge" <lowfer.nklagge at gmail.com
> >
> To: "Discussion of the Lowfer (US, European, &amp,UK) and MedFer bands" <
> lowfer at mailman.qth.net>
> Sent: Saturday, November 02, 2013 9:30 PM
> Subject: Re: [Lowfer] early T/A
>
>
>
>  Jay, why is the most recent decode always about 15 minutes ahead of zulu
>> time on your grabber?  Is that time synced to your computer clock:?:?
>>
>> Neil Klagge
>>
>> w0yse, Layton Utah
>>
>>
>> On Sat, Nov 2, 2013 at 2:59 PM, <jrusgrove at comcast.net> wrote:
>>
>>  Markus making the trip on OPDS32 at 2024Z ...
>>>
>>> http://www.w1vd.com/OPDSgrabber.html
>>>
>>> Jay W1VD  WD2XNS  WE2XGR/2  WG2XRS/2
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