Hi Phil,
nothing at all. I'm still in debt with you since I looked into your
Reed-Solomon Berleykamp-Massey decoder C source codes twenty years ago
or so which, along with Peterson's Error Correcting Codes book, gave me
the opportunity to learn something more than I was teached at university.
Se
On 5/16/21 09:15, Nico Palermo wrote:
> Hi Phil,
>
> I don't know what Joe used in WSPR but, for instance, he told me that
> he generated the sync sequence used in Q65 by means of direct optimization
> of its autocorrelation function, not in an algebraic way, so that its
> lateral peaks
> were mini
On 5/16/21 09:57, Joe Taylor wrote:
> Hi Phil,
>
> There was no generator polynomial, as such. Rather, the sync vector
> was chosen for its good autocorrelation properties simply by looking
> at a very large number of randomly generated bit patterns of the
> required length and weight.
>
> --
> On May 16, 2021, at 10:37, Rich - K1HTV wrote:
>
> Next, I tested the watchdog timer , calling the BD station using the Tx1
> message, By that time that station was much weaker. As I continued calling,
> after about 2 minutes the WD counter decremented to 5. After another 2
> minutes, the
Hi,
Simplest could be to rename the current wsjtx_log.adi to any suitable name say
wsjtx_log_210516.adi. When you open wsjt-x next time all previous worked before
information is no more displayed. A new wsjtx_log.adi file is automatically
prepared for you.
If you want whole of this year as st
Dear Developers
Now that the Sporadic E season is in full swing on Six meters, I want to start
again with square hunting for 2021 and make the Band Activity colours display
only this year's ?
What can be done ?
73 de G4SWY DEL +++
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Hi Phil,
There was no generator polynomial, as such. Rather, the sync vector was
chosen for its good autocorrelation properties simply by looking at a
very large number of randomly generated bit patterns of the required
length and weight.
-- 73, Joe, K1JT
On 5/16/2021 3:53 AM, Phil
Hi Phil,
I don't know what Joe used in WSPR but, for instance, he told me that
he generated the sync sequence used in Q65 by means of direct optimization
of its autocorrelation function, not in an algebraic way, so that its
lateral peaks
were minimum only in a limited time shift interval.
I guess
I've been running WSJT-X version 2.4.0-rc4 on a quad core Dell Z440
computer using Windows 10. I've found what appears to be an anomaly that I
don't recall seeing as being reported. I was calling a BD station in China
on 17M FT8,. I called using the Tx2 vs the Tx1 message. I noticed that as
the min
Does anyone have the PN generator polynomial for the WSPR sync vector?
The source code seems to have only the generated (sub)sequence, not the
algorithm for generating it.
Thanks!
Phil
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