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Re: LF: Monitoring 2190m WSPR

To: N1BUG <[email protected]>
Subject: Re: LF: Monitoring 2190m WSPR
From: Chris Wilson <[email protected]>
Date: Thu, 26 Oct 2017 11:42:35 +0100
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Hello Paul,

I am surprised you have had issues with WSPR-X and WSPR15 I often
forget I have it running in tandem with WSPR2 on WSJT-X and it is
still sound and solid after a few days. PC is Windows 7 pro 64 bit.
But it was also fine on Windows XP which I still run on another PC and
on a laptop. The developers were very none receptive to adding WSPR15
to WSJT-X :( I keep trying to get over to Maine most nights, but
conditions  or  Lady Luck have not obliged so far. There don't seem to
be  THAT  many  more  US stations on LF after the licence change, I was
expecting  far  more  to  be  honest.  Good  luck  Paul, don't let Mr.
Beveredge down :)


Thursday, October 26, 2017, 11:23:31 AM, you wrote:

> I wish it were possible to have more WSPR-15 activity on LF. It 
> seems like a very promising mode and would be much more interesting 
> to me than Op32. Unfortunately for many of us the old WSPR-X 
> software needed to decode it is too unstable to run unattended. 
> Unless there are MANY requests to the developers that WSPR-15 be 
> included in the stable WSJT-X software, I am afraid we have seen the 
> death of this sub-mode. If I could have a stable WSPR-15 decoder I 
> would definitely monitor that mode alongside WSPR-2.

> I'm struggling with my U3S assembly. All went well until I got to 
> the coils in the LF and MF low pass filters. Those are giving me 
> fits. The supplied wire came with many pre-installed sharp kinks, 
> plus I seem to have no skill whatsoever at this "scramble winding" 
> to get the required turns on the cores. I'm waiting now for a new 
> spool of wire to arrive before I try again. I've thought about 
> substituting a different core to allow a single layer winding. A 
> FT-37-61 would be lovely with 31 turns on LF. However I fear the Q 
> would be too low and losses high. Best to stick with what is proven, 
> if I can only learn to wind the devils!

> I have the GPS with my U3S and also the OCXO (which I plan to 
> assemble later, after getting everything working with the standard 
> synthesizer).

> 73,
> Paul N1BUG




-- 
Best regards,
 Chris                            mailto:[email protected]


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