Hi all,

I needed to copy the "configure" script from an earlier version
and, as usual specify F2PY as f2py3 then the "make" went smoothly.

Alan VK2ZIW


On Thu, 25 Jun 2015 16:03:49 -0400, Joe Taylor wrote
> Hi all,
> 
> My, you've been busy here -- lots of very impressive progress!  Many 
> thanks to all of you contributors to the WSJT-related projects!
> 
> [Brief aside: My wife and I thoroughly enjoyed our 8-day cruise -- 
> Venice to Athens, with stopovers at ports on the Dalmatian coast: 
> Split, Korcula, Dubrovnik, Kotor, Butrint, Corfu, and Delphi; then 
> into the Ionian sea and through the Corinth canal into the Aegean, 
> ending at Piraeus.  Two canceled flights on the way home extended 
> our trip by more than 24 hours, and 2 of our 3 bags are currently 
> lost -- but otherwise all is well.]
> 
> Here's a start toward responding to some issues raised in the past 
> two weeks:
> 
> 1. I've briefly tried the G4WJS "r5629-dirty" version of WSJT-X -- 
> the one with Bill's suggested changes to the user interface.  They 
> look very good, and I suggest they should be committed to our -devel 
> branch.
> 
> 2. Our other "Bill", ND0B, has made great progress with implementing 
> short-sequence ISCAT capability in WSJT.  Bill has a bunch of 
> enthusiastic testers using it on 6 meters with excellent results.  I 
> haven't tried it yet, but after reading the reports from others it 
> seems that you must be nearing the point of committing the "v9" code 
> (or something similar) to the SVN repository.  Is that right?
> 
> A related question: Bill has started a Yahoo Group (possibly to 
> changed to a Google Group?) to host discussion among the testers of 
> his experimental version.  No doubt this made good sense in early 
> phases of the effort; there's a downside, however, to moving away 
> from this list some important communication among programmers 
> working on WSJT-related code.  If others have views on this matter,
>  please share them here.
> 
> 3. Related to the above ISCAT developments: Bill (ND0B), do you have 
> a few example *.wav files illustrating the "RRS/RRT" decoding 
> problem?  If so, could you post them somewhere or send them to me? 
>  I'd like to look into the problem.
> 
> 4. It's hardly surprising that Charlie (G3WDG) and others have found 
> that "correlation decodes" (in WSJT-X, presently implemented only 
> for JT4) can produce different confidence levels and (rarely) even 
> different message results when run against CALL3.TXT files of very 
> different lengths.  After all, the correlation algorithm is 
> effectively answering these two questions:
> 
>     A) Which one of the following list of plausible messages best 
> matches the tone sequence of the received signal?
> 
>     B) Is the "best" match better than the "second-best" match by a 
> large enough margin for us to be reasonably certain we have a valid decode?
> 
> Obviously, the answers to both questions will depend on the length 
> of the list of plausible messages, which is generated from call+grid 
> combinations derived from CALL3.TXT, augmented by the "DX Call" and 
> "DX Grid" entries on the main window.  If the list is short (but 
> still contains the call and grid actually in the message), the 
> chances of a correct decode and the estimated confidence in its 
> validity will be higher than with a long list.
> 
> 5. I'm delighted to hear that Steve (K9AN) has implemented a WSPR 
> signal subtraction algorithm that works so well!  I haven't looked 
> at the code or tried it yet, but from Steve's report it sounds like 
> we should make wsprd_exp (renamed to wsprd) the default WSPR 
> decoder.  Perhaps we can use the existing "Fast / Normal / Deep" 
> selection on the "Decode" menu to control whether subtraction and 
> multi-pass decoding will be used, or not?  I'm not too worried about 
> the longer decoding times: as we have found previously, significant 
> optimizations will likely be possible after we have it working well. 
>  Furthermore, fast decoding is arguably of minimal importance in 
> WSPR mode, since no quick operator interactions are required.
> 
> 6. Signal dropouts in the *.c2 files are a concern -- we'd better 
> find out what's causing them.  An important question to be answered: 
> are the dropouts present in the c2 array in memory, or just in the 
> file as written to disk?
> 
> That's probably enough for my first day back on the job...
> 
>       -- 73, Joe, K1JT
> 
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Alan

Man's greatest waste of time: Worshipping the wrong God.
Consider Jesus.
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network devices and physical & virtual servers, alerts via email & sms 
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