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Steve G1KQH's Amateur Radio Blog "The Font of all Knowledge"

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VOAPROP configuring 2021

Posted: 05 Oct 2021 11:43 AM PDT http://g1kqh.blogspot.com/2021/10/voaprop-configuring-2021.html


Sunspots are getting higher! Band conditions are improving once again,
it's time to get active! It is nice to be able crunch all the data and get
a daily understandable, updated plot, and find out what bands may be
workable, where and when, under this improving cycle.
VOAPROP is a graphical propagation presentation program, written many years
ago by the late G4ILO, used in conjunction with VOACAP as its engine. It is something I have used for years, until I encountered a PC crash recently
that took out my motherboard, and which I had to scrap off the entire
computer and set up a newer PC with a copy of Windows 10.


However the new installation of VOAPROP didn't go smooth, and it made me scratch my head over a few long nights. The first problem encountered the software was not updating the Solar data? I know G4ILO had done some work
on this around 2014 when WWV changed the solar file format. This is logged
in G4ILO's last notes about the update. Important notice: -------------------------------------------------------------------------------------------------------------------(Because
of a change in the format of the WWV solar information file updates now
fail with an error. Thanks to Mirek, OK1DUB a fixed version of the file
has been made available. The URL in the Solar Data window must be http://ok1dub.cz/wwv/wwv.txt ) -------------------------------------------------------------------------------------------------------------------
OK1DUB runs the server that takes the newer file format, and then converts
it to the old format VOAPROP can use
However the above link which the software comes packaged with now proves dead! But the server still continues to work, and it's new link which URL I eventually found, must be pasted into the program Solar Data window is: https://ure.cz/wwv/wwv.txt Second problem encountered with Windows 10. When
I pasted the new URL into the software, still produced an error and was not updating the voaprop.config file? Again another few hours of late night
head banging and scratching, Grrr! Eventually, I found the reason why?

This is down to a configuration setting against the program itself, and
Windows 10. What you must do, is right click on the VOAPROP icon on the
Windows desktop, and click Run as administrator then add the URL again to
the Solar data window, and this time it will update the file, and
everything will then start to work, and you will see the Solar data update.

If you also pop down to Mirak's site http://ok1dub.cz/wwv/ you will also
be able to find updated ssndata.txt and beacons.txt files which you can download and update in the root of the program.













Once you have all this updated, the program will perform flawless without
any problem.








My thanks must be to the late G4ILO for writing such a superb piece of software, and his family that still keep his website open https://www.g4ilo.com/

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