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Go Back   SailNet Community > Skills and Seamanship > Apps & Authors > Where & When propagation tool
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Topic Review (Newest First)
10-09-2013 04:34 AM
Yachtfunk
Re: Where & When propagation tool

Dear Sailor´s,
the propagation tool " Where & When" is in the final stage.
You can download this version on our homepage Intro - www.yachtfunk.com

https://www.facebook.com/photo.php?f...7453789&type=1
09-17-2013 10:25 AM
SVAuspicious
Re: Where & When propagation tool

Guten Tag Joerg,

I look forward to your new tool. I generally use ICEPAC (ITS HF), mostly with the user interface provided by Airmail which makes it pretty easy to interpret. The native ICEPAC interface is indeed less than user friendly if you don't use it often.

An additional benefit of Airmail with either Winlink or Sailmail is that the sunspot data is updated every time you connect. Waiting for the information on WWV (and I assume CHC, VNG, JJY, ZSC, and others) can be boring and disruptive to other tasks.

I think that a non-Internet based update mechanism is necessary however for those at sea or otherwise without Internet.

I looked at your website. Very interesting. The English version has a good bit of Deutsch intermixed, and the English needs a good bit of polishing.
09-17-2013 12:52 AM
Yachtfunk
Where & When propagation tool

This question is very often asked in relation to voice connections on shortwave. eg sailing yacht "XY" in St. Lucia would like to connect with their friends yacht "AB" in Nassau / Bahamas a connection via shortwave radio in SSB.
In this case we have a small utility tool designed and (per frequency band) fed with the marine frequencies / amateur radio frequencies. This tool is calculated based on the two positions of the yachts "XY" and "DOWN" and the current sunspots and the solar flux index numbers, the optimum frequencies and times.
If both boats are now using this little tool, you always know at what frequency and at what time a radio link to 100% is possible.
It does not matter here that one has, the sunspot numbers and solar flux index, the 100% exact position of the other party do not change within a span of 2-3 weeks so, the forecast errors are calculated.
In our testing with a few beta testers, we have predicted at any time our callers can reach since October 2012.
The "Where & When" propagation tool is an absolute must have for sailors with SSB radio on board.

For the amateur radio operators of you lies a myriad of tools and programs on the net but some of them are presented as complicated and cumbersome, which makes it a little fun to work with.
Keep it simple!
- Install program tool
- PC with NMEA data feed (GPS Mouse, Raymarine, etc.)
Sunspot load from the internet -
- Enter the approximate position (Lat. and Long.) Of the interlocutors
*


System requirements: Windows
GPS data (NMEA) via navigation systems or GPS Mouse

A trial version is available on my website for download
Intro - www.yachtfunk.com

1500 payed downloads in 4 month !! amazing !! Thanks guy´s !!

fair winds Joerg

 
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