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How JT65-HF Came to be.

In the early Summer of 2007 I saw a [very] small article about using JT65 on the HF bands in

QST magazine, probably the May or June issue. It explained that a few amateurs were using

this Earth Moon Earth purposed mode on HF and, being an EME mode, that it could do

seemingly amazing things with weak signals. This intrigued me as with my location in a

dense urban area and little room for decent antennas all the signals I could pick up seemed

weak.

So I downloaded WSJT, read Andy's (K3UK) Bozo's guide to JT65 and the rest is history.

(Thank you Andy! I don't know if I would have figured out how to actually use JT65 and stuck

with it to this point without the Bozo's Guide.)

I became almost instantly hooked on using JT65... I could suddenly work stations in areas

with ease that, even on a good day, were near impossible to get through to with other modes.

To be able to work South Africa using 1 watt from Northern California was quite exciting

considering the poor state of prop and my antenna situation.

As time passed I came to understand that WSJT produces a file containing a log of all its

receptions and, at first, I started looking at this file after leaving WSJT running to see what I

had heard while away... then the epiphany came. If I could do this so could others and what if

we could share this over the internet and see what each other was receiving... I wrote a

program that would read the file, send the reports to a server on the internet and anyone who

wanted to participate could submit their spots in real time for all interested to see. Over time

more stations joined the RB Network and it was a very exciting time (and still is).

The name, 'Reverse Beacon' was suggested by KC2QII when I originally started working out

how the system would work in the Summer of 2007. I had thought of several other names for

the system, but, Javier's suggestion of Reverse Beacon seemed so correct that I quickly

adopted it as the system's name.

None of this would have came to be without the encouragement I received from those first

early users of the RB system and RB operators. Thanks to KC2QII, N9DSJ, PR8ZX,

VE3CDX/W7, VK2IT, GI8HXY, DL2RMM, EA1FAQ, PY8ELO, GW6TYO, JE5FLM and

GW8ASA for keeping me motivated through those first few weeks/months of the RB project

and for being early RB stations when the RB online list was small compared to now.

So... this really all began with the RB Network and JT65-HF began its development as a

program to improve the data flow into the JT65 RB Network sometime in 2008. In fact I had

originally thought of JT65-HF as being a receive only platform for those running RB stations.

It quickly changed to what it is now, both a full featured JT65 QSO platform and a much

enhanced RB platform.

The original system of using WSJT plus the RB helper program was lacking, both in long term

viability and overall function. Since WSJT did not do multiple decodes you would only decode

the strongest transmission in any period unless you manually forced a decode of any

additional signals, also, I began to find issues with keeping the RB program working with

WSJT as people migrated to Windows Vista and, later, Windows 7 as the location of the

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Carrier 42 HQX Manual de usuario Pagina 43