Lastly, TX will begin at the next valid even numbered minute
Should you wish to stop this you would click Halt TX
JT65-HF, from its inception, has as its central concept the idea that the software will do all it
can to direct its users into using proper JT65 techniques, thus promoting successful contacts.
This is why it disallows starting a transmission at arbitrary points in a minute, typing
messages longer than can be sent into the free text buffer, attempts to insure you TX on the
proper period and offers to zero beat your signal to the station you wish to work (TX DF).
With experience JT65 really is a simple communications protocol to work with, but, for those
not accustomed to its unique requirements of timing and message formatting it can be a little
unforgiving. An inexperienced user of JT65 can, and often has, made a mess of things by
trying to send text that can't actually be sent, starting/stopping TX at arbitrary points and not
matching his signal offset with the other side. As if all this is not enough to worry about you
have to add in things that JT65-HF can not control such as running too much power or having
a local time reference that is not properly synchronized. So, JT65-HF attempts to control and
guide where appropriate with the goal of making this easier for the end user and the rest of
the community on the air.
While JT65-HF attempts to do many things for you and can even seem somewhat restrictive
it, in fact, will allow you almost total manual control. The only thing you can not do with JT65-
HF is start a TX cycle when it makes no sense to do so, or, better put, start a TX cycle where
there is almost zero probability of it being properly received by any other station.
Many have agreed with me when I say much of this is harder to explain than to use, hopefully
you will find yourself to be in agreement with this as well. My best advice is to take your time,
watch how others run JT65 contacts (both correctly/incorrectly) and jump in when you feel
you're ready. We have all been new users to this mode at one time or another and realize
that patience with the learning curve is necessary. One other piece of advice is to listen to
others if they're offering suggestions or pointing out problems and, above all else, ask
questions if something is unclear. The JT65 community on the HF bands is a very
knowledgeable group and will bend over backwards to help newcomers.
Now that how to answer a CQ call has been covered lets move on to how to call CQ properly.
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