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Technical
The operation of sending
e-mails on HF/SSB can sometimes be frustrating, and surely takes
time and patience. There are some objectives which need to be
addressed prior to getting or sending e-mail via SSB.
1. Receiver & transmitter should be a FCC: typed unit. The
transceiver should be aligned, and on frequency. Stability [plus
& minus 10hz] is necessary
2. A good engineered antenna system for the design of your vessel.
3. Most important, but usually overlooked is a superb grounding
system. Highly recommended is grounding plates on the hull of
your vessel. The
RF grounding system is completely separately from the DC or electrical
grounding system.
4. If the electrical run between the computer and the SSB radio
is farther than 3-4 feet, it is recommended that RF chokes be
installed at both ends of the electrical and communications cables.
This practice minimizes the possibility of RF pickup into the
computer and the TNC [Terminal Node Controller].
5. The RF electrical run from the auto-tuner to the ground either
a 6X18 inch ground plate or 2-3 thru holes connected together
should not exceed 5-7 feet. It should be kept separate from other
electrical and communication lines. A good grounding strap should
be a 1 inch to 2 inch wide copper strap, not wire.
For installation instructions
please connect to Radio Installation for SSB radio's on the home
page.
For consulting assistance for new or old installation contact
Dr. John Gregory at W3ATE@earthlink.net.
CruiseEmail has engineering
services that specialize in SSB installs, for any type of marine
vessel.
Contact
us today to get your service started!
CONTACT US!
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