User`s manual

SG-211 User’s Manual
© 2004 SGC Inc. Page 27
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3.4.8 Beams
The radiating element of a beam is a dipole antenna fed
with coaxial cable. Connecting a beam to the SG-211 is
accomplished by connecting the coax to a coax pigtail.
3.5 Tips & Tricks
1. The most frequent source of problems in
unbalanced antenna systems is the RF Ground.
RF grounding is frequently misunderstood and
poorly implemented. See our book The HF
User’s Guide available free for download from
www.sgcworld.com.
2. Be aware of the difference between a SAFETY
ground and an RF ground. Safety grounding is
necessary to protect your life and property from
coming into contact with lethal doses of
electricity. RF grounds, when required, are
necessary to the operation of your antenna
system. Connecting the two together can inject