S G - 23 7 S m ar t un er ™ M anual
SGC, 13737 SE 26
th
Street Bellevue, WA 98005 USA • Ph: 425-746-6310, Fx: 425-746-6384, Email: sgc@sgcworld.com
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SGC RESERVES THE RIGHT TO CHANGE SPECIFICATIONS WITHOUT NOTICE
Copyright SGC 2008
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Flagpole: If a flagpole is made of PVC pipe, it is easy to tape a large gauge wire to the inside of
the pipe and use a good counterpoise. Typical flagpoles are 25 to 35 feet in height, which offers
excellent performance on all bands. Note the ground radials that are necessary with any long
wire or vertical antenna.
Helicopters/Planes: The Smartuner will also match well the more common wire antenna from
fuselage to vertical stabilizer (and continuing to a wing tip, if desired) and a long wire antenna
under the tail and rotor of the helicopters. When installed in an aircraft, the Smartuner will
operate well with a shunt-fed antenna. This is generally a 13-foot piece of metal that mounts on
the fuselage and is grounded to the aircraft at one end.
