In article KCy5j.2781$md.534@trnddc06,
"Dale Parfitt" wrote:
Yes, for shortwave a 10-20 foot piece of wire can be used. You do not need
to spend a lot of money to get started. If noise is an issue, google
for 'shielded loop antenna'. You can also buy more expensive antennas.
Try,
http://www.universal-radio.com/catalog/sw_ant.html
Why would a shielded loop receive less noise than, say, a classic wire turn
loop?
Dale W4OP
Shielded loops are less sensitive to local inductive E fields.
--
Telamon
Ventura, California