This article is from the Digital Broadcast Satellites FAQ, by Brian Trosko firstname.lastname@example.org with numerous contributions by others.
Most anything that will hide a dish from view will also
However, there are third party companies which sell
concealment for the dish, usually in the form of a fake
boulder or skylight. Also, people have reported
hiding the dish inside a vinyl garbage can, or even a
garbage bag, without too adverse an effect on signal strength.
Keep in mind that HOAs can no longer prevent you from using a
satellite dish under one meter in diameter, provided you own
your house and your property.
For further, more specific information, see the following FCC links: