Am Dienstag, 6. Februar 2007 04:07 schrieb Carl Lowenstein: > On 2/5/07, Dexter Filmore <[EMAIL PROTECTED]> wrote: > > This is me writing > > > > > > If your room layout allows it, a simple parabolic reflector put on the > > > usual single vertical antenna can confine the signals to about a > > > 90-degree sector, with a corresponding 4 times increase in > > > sensitivity. That's 12dB. Also keeps the signals out of the street > > > in front of the house. > > > > Don't know about the situation over there in your parts, but as soon as > > you go "parabolic" you blow the allowed EIRP and the device becomes > > illegal to toperate - at least here in .de. > > How does this differ in principle from going to the store and buying a > high-gain antenna?
The antenna from the store is designed to max the EIRP limit, while building a custom one and meeting the specs without a laboratory is almost impossible. -- -----BEGIN GEEK CODE BLOCK----- Version: 3.12 GCS d--(+)@ s-:+ a- C++++ UL++ P+>++ L+++>++++ E-- W++ N o? K- w--(---) !O M+ V- PS+ PE Y++ PGP t++(---)@ 5 X+(++) R+(++) tv--(+)@ b++(+++) DI+++ D- G++ e* h>++ r* y? ------END GEEK CODE BLOCK------ http://www.stop1984.com http://www.againsttcpa.com -- [email protected] http://www.kernel-panic.org/cgi-bin/mailman/listinfo/kplug-list
