[Date Prev][Date Next][Thread Prev][Thread Next] - [Date Index][Thread Index][Author Index]

Re: Polarity questions




On Fri, September 19, 2008 16:58, Ryan Butler wrote:
> Tim Tapio wrote:

Hi Tim,

>> How much signal reduction is there as the result of having the wrong
>> circular polarization?

> The difference between RHCP and LHCP is 20 dB
>
> The difference between Horizontal and Vertical Linear is 20 dB
>
> The difference between (RHCP or LHCP) and (Horizontal or Vertical) is 3 dB

If I understand right, you only get 3db extra when using CW/CCW but I have
also read somewhere that you also lose 3db when running CW/CCW so why use
Circulair polarisation and not just Horizontal or Vertical pol.

> Ryan, NF0T

73's Jan / PE0SAT

_______________________________________________
Sent via AMSAT-BB@amsat.org. Opinions expressed are those of the author.
Not an AMSAT-NA member? Join now to support the amateur satellite program!
Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb



AMSAT Top AMSAT Home