Hello ,
I've lost the link for WSE rx manufacturers ( formerly antennspecialisten) ,
any help?
73 Dom
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Zaba -- Thanks for comments on feedline velocity factors.
Leif --
We may have miscommunicated on how phase shifts in the X and
Y channels affect the computed polarization state of a signal.
I was worrying about the fact that 1/4 wavelenth of extra
delay in the Y channel, say, will make a lin
Sirs! Leif & Joe,
In addition to all the interesting observations and suggestions
regarding the polarization (indication) challenges it is maybe
useful to add that once we ignite our perfectionist behavior and
begin to trim all of the feed lines and matching as near to ideal
as possible, it is g
Hi Joe,
> I have been thinking more about the Linrad polarization
> questions that I raised here two weeks ago.
>
> I wrote:
>
> >>Suppose they [the feedline lengths in X and Y channels]
> >>are not well matched. In other words, suppose that
> >>the complex gains and signal delays in the two
Hi Leif,
I have been thinking more about the Linrad polarization
questions that I raised here two weeks ago.
I wrote:
Suppose they [the feedline lengths in X and Y channels]
are not well matched. In other words, suppose that
the complex gains and signal delays in the two polarization
chan
Leif, Zaba, and all,
Many thanks for the clear explanations!
-- Joe, K1JT
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Thanks Leif for all explications!
As such it is clear that in stable conditions (no polarization
change) a signal
emanating from one source must be able to show a fixed polarization state
irrespective of its spectral content, but any offset from the real
value is due
to feed line length diff
Hi Joe, Zaba and all,
> Ideally, I suppose, with an xpol antenna one would like to have
> phase-matched preamps for the two polarizations and equal
> electrical lengths for the two Rx feedlines.
Sure:-)
> Suppose they are not well matched. In other words, suppose that
> the complex gains and
Sir Joe!
As far as I have understood Linrad tries to combine the incoming
spectrum of two
antennas in order to reach a signal vector maximum for each spectral component.
Thus it does not seem to matter (at least for that summation process) what the
absolute length of feed lines or relative sig
