"Jeff Liebermann" <jeffl@comix.santa-cruz.ca.us> wrote in message
news:b8ubm29akgcoekit6jeman5165eid6tk74@4ax.com...
> "Dana" <raff242@yahoo.com> hath wroth:
>
> >
> ><Ikkunaprincessa69@gmail.com> wrote in message
> >news:1164302623.871386.259850@j72g2000cwa.googleg roups.com...
> >> This is the exam our teacher gave us today.
> >>
> >> we replace an omnidirectional antenna with Gain=0 dB with a directional
> >> antenna with Gain=10 dB. give 3 reasons why the connection is
> >> disconnected with this replacement.
> >>
> >> can anyone help me plz?
> >> ex my bad english hope u understand the question.
>
> >1) the end user is not in the direction of coverage.
> >2) if the user is in the directional coverage, and close to the source
the
> >increased power may be swamping the RX, causing the connection to drop
>
> Incidentally, the original question came from the Soroush Resaneh
> Institute in Tehran, Iran via mellat.tehran.sinet.ir
> <http://sinet.ir/English/>
>
> Well, now that you've given away 2 out of 3 answers, I can become part
> of the problem instead of the solution. Might as well give up any
> pretense of at being helpful. However, in the future, I suggest you
> avoid answering student homework questions as they are expected to do
> their own research and usually have much better learning resources at
> their skools than are available on the internet.
>
> 3) Increased antenna gain causes distant source of interference to
> now become a problem.

So obvious I overlooked that as an answer. But then my two answers were
obvious as well.
I kind of dissagree with the homework thing, especially if you only give
generic answers like we did, and leave it to the original poster as to find
out why those answers may indeed be the answers they are looking for.

>
>
>
> --
> Jeff Liebermann jeffl@comix.santa-cruz.ca.us
> 150 Felker St #D http://www.LearnByDestroying.com
> Santa Cruz CA 95060 http://802.11junk.com
> Skype: JeffLiebermann AE6KS 831-336-2558