Re: [Discuss-gnuradio] RX and TX stuff

[Patrik Tast]

FYI,

There is a great lowcost antenna design software called EZNEC 
http://www.eznec.com/

Good luck (oh, we do not need to be lucky since we know...)
Patrik


----- Original Message ----- 
From: "sumitstop" <address@hidden>
To: <address@hidden>
Sent: Monday, September 12, 2011 15:16
Subject: Re: [Discuss-gnuradio] RX and TX stuff


> Hey Patrik, will using directional antenna solve my problem.
> Patrik Tast-2 wrote:
> > Hi All,I've been following closely the OFDM- and related TX/RX issues.If
> > you TX sumthing, build/buy an (directive) antenna for your target
> > frequency and point it at the RX usrp.I suggest a Yagi, helix or a
> > parabola for TX:ing, cost ~$10 at your frequency. Apply to RX the
> > same.Using a whip is trouble if you do not know....An antenna sure can be
> > *omni* to detect the signal, to demodulate it perfectly is another
> > thing.Example: TX is a RHCP (right hand circular polarized) signal.RX it
> > with a VP (vertical polarized) antenna, it wont demodulate properly.A 
> > user
> > receiving 137 MHz RHCP satellite data posted *his ultimate antenna*
> > imagehttp://www.poes-weather.com/~patrik/tmp/RHCP-137.jpgIt aint that
> > complicated, trial and error does it.Regards,Patrik
> > _______________________________________________Discuss-gnuradio mailing
> > address@hidden://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>
> -----
> Sumit Kr.
> Research Assistant
> Communication Research center
> IIIT Hyderabad
> India
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