[Fwd: Re: [Fwd: Question to list]]
Mike DiMuzio (mdimuzio@cisnet.com)
Sat, 22 May 1999 02:45:41 +0000
Phil Rogers wrote:
>
> jstone@dialnet.net wrote:
>
> >It was 189,578 at 3300.9 Hz at 90.6 seconds ... The previous high I had had was
> >1200 or so ... Considering the extreme strength of this one I has to be something
> >like an airplane ... I wonder if the airspace around Aricebo is restricted
> >airspace ... I bet is is ... because sometimes they transmit a huge signal ....
>
> Someone please correct me if I am wrong, but as a radio telescope, Aricebo
> should be passive and transmit no signal at all. It is more akin to a telemetry
> receiver for non-manmade signals rather than a radar which does transmit
> extremely high peak power signals of very limited duty cycle.
>
> Phil Rogers
> progers@mindspring.com
> ********
Actually, Aricebo can transmit radio waves. For SETI purposes, it
only listens, but it is capable of transmitting a signal. It radar imaged
Venus in the 1970's and it also transmitted a signal to a globular cluster
in 1973, I think.
Mike
--
41.087N 80.714W 305 meters
Mike DiMuzio mdimuzio@cisnet.com