[Lowfer] Something I've never tried before...

Sat, 01 Nov 2003 17:41:27 +0000

Kurt,

Check out Radio Skypipe:

http://www.radiosky.com/skypipeishere.html

This was recommended to me by a professional radio astronomer, K4CSO. 
It's on my list of things to do so I presently have no experience with
the program.

I agree with Dale.  Argo won't work for Jupiter or solar noise
reception.

I was working stations on 222 MHz aurora during the second flare on
Thursday.  When I heard the waves of noise I pointed my antenna toward
the sun.  The uncalibrated S meter measured a fluctuating 20db over S9
noise for a few minuets.  By the time I connected the computer to record
the waves of noise the level had dropped to S9 and was relative steady. 
This was the best radio aurora I have experienced.

Dex 

Dale Parfitt wrote:
> 
> ----- Original Message -----
> From: "KD7JYK" <[email protected]>
> To: <[email protected]>
> Sent: Saturday, November 01, 2003 1:59 AM
> Subject: [Lowfer] Something I've never tried before...
> 
> > Any of you into Radio Astronomy?  I just dug up and got working one of two
> > Jovian Radio Telescopes.  The software NASA provided is crap, so I'd like
> to
> > try it with Argo.  I will try to see what kind of noise I can pick up from
> > this recent flare.
> >
> > What speed would be optimum for this?
> >
> > Kurt
> >
> >Hi Kurt,
> I am not sure what frequwncy your scope  "listens" to. I know one can easily
> hear the rise in background noise say, on 40M when the ionized particles hit
> the earth.
> On 1296 MHz with a 14' dish, I see typically 19dB of sun noise. During an
> active sun, the increase in sun noise (dB) has a 1:1 relationship with the
> reported  10cM solar flux; see:
> http://pages.pathwaynet.com/~fblumn/page1.html
> 
> In fact the solar flux # at the time of measurement MUST be taken into
> account if the reuslts are to be meaningful.
> 
> With the same dish, I can just see moon noise.
> 
> Others who better understand the underpinnings of Argo can comment better on
> what settings would be best. My own first blush thought would be that
> because the noise is incoherent, integration yields no increase in "S/N",
> and therefore Argo might not see anything- and then again, I could be wrong.
> 
> Dale W4OP
> 
> _______________________________________________
> >From the Lowfer mailing list
> Send messages to: [email protected]
> To sub/unsub visit: http://mailman.qth.net/mailman/listinfo/lowfer