[TowerTalk] Weird 40M Band Conditions

Adam Shirley WJ4X wj4x at amsat.org
Mon Sep 3 13:20:42 EDT 2012


CME hit this morning 8am.

There is a solar storm going on right now, so you'll have fun :)

73.

   -Adam
    WJ4X.

On 9/3/2012 12:52 PM, Djordan (personal) wrote:
> Late this morning I called CQ on 40M; had a mobile from Massachusetts come back.  
> 
> On the dipole 60Ft AGL he was in the S5 noise level
> On the NVIS (8, half waves, four fed over four reflectors) he was in the noise S0
> On the 3 element full size yagi ( 48ft boom) he was in the noise S4
> 
> For fun I parallel all three antennas.  With this scenario his signal went up to S7 a and the noise was S5.  He reported that my signal went from S9 to S9+10.  
> 
> Must be a hurricane in the F2 layer this morning.  It seems that this morning the only way to optimize the path was to utilize an antenna system that has multiple major lobe take-off angles... 20/50/90 degrees. fun stuff. 
> 
> I just play with these antennas... Are there any experts or Antenna engineers on the list that can clarify this morning's scenario?
> 
> 73,
> Dave
> Wa3gin
> 
> Sent from my iPad
> 
> Be Prepared Stay Prepared
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