Re: [IRCA] TP for 10 Oct 2011 from Victoria: Yuk!

[Walter Salmaniw <canswl@xxxxxxxxx>]

Who knows, Tim.  Goes to show that we still only know a fraction of what
there is to know about propagation, other than some general rules.  I'm not
sure whether I've noticed local weather having that big of an impact on MW
propagation.  Still, interesting to think about........Walt

On Tue, Oct 11, 2011 at 1:17 AM, Tim Hills <thills@xxxxxxxxxxxxx> wrote:

> Walt,
>
> I've noticed that weather conditions have as much effect as
> solar/geomagnetic for overall reception and it varies with location.
>
> What killed reception this morning, and is still fairly bad, is a cold
> front moving in when the humidity is already low. After the winds die down
> there still seems to be quite a charge in the upper atmosphere, I'm guessing
> stratosphere or maybe the D layer picks up an induced charge. Dunno for
> sure.
>
> The noise level goes way up and more distant signals either aren't
> reflected or are absorbed. Since right now my receiver and antennas are
> going through almost daily changes I checked with my DX-440 and longwire
> just to make sure I hadn't forgotten to solder or fried something.
>
> The noise peak moves down in frequency as it clears. at 20:00 local WWV at
> 5MHz is still noisier than usual but 10MHz is in the clear, better than
> usual and 2.5 is buried in the mud. MW is still trashed and I haven't
> bothered to check LW.
>
> The only place I've noticed this pattern is in eastern SD and south western
> MN. Maybe Rick down in Omaha has noticed the same thing or someone in the
> prairie Provinces. Spring and fall are the most common times for this to
> happen.
>
> By morning at least the X-band should be clear
>
>
> On 10/10/2011 17:25, Walter Salmaniw wrote:
>
>> Right, Tim.  What a difference a day makes, and what NOAA says about
>> propagation is of little value, it seems.  A real crap shoot every
>> morning....going from one of my best mornings on Sunday, to one of the
>> worst
>> on Monday.  Go figure!  ........Walt
>>
>> On Mon, Oct 10, 2011 at 9:51 PM, Tim Hills<thills@xxxxxxxxxxxxx>  wrote:
>>
>>
> ______________________________**_________________
> IRCA mailing list
> IRCA@xxxxxxxxxxxxxxxx
> http://montreal.kotalampi.com/**mailman/listinfo/irca<http://montreal.kotalampi.com/mailman/listinfo/irca>
>
> Opinions expressed in messages on this mailing list are those of the
> original contributors and do not necessarily reflect the opinion of the
> IRCA, its editors, publishing staff, or officers
>
> For more information: http://www.ircaonline.org
>
> To Post a message: irca@xxxxxxxxxxxxxxxx
>
>
_______________________________________________
IRCA mailing list
IRCA@xxxxxxxxxxxxxxxx
http://montreal.kotalampi.com/mailman/listinfo/irca

Opinions expressed in messages on this mailing list are those of the original contributors and do not necessarily reflect the opinion of the IRCA, its editors, publishing staff, or officers

For more information: http://www.ircaonline.org

To Post a message: irca@xxxxxxxxxxxxxxxx