[600MRG] Running ground wave test right now on 74.3213...

[Edward R Cole]

Bob,

I don't need to be an engineer to note the ground conductivity shift 
on my antennas when ground freezes.  I have two taps on my base coil 
for each frequency: summer/winter.  It takes about two turns less 
inductance in winter.

In Anchorage 550, 650, 700, 750 KHz.  Local station is 920.  There 
are some up higher at 1020, 1080, 1110, and 1140.  That is all I 
could find with my BC deaf KX3 on the 80m invert-V.  KX3 tuner 
rejects BC band to improve 160m reception.  new firmware to come out 
that improves MW reception.

I don't regularly listen to AM.  FM is well populated up here.  As a 
boy living in MI I used to listen late at night to Chicago, New 
Orleans and Denver on an old tube-type radio. Those were generally 
winter nights!

73, Ed

At 08:59 AM 1/7/2014, you wrote:
>Ed;
>If you were a broadcast engineer you would likely know that cold 
>weather [frozen ground and cold air] helps tremendously both 
>groundwave and skywave propagation. This cold weather down here is 
>great for all bands in the low HF and all MF and LF freqs.  Sends 
>ground conductivity soaring in some areas and raises it somewhat in 
>others.  That's really why I am trying groundwave propagation today 
>and maybe tomorrow.  I think you will find propagation better than 
>normal on the MF 600 meter band-give it a shot!
>Of course, on AM BC the lower the freq the better the 
>coverage.  Longer waves really go long distances groundwave-lower the better!
>I would bet most of the AM stations in Alaska are on the low end or 
>if talking wavelength-the top end of the band for "free" coverage at 
>a given power.  What are the freqs of some of the AM's up your 
>way?  Must be allot of room for stations up there? Are there any 
>stations above say 1300 kHz?   Bob
>
> > Date: Tue, 7 Jan 2014 08:41:12 -0900
> > To: 600MRG at w7ekb.com
> > From: kl7uw at acsalaska.net
> > Subject: Re: [600MRG] Running ground wave test right now on 74.3213...
> >
> > Ah well you can blame your good wx on Alaska. Current temp is 32F
> > and has been for almost a week. Apparently warm air coming up from
> > Hawaii has caused a low pressure cell to shove the normal polar
> > vortex low down into the US...or so the article I read on-line
> > purports. Our wx are supposed to clear and temps drop in temp in
> > about five days...about the same time the "polar vortex" is supposed
> > to move back up to the North Pole.
> >
> > In the mean time wonder what this abnormal wx system is doing to 600m
> > prop down there?
> >
> > 73, Ed - KL7UW
> > "land of the arctic pineapple"
> >
> > At 08:23 AM 1/7/2014, Andy - KU4XR wrote:
> > >Good day All: If the internet holds up, I'll have the grabber
> > >running thru the day..
> > >
> > >http://lwca.org/grabbers/ku4xr/
> > >
> > >Coldest overnight temps here in the foothills of the Smokies in over
> > >20 years..
> > >Current temp now is +8 F with -6 F windchill, only expecting 
> about +17 F today
> > >NOT... TN. WX. for sure....
> > >
> > >Andy - KU4XR
> > >
> > >--------------------------------------------
> > >On Tue, 1/7/14, Bob Raide <rjraide at hotmail.com> wrote:
> > >
> > > 45 minute late start as took longer
> > > to finish job than thought. However, on at 1645 and
> > > appears the ice got shock off the antenna and loading is
> > > close to normal. Still blowing here over 40 MPH
> > > gusts but nothing like yesterday's 70 mph.
> > > Anyone that can send a capture or just report of a signal
> > > would be appreciated. With such cold weather across
> > > the nation am hoping for some good groundwave propagation on
> > > 73 band-Bob
> > >
> > >
> > >
> > >_______________________________________________
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> > >600MRG at w7ekb.com
> > >http://w7ekb.com/mailman/listinfo/600mrg_w7ekb.com
> >
> > 73, Ed - KL7UW
> > http://www.kl7uw.com
> > "Kits made by KL7UW"
> > Dubus Mag business:
> > dubususa at gmail.com
> >
> >
> > _______________________________________________
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73, Ed - KL7UW
http://www.kl7uw.com
     "Kits made by KL7UW"
Dubus Mag business:
     dubususa at gmail.com