[SFDXA] ARLP032 Propagation de K7RA

[Bill Marx]

> 

> SB PROP @ ARL $ARLP032
> ARLP032 Propagation de K7RA
> 
> ZCZC AP33
> QST de W1AW  
> Propagation Forecast Bulletin 32  ARLP032
> From Tad Cook, K7RA
> Seattle, WA  August 10, 2012
> To all radio amateurs 
> 
> SB PROP ARL ARLP032
> ARLP032 Propagation de K7RA
> 
> The bulletin today is coming from Eugene, Oregon.
> 
> Average daily sunspot numbers rose over 20 points this week, or
> about twenty-percent, to 119.4.  The average daily solar flux was up
> 3 points to 134.7.
> 
> Geomagnetic activity was quiet, with unsettled conditions around
> August 2.
> 
> The NOAA/USAF prediction has solar flux at 135 on August 10, 130 on
> August 11-12, then 125, 120, and 115 on August 13-15, then 110 on
> August 16-17, then 95 on August 18, 100 on August 19-20, then 110,
> 115, 120, 125, 130, 135, 140 and 145 on August 21-28, then 140 on
> August 29-31.
> 
> Predicted planetary A index is 5, 8 and 10 on August 10-12, then 5
> on August 13-15, then 10, 8, 5, 8 and 8 on August 16-20, then 5 on
> August 21-23, and 8 on August 24-25, then 12 on August 26, then 5 on
> August 27 through September 14.
> 
> F.K. Janda, OK1HH sees quiet geomagnetic conditions on August 10,
> mostly quiet August 11, active to disturbed August 12, quiet to
> active August 13, mostly quiet on August 14, quiet August 15-16,
> quiet to unsettled August 17-20, mostly quiet August 21, quiet
> August 22-24, quiet to active August 25-26, mostly quiet August
> 27-28, active to disturbed again August 29-30, and a return to quiet
> on August 31 through September 1.
> 
> Check out some nice solar images at
> http://blogs.discovermagazine.com/badastronomy/2012/08/09/the-sun-is-shagadelic-baby/
> and
> http://www.space.com/17003-sun-eruption-solar-filament-video.html.
> 
> O.J. Lougheed, AD7DR of Lopez Island, Washington wrote:  "I've been
> interested in transpolar propagation since I lived in Irkutsk,
> Siberia from 1997-2004.  I'm thinking of putting together a ham club
> at the school on Lopez Island and your name popped up with an
> internet search.  There is so little on the web.  With sunspots
> picking up, things (I would assume) will get exciting.  Do you know
> of any EU or Russian/Ukrainian folks interested in such
> propagation?"
> 
> I don't know, but if any readers across the poles or anywhere want
> to contact AD7DR, look him up in QRZ.com, where you will find his
> email address.  You will have to login, but getting an account is
> free.
> 
> Larry Godek, W0OGH of Gilbert, Arizona wrote on Thursday, August 9,
> "Spratly Island, 9M4SLL has been worked on both 20 meter SSB and CW,
> along with CW on 15, with great signals.
> 
> Comoros Islands, D64K was worked on 15 yesterday at 2155Z.  Had good
> signals into this area all the time he was on the air.  Typically
> shortly after I get to work them, the band goes out.  Happens a lot
> to me on 20 as well.  Just like Arizona is the last place to make a
> QSO even though I hear the DX for long periods of time.
> 
> ZS2I was worked this morning at 1353Z on 20 CW long path.  He
> couldn't hear me on the regular path so turned the antenna around to
> 270 degrees and he came up to over S9.
> 
> Talk about short hop, J68HZ was worked yesterday at 2224Z on 28.375.
> He was working mainly 4-land and the east coast.  Surprised he came
> back to me.
> 
> Same thing with HT9H on 18.073 MHz at 2215Z.  But then we had a large
> storm front within 100 miles from the north around thru the east to
> the SE.  Then 20 this morning has been excellent to the Pacific.
> 
> Yesterday in the morning we had a 6 meter opening, double hop into
> Florida, Tennessee, South Carolina and Texas.  Nothing unusual about
> the Texas stations as the area from EM00 though EM03 and EM10 thru
> EM13 are the first hop for us.  They usually have loud signals and
> are typically the first stations from the E we hear.
> 
> There would be an idea.  If it were possible, have any DX station,
> maybe some of the rarer types, run a WSPR beacon.  If they can
> capture your signal at 2W, then you've got a path.  But then there
> is a lot of one way propagation that goes on isn't there?
> 
> Really been a pretty fair year so far for DX.  30 meters has been a
> disappointment as has 10.  If it wasn't for 15 and 20 there would be
> very little DX.
> 
> We print all the ARRL bulletins on a Model 28 TTY machine here.
> Everything that is 45 Baud 60WPM anyway.  Really nice that ARRL
> continues that mode.  Lots of hams around the country have real
> mechanical TTY machines and look forward to running them several
> times a week.  Keeps the oil and grease from getting old, kinda like
> the body!"
> 
> Burton Boyd, W7IIT of Bremerton, Washington says his hearing isn't
> as sharp as it used to be, and he can't always hear the WWV
> broadcasts of geophysical data at 18 minutes after each hour.  I
> advised Burt to get the info off the internet at
> http://www.swpc.noaa.gov/ftpdir/latest/wwv.txt.
> 
> If you would like to make a comment or have a tip for our readers,
> email the author at, k7ra at arrl.net.
> 
> For more information concerning radio propagation, see the ARRL
> Technical Information Service at
> http://arrl.org/propagation-of-rf-signals.  For an explanation of the
> numbers used in this bulletin, see
> http://arrl.org/the-sun-the-earth-the-ionosphere.  An archive of past
> propagation bulletins is at
> http://arrl.org/w1aw-bulletins-archive-propagation.  Find more good
> information and tutorials on propagation at
> http://myplace.frontier.com/~k9la/.
> 
> Monthly propagation charts between four USA regions and twelve
> overseas locations are at http://arrl.org/propagation.
> 
> Instructions for starting or ending email distribution of ARRL
> bulletins are at http://arrl.org/bulletins.
> 
> Sunspot numbers for August 2 through 8 were 126, 160, 140, 107, 108,
> 96, and 99, with a mean of 119.4. 10.7 cm flux was 134.6, 139.7,
> 138.7, 134, 134.1, 128.5, and 133.3, with a mean of 134.7.  Estimated
> planetary A indices were 16, 7, 7, 6, 11, 7, and 10, with a mean of
> 9.1.  Estimated mid-latitude A indices were 16, 8, 6, 6, 10, 8, and
> 12 with a mean of 9.4.
> NNNN
> /EX