[Kcdxc] Fw: ARLP056 Propagation de K7VVV

[K0OU]

----- Original Message ----- 
From: K0OU <km0l@tfs.net>
To: KCDXC reflector <kcdxc@mailman.qth.net>
Sent: Tuesday, January 01, 2002 3:39 PM
Subject: Fw: ARLP056 Propagation de K7VVV


> Sent: Tuesday, January 01, 2002 9:26 AM
> Subject: Fw: ARLP056 Propagation de K7VVV
> 
> 
> > 
> > > SB PROP @ ARL $ARLP056
> > > ARLP056 Propagation de K7VVV
> > > 
> > > ZCZC AP56
> > > QST de W1AW  
> > > Propagation Forecast Bulletin 56  ARLP056
> > > From Tad Cook, K7VVV
> > > Seattle, WA  December 31, 2001
> > > To all radio amateurs 
> > > 
> > > SB PROP ARL ARLP056
> > > ARLP056 Propagation de K7VVV
> > > 
> > > Thanks to K9LA for writing last week's bulletin while I was
> > > vacationing in New York City. One of the highlights of my visit was
> > > watching the new star show at the Hayden Planetarium in the Rose
> > > Center for Earth and Space at the American Museum of Natural
> > > History. See http://www.amnh.org/rose/haydenplanetarium.html and
> > > http://www.amnh.org/rose/index.html for more information.
> > > 
> > > This bulletin was prepared Sunday night to update the solar and
> > > geomagnetic data.
> > > 
> > > Average daily solar flux was up nearly 34 points for the December 20
> > > through 26 period, compared to December 13 through 19. Solar flux is
> > > predicted at 250 for December 31 and January 1, 245 for January 2,
> > > and 255 for January 3 and 4.
> > > 
> > > A coronal mass ejection on December 28 was not directly aimed at
> > > earth, but caused a rise in geomagnetic activity on December 30.
> > > Planetary K indices rose as high as 4. The planetary A index is
> > > predicted at 20, 15 and 10 for December 31 and January 1 and 2.
> > > 
> > > WD4NIT asked about the holographic technique used for detecting
> > > sunspots on the sun's far side. You can read a very interesting
> > > explanation of helioseismic holography on NASA's web site at
> > > http://spaceweather.com/glossary/farside.html .
> > > 
> > > We get email occasionally asking for more information on some of the
> > > terms used in this bulletin. This has been covered from time to
> > > time, and you can find a large list of old bulletins on the ARRL web
> > > site at http://www.arrl.org/w1aw/prop/ .
> > > 
> > > A recent explanation was in Propagation Forecast Bulletin ARLP038,
> > > available at that same URL. The propagation chapter in any recent
> > > edition of the ARRL Handbook is also an excellent resource.
> > > 
> > > Sunspot numbers for December 20 through 26 were 171, 215, 234, 220,
> > > 176, 246 and 290 with a mean of 221.7. 10.7 cm flux was 221.1,
> > > 234.3, 242.8, 254.6, 274.5, 258.8 and 267.8, with a mean of 250.6,
> > > and estimated planetary A indices were 5, 11, 8, 7, 19, 8 and 7 with
> > > a mean of 9.3.
> > > NNNN
> > > /EX
> > 
>