Sunspot numbers for September 21-27, 2017 were 22, 22, 12, 22, 36, 40, and 35,
with a mean of 13.6. The 10.7-centimeter flux was 73, 77.5, 81.2, 86.9, 89.9,
90.7, and 91, with a mean of 72.6. Estimated planetary A indices were 7, 5, 5,
6, 5, 4, and 37, with a mean of 21.1. Estimated mid-latitude A indices were 7,
5, 4, 5, 5, 3, and 24, with a mean of 17.1.

Send me your reports or observations.

____________________________________________________________________________


Just Ahead in Radiosport

 *  September 28 -- RSGB 80-Meter Autumn Series (Digital)
 *  September 30 -- Feld Hell Sprint (Digital)
 *  September 30-October 1 -- Russian WW MultiMode Contest (CW, phone,
    digital)
 *  September 30-October 1 -- UK/EI DX Contest, SSB
 *  October 1 -- UBA ON Contest, SSB
 *  October 1-4 -- Classic Exchange, Phone
 *  October 1 -- Peanut Power QRP Sprint (CW, phone)
 *  October 2 -- IQRP Quarterly Marathon (CW, phone, digital)
 *  October 3 -- ARS Spartan Sprint (CW)
 *  October 3 -- German Telegraphy Contest
 *  October 4 -- 432 MHz Fall Sprint (CW, phone, digital)
 *  October 4 -- UKEICC 80-Meter Contest (Phone)
 *  October 5 -- SARL 80-Meter QSO Party (Phone)
 *  October 5 -- NRAU 10-Meter Activity Contest (CW, phone, digital)

See the ARRL Contest Calendar for more information. For in-depth reporting on
Amateur Radio contesting, subscribe to The ARRL Contest Update via your ARRL
member profile e-mail preferences.

____________________________________________________________________________


Upcoming ARRL Section, State, and Division Conventions

 *  September 29-30 -- Wisconsin State Convention, Milwaukee, Wisconsin
 *  September 30 -- North Dakota State Convention, West Fargo, North Dakota
 *  October 6-8 -- Mid-Atlantic States VHF Conference, Bensalem,
    Pennsylvania
 *  October 7 -- South Carolina Section Convention, Rock Hill, South
    Carolina
 *  October 7-8 -- Great Lakes Division Convention, Brooklyn, Michigan
 *  October 13-14 -- Florida State Convention, Melbourne, Florida
 *  October 14 -- Pacific Northwest VHF Society Conference, Moses Lake,
    Washington
 *  October 20-22 -- Pacific Division Convention, San Ramon, California
 *  October 21 -- Wisconsin ARES/RACES Conference, Wisconsin Rapids,
    Wisconsin
 *  October 22 -- Connecticut State Convention, Meriden, Connecticut
 *  October 28 -- Arizona State Convention, Maricopa, Arizona
 *  November 4-5 -- Georgia State Convention, Lawrenceville, Georgia
 *  November 11 -- HamJam Convention, Alpharetta, Georgia
 *  November 18-19 -- Indiana State Convention, Fort Wayne, Indiana

Find conventions and hamfests in your area.

____________________________________________________________________________


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____________________________________________________________________________


The ARRL Letter is published Thursdays, 48 times each year. ARRL members may
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described at http://www.arrl.org/arrlletter/.

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)\/(ark

Always Mount a Scratch Monkey
Do you manage your own servers? If you are not running an IDS/IPS yer doin' it
wrong...
... Yeh...Now the Whole world understands.
---
 * Origin:  (1:3634/12.73)