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Monthly Newsletter
MAARS Monthly Meeting
July 9 th 7:30 PM
Manhattan Church of Christ
2510 Dickens Ave.
July 2010
Manhattan Church of Christ,
2510 Dickens Ave. We also hope you will join us for dinner at the Sirloin Stockade at 5:30 in
Manhattan.
The
President’s
Corner
Brian Carter KC0DWX
The
Manhattan
Area
Amateur Radio Society set up for the ARRL field day on June
26th and 27th and the
Northview Community Park in
Manhattan. I’d like to thank all members who participated in the event and especially those folks who spent the night as well as being at pretty much the entire event.
Dave
Mills(KD0AZG) made the shelter arrangements with the Manhattan Parks Dept. as well as provided equipment. Danield
Soldan and Mark Benfer provided equipment as well and were involved in making contacts at the event. Gordon(KB0YYO) stayed through-out the entire event and certainly gets the award for staying with it and keeping and eye on things.
The heat made for a pretty warm event however there was enough of a breeze to make it almost bearable and it wouldn’t be field day if it didn’t rain so of course it did early Sunday morning.
Thanks again to all who helped support the event and we look forward to next year.
Our next MAARS meeting is
Friday July 9th at 7:30 PM at the
This Months Events
July
Weekly Nets
9 . . . . .MAARS Dinner
Sirloin Stockade 5:30 PM
9 . . . . .MAARS Meeting 7:30
PM
21 . . . .Buffalo Wild Wings
6:00 PM
MAARS 147.2550
Club net
Tuesdays
9:00 PM CST
Youth net
Thursdays
8:00 PM CST
May 2010
27 Day Solar
Predictions
Date
Flux A Index Kp
10.7 cm
Index
Jul 07
74
5
2
Jul 08
74
5
2
Jul 09
74
6
2
Jul 10
74
8
3
Jul 11
76
8
3
Jul 12
78
5
2
Jul 13
80
5
2
Jul 14
78
8
3
Jul 15
80
15
3
Jul 16
70
8
3
Jul 17
70
5
2
Jul 18
72
5
2
Jul 19
74
5
2
Jul 20
74
5
2
Jul 21
74
5
2
Jul 22
75
5
2
Jul 23
75
18
4
Jul 24
73
12
3
Jul 25
73
10
3
Jul 26
73
8
3
Jul 27
73
15
3
Jul 28
73
10
3
Jul 29
72
8
3
Jul 30
72
5
2
Jul 31
72
5
2
Aug 01
72
5
2
Aug 02
72
5
2
Solar Flux: This flux number is measured from the amount of radiation on the 10.7cm band
(2800MHz). It is closely related to the amount of ultraviolet radiation, which is needed to create an ionosphere. The lowest possible number for this solar flux is 63.75. Single hop propagation already starts at 70 in lower latitude areas. Worldwide long distance propagation (DX) may turn up already with a solar flux at 120. From experience, an average solar flux of 170 seems to be ideal for 10m-20m bands
QRP DX with good possibilities during these conditions to reach every possible part of the globe
2
Your membership in MAARS is important to help keep the club alive and maintain equipment. If you haven’t already done so please consider joining MAARS at a prorated fee. We also have a student rate available. Dues should be mailed to MAARS, P.O. Box 613, Manhattan, KS 66505.
THE TREASURER’S REPORT
June 1st 2010 to July 1st 2010
Submitted by: Christine Chainey KCØYJN, Treasurer As of June 1, 2010
Cash on Hand . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . $110.00 Checking account . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $148.76 Savings account . . . . . . . . . . . . . . . . . . . . . . . .. . . . . .$1,086.89 TOTAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . .$1,345.65 Income:
Membership Dues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $40.00 Interest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $ 0.13 Expenditures:
AT&T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . $35.41 As of July 1, 2010
Cash on Hand . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . $110.00 Checking account . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $153.35 Savings account. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .$1,087.02 TOTAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . .$1,350.37 with a simple dipole running as low as 5 Watts!
Aand
K-index:
Geomagnetic activity indices, high indices (K:>5 or A:>20) means stormy conditions with an active geomagnetic field. The more active, the more unstable propagation with possible periods of total propagation fadeout. Especially around the higher latitudes and especially at the polar regions, where the geomagnetic field is weak, propagation may disappear completely. Extreme high indices may result in aurora propagation, with strongly degraded long distance propagation at all latitudes.
Sporadic-E is strongest during low indices. Low indices result in relative good propagation, especially noticeable around the higher latitudes, when transpolar paths may open up. Maximum K-index is 9, and the
A-index can exceed well over
100 during very severe storm conditions, with no maximum.
The ARRL often reports the Kindex from the Alaskian station where this index is known as the
College K-index. Other stations reporting K-indices include
Planetary and Boulder. In contrast, the A-indices are usually reported for the Planetary station only. The higher the K-index, the more unstable propagation becomes, the effect is stronger at high latitudes, but weaker near low latitudes.
When storm level is reached, propagation strongly degrades, possibly fade out at high latitudes.