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Monthly Newsletter
MAARS Monthly Meeting
October 8th 7:30 PM
Manhattan Church of Christ
2510 Dickens Ave.
The
President’s
Corner
Brian Carter KC0DWX
I’d like to start off by thanking all those who helped out at the
Yellow Brick Road Bicycle Ride this past weekend. The event seemed to go well and we had very few bikes that needed to be carried in.
The organizers were pleased and I heard several positive comments from riders for our support.
Our October meeting will start with the usual dinner at Sirloin
Stockade in Manhattan around
5:30 PM. Please mention you are with the radio group and if you get there first we usually try to sit in the
South East area where several tables can be pulled together.
The regular part of the meeting will be at the Manhattan Church of
Christ at 2510 Dickens Ave. in
Manhattan. Our guest speaker this month will be Paul Verhage who has offered to come talk about his near-space balloon launches as well as astronomy. Paul(KD4STH) has been a member of MAARS in the past and is currently in the
Lawrence area and using amateur radio for tracking balloons that reach altitudes and speeds that are quite impresive.
There are a couple of other things that should be on the meeting agenda. First off member ship dues are due by the end of
October. Which brings us to officers for the coming year. We usually suggest a nominating committee or person to make suggestions for the coming years officers. In order to run or be eligible for office and to vote in an election you must be a paid member by the end of
October.
Last I think it would be a good idea to make plans for a MAARS
Christmas party if we plan to have one. I believe last year we used the basement at the church and we have had the party hosted by a couple of members at their own houses. I think it goes without saying that the Stueves have given MAARS many memorable
Christmas parties past.
I hope the group can make some plans for a fun 2010
October 2010
Christmas season.
Last I must apologize to all that the Carter family will not be at the
October meeting. We have made plans for our 6th anniversary. I know that I, and I believe Sylvia as well, really hate missing the meeting and certainly Paul’s presentation. With that Scott AC0CY will be trying to keep you all in line(HI HI).
I will look forward to seeing you all in November and hope you all enjoy the meeting as well as dinner this month.
73s
Brian
KC0DWX
THE TREASURER’S REPORT
August 1st 2010 to September 1st 2010
Submitted by: Christine Chainey KCØYJN, Treasurer As of August 1, 2010
Cash on Hand . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . $110.00 Checking account . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . $ 32.67 Savings account . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .$1,087.02 TOTAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . .$1,229.69 Expenditures:
AT&T . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . $35.66 As of September 1, 2010
Cash on Hand . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . $110.00 Checking account . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . $ 84.03 Savings account. . . . . . . . . . . . . . . . . . . . . . . . .. . . . . .$1,000.00 TOTAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .$1,194.03 This Months Events
October
8 . . . . .MAARS Dinner
Sirloin Stockade 5:30 PM
8 . . . . .MAARS Meeting 7:30
PM
20 . . . .XYL’s Kites 6:00 PM
Weekly Nets
MAARS 147.2550PL 88.5
Club net
Tuesdays
9:00 PM CST
Youth net
Thursdays
8:00 PM CST
October 2010
2
Date
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.
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 with a simple dipole running as low as 5 Watts!
A- and 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 fade-out.
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 K-index from the Alaskian station where this index is known as the College Kindex. Other stations reporting Kindices include Planetary and Boulder. In contrast, the A-indices are usually reported for the
27 Day Solar
Predictions
Flux A Index Kp
10.7 cm
Index
Oct 06
75
7
3
Oct 07
75
5
2
Oct 08
78
5
2
Oct 09
78
5
2
Oct 10
80
5
2
Oct 11
80
7
2
Oct 12
79
7
3
Oct 13
80
7
3
Oct 14
80
7
3
Oct 15
80
5
2
Oct 16
80
5
2
Oct 17
82
5
2
Oct 18
82
5
2
Oct 19
83
5
2
Oct 20
83
5
2
Oct 21
83
8
3
Oct 22
82
8
3
Oct 23
82
5
2
Oct 24
82
5
2
Oct 25
82
5
2
Oct 26
82
5
2
Oct 27
82
5
2
Oct 28
80
5
2
Oct 29
78
5
2
Oct 30
76
5
2
Oct 31
75
5
2
Nov 01
75
5
2
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.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 with a simple dipole running as low as 5 Watts!