At and near solar cycle minimum, coronal holes migrate toward the Sun's equator leading to wide variability in the solar wind that is directed at Earth. Whenwd73383
I am writing to tell you about a possible problem with the real-time clock that has been reported to me by three customers. This concerns the RTC72421Awd73383
Space Weather Prediction Center issued the following forecast today (1 August):"G1 (Minor) geomagnetic activity is likely on 02 and 03 August due to CH HSSwd73383
The SAM was designed by Dirk Langenbach and Karsten Hansky. There are over 200 SAMS in Europe. A website dedicated to SAM magnetograms from around the world has been setup at http://www.sam-magnetometer.net/. A related website is: http://www.sam-europe.de/.
The primary application of the SAM is in the sensing and study of geomagnetism, but it is possible to use the SAM in other applications requiring magnetic sensing. The correspondences between geomagnetic storms, solar events and solar wind, aurora and radio propagation anomalies are well-known.
The SAM will be a useful instrument to amateur radio astronomers, radio amateurs, aurora photographers and experimenters. The SAM is available in kit form, is affordable and easy to use. The kit includes all hardware and application software.
Our goal is to build a worldwide, semi-professional geomagnetometer network based on the Simple Aurora Monitor. We would like to install a SAM on every continent including Antarctica. Internet access is required at the SAM location to join the worldwide network.
We encourage SAM users to contact us and to put your magnetograms at http://www.sam-magnetometer.net/.
This group is conducted in English and parallels the group http://de.groups.yahoo.com/group/Magmeter/, which primarily is conducted in German.
- Earth Sciences
- Jul 29, 2009
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