A G1 (Minor) geomagnetic storm watch has been issued for 12 January (UTC day) due to a recurrent, negative polarity, coronal hole high speed stream. Whenever we have high speed solar wind stream features that have been observed consistently for several rotations, it is more likely that isolated minor geomagnetic activity will occur. The image is a composite of several different wavelengths from NASA’s Solar Dynamics Observatory. The outline indicates the coronal hole we are tracking.
“HF Loop Antennas” is the topic of the just-released episode of the “ARRL The Doctor is In” podcast. Listen…and learn! Sponsored by DX Engineering, “ARRL The Doctor is In” is an informative discussion of all things technical. Listen... Read more
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