Visual Northern/Southern Lights and VHF Radio Aurora Indicators

Quiet No Geomagnetic Storm
No Aurora
No Radio Aurora
KP-INDEX figure provides a good indicator of viewing the Aurora Borealis or Northern Lights The greater the KP-Index the higher probability of viewing .The Estimated 3-hour Planetary Kp-index data is collected from ground-based magnetometers.
A-INDEX is an indicator of possible enhanced VHF radio signal communication at a range of upto 1000 miles or more. During strong solar activity frequencies from 28 to 433MHZ or higher allowing radio communications to be possible at mid to high latitudes . Last Updated: 12:04:53
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