SOLAR CYCLE 24.ORG

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NZ4O SOLAR SPACE & GEOMAGNETIC WEATHER IN GRAPHIC & IMAGE FORMAT
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NOAA/SWPC Solar Cycle 23 & 24 Smoothed Sunspot Number & 2800 MC Solar Flux Progression
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STD Canada Maximum Usable Frequency & F2 Critical Frequency
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NOAA/SWPC Current North And South Polar Aurora Oval Positions
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IPS Australia F2 Layer Critical Frequency 0 Degree and 180 deg Longitude Centered Maps For The World
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The T Index Tracks With The foF2 And SSN And Indicates
Capability Of The F2 Layer Capability To Refract RF Signals

IPS Australia T Index For North America
Rising Positive Numbers Are Good &
Falling Positive & Negative Numbers Are Bad
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NOAA/SWPC 30 Day History Of A & 7 Day History Of K Indices At Boulder, CO, Fredericksburg, VA, College, AK
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N3KL Latest Space Weather Indices & NOAA/SWPC D Region Absorption Map
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NOAA/SWPC Current ACE Solar Wind Data Etc.


Solar X-Rays:

Geo. Field:
Status
Status
From n3kl.org



Stanford University Farside Side Image Of Sun


NASA SOHO MDI Continuum Latest Solar Image & Latest Magnetogram Solar Image
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Coronal Holes Are A Cause Of Many Of Our Geomagnetic Storms
The Holes Are the Irregular Black Patches
NASA SOHO MDI Latest EIT 284 Coronal Hole Region Location & SIDC Belgium Sunspot Region Location & Type
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Good For Spotting Geoeffective CME's
A Source Of Many Of Our Geomagnetic Storms

NASA LASCO C3 IMAGE MOVIE
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Good For Observing X-Ray Radiation A Source Of
Increased D layer Signal Absorption Of MF/HF RF Signals

NOAA GOES XRAY IMAGE
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Via Kyoto University Japan Hourly Equatorial Dst Values

A -20 or better towards a positive number Dst index during the recovery time after a geomagnetic storm,
as related to the Equatorial Ring Current. -21 nt Or More Negative DST Creates Increased D Layer Lower
Latitude Signal Absorption On The MF AM Broadcast Band, 160 and 120 Meters
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NOAA/SWPC >(10+0) Energetic Proton Flux Creates Increased D Layer RF Signal Absorption
On The MF AM Broadcast Band, 160 And 120 Meters
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NOAA/SWPC A1 Or Greater Background X-Ray Flux Creates Increased D Layer RF Signal Absorption
On The MF AM Broadcast Band, 160 And 120 Meters
A0 For Several Days Is Best
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Moscow. Russia Cosmic Ray Detector
160 Meter Ducting Varies With Galactic Cosmic Rays. DXing On 160 Meters Improves
Considerably When GCR's Decrease And Is At Least 10 To 20 Units Below Zero.

Contact Info:
Thomas F. Giella NZ4O
Lakeland, FL, USA

nz4o at arrl dot net


 

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