THOMAS F. GIELLA KN4LF
THE FACE BEHIND THE PROPAGATION FORECASTS

This website is best viewed with IE 6-7 a screen resolution of 1024 x 768 and a broadband connection
Some images may load slowly on a dial up connection

NOAA/SWPC Solar Cycle 23 & 24 Smoothed Sunspot Number & 2800 MC Solar Flux Progression
Click To Enlarge

STD Canada Maximum Usable Frequency & F2 Critical Frequency
Click To Enlarge

NOAA/SWPC Current North And South Polar Aurora Oval Positions
Click To Enlarge

IPS Australia F2 Layer Critical Frequency Maps For Western Hemisphere & North America
Click To Enlarge

IPS Australia F2 Layer Critical Frequency Maps For Europe & the World
Click To Enlarge
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
Click To Enter
NOAA/SWPC 30 Day History Of A & 7 Day History Of K Indices At Boulder, CO, Fredericksburg, VA, College, AK
Click To Enlarge

N3KL Latest Space Weather Indices & NOAA/SWPC D Region Absorption Map
Click To Enlarge


NOAA/SWPC Current ACE Solar Wind Data Etc.

Solar X-Rays: Geo. Field:

From n3kl.org

NASA SOHO MDI Continuum Latest Solar Image & Latest Magnetogram Solar Image
Click To Enlarge

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
Click To Enlarge

Good For Spotting Geoeffective CME's
A Source Of Many Of Our Geomagnetic Storms

NASA LASCO C3 IMAGE MOVIE
Click To Enter

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
Click To Enter


NOAA/SWPC >(10+0) Energetic Proton Flux Creates Increased D Layer RF Signal Absorption
On The MF AM Broadcast Band, 160 And 120 Meters
Click To Enter


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
Click To Enter

Visits Since 04/08/2008