[NZ4O Spaceweather] NZ4O "Daily" Condensed MF Radiowave Propagation Forecast

Wed Jul 4 06:23:43 PDT 2012

The NZ4O "Daily" Condensed MF Radiowave Propagation Forecast has been 
published on Wednesday July 04, 2012 at 1330 UTC and is valid for the next 
24 hours.

"An In Depth Radiowave Propagation Forecast For Amateur Radio Operators As 
Well As LF and MF Frequency Monitoring SWL's"

This daily condensed MF radiowave propagation forecast can also be found at 
http://www.wcflunatall.com/dailycondensedmfprop.htm , 
http://www.facebook.com/pages/SolarCycle24org/139198369462931 and 
http://lists.contesting.com/mailman/listinfo/spaceweather .

The complete MF/HF/6M 7 day period radiowave propagation forecast can be 
found at http://www.solarcycle24.org .

This radiowave propagation forecast is provided free of charge to the radio 
hobby communities but donations are graciously accepted. You can donate by 
going to http://www.paypal.com and click on the "Send Money" tab. My Paypal 
ID/email address is thomasfgiella at tampabay.rr.com .

NOTE. This MF radiowave propagation forecast covers all continents and all 
hemispheres.

GLOBAL MEDIUM FREQUENCY (300-3000 KC) RADIOWAVE PROPAGATION CONDITIONS 
EXPECTED WITH AN EMPHASIS ON THE MF AM BROADCAST BAND AND 160 METERS-

Magnetic Equator-

Low 0-25 degrees

Mid 25-60 degrees

High 60-90 degrees

http://www.wcflunatall.com/geomagneticequator.gif

FORECASTED NORTHERN HEMISPHERE GLOBAL MF CONDITIONS BY LATITUDE-

Low Latitude- Low Normal

Mid Latitude- Normal

High Latitude- Low Normal

FORECASTED SOUTHERN HEMISPHERE GLOBAL MF CONDITIONS BY LATITUDE-

Low Latitude- Low Normal

Mid Latitude- Normal

High Latitude- Low Normal

FORECASTED NORTHERN HEMISPHERE GREAT CIRCLE SHORT PATH-

-East <-> West To 1100 mi/1800 km- Fair To Poor

*North <-> South To 1100 mi/1800 km- Fair To Poor

+South <-> North To 1100 Mi /1800 km- Poor To Fair

FORECASTED SOUTHERN HEMISPHERE GREAT CIRCLE SHORT PATH-

-East <-> West To 1100 mi/1800 km- Fair

+North <-> South To 1100 mi/1800 km- Fair

*South <-> North To 1100 Mi /1800 km- Fair

         Forecasted Great Circle Long/Skewed Path Northern Hemisphere (TA) 
Trans Atlantic, (TI) Trans Indian, (TP) Trans Pacific and cross Equatorial 
propagation conditions in excess of approximately 3200 mi / 5200 km-

High Latitude- Poor

Mid Latitude- Fair

Low Latitude- Poor

Forecasted Great Circle Long/Skewed Path Southern Hemisphere (TA) Trans 
Atlantic, (TI) Trans Indian, (TP) Trans Pacific and cross Equatorial 
propagation conditions in

excess of approximately 3200 mi / 5200 km-

High Latitude- Fair

Mid Latitude- Fair

Low Latitude- Fair

HF Propagation Forecast Scale-
Excellent S9+1 Or Better
Good S7-S9
Fair S4-S6
Poor S1-S3
None S0

FORECASTED GLOBAL LIGHTNING NOISE (QRN)-

Northern hemisphere low latitude regions can expect VERY HIGH thunderstorm 
lightning induced QRN tied to summer season

proximity to the Inter-Tropical Convergence Zone (ITCZ) and tropical warm 
core low pressure systems.

Northern hemisphere mid latitude regions can expect HIGH TO VERY HIGH 
thunderstorm lightning induced QRN tied to summer

season cold/warm/occluded fronts and associated extra-tropical cold core low 
pressure systems, as well as tropical warm core low pressure systems.

Northern hemisphere high latitude regions can expect MODERATE TO HIGH 
thunderstorm lightning induced QRN tied to summer

season cold/warm/occluded fronts and associated extra-tropical cold core low 
pressure systems.

Southern hemisphere low latitude regions can expect HIGH thunderstorm 
lightning induced QRN tied to winter season proximity

to the Inter-Tropical Convergence Zone (ITCZ) as well as cold/warm/occluded 
fronts and associated extra-tropical cold core low

pressure systems.

Southern hemisphere mid latitude regions can expect MODERATE TO HIGH 
thunderstorm lightning induced QRN tied to winter

season cold/warm/occluded fronts and associated extra-tropical cold core low 
pressure systems.

Southern hemisphere high latitude regions can expect LOW TO MODERATE 
thunderstorm lightning induced QRN tied to winter

season cold/warm/occluded fronts and associated extra-tropical cold core low 
pressure systems.

Lightning Induced Noise (QRN) Forecast Scale-

Very High >+1 db Over S9

High- S7-9

Moderate- S4-6

Low- S1-3

None- S0

Note! I use error prone RAW public domain data from the NOAA Space 
Environment Center, as well as other U.S. government organizations, to 
produce my radiowave propagation forecast. This data is gathered and made 
public by the U.S. Government using taxpayer $$$. However the propagation 
forecast that I produce from the RAW public domain data is my personal 
intellectual property. Therefore this propagation forecast contained herein 
is copyrighted © 1988-2012 by Thomas F. Giella, NZ4O. Reproduction of and 
distribution of the propagation forecast herein is allowed without advanced 
permission as long as proper credit is given.

Also space weather forecasting is still an inexact science. The forecasts 
are not official but for hobby related purposes only and are subject to 
human error and acts of God, therefore no guarantee or warranty implied.

73 & GUD DX,
Thomas F. Giella, NZ4O
Lakeland, FL, USA
thomasfgiella at tampabay.rr.com

NZ4O Amateur & SWL Radio Autobiography: http://www.nz4o.com
NZ4O MF/HF/6M (600-6 Meters) Radiowave Propagation Forecast: 
http://www.solarcycle24.org
Harmful Man Induced (Anthropogenic) Climate Change (Global Warming) Refuted: 
http://www.globalwarminglie.org

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