[NZ4O Spaceweather] NZ4O Condensed HF/6M (80-6 Meters) Radiowave Propagation Forecast #2012-20

Thu May 10 12:38:35 PDT 2012

For all of my amateur radio and SWL friends around the world:
The NZ4O Condensed HF/6M (80-6 Meters) Radiowave Propagation Forecast 
#2012-20 has been published at 0000 UTC on Friday May 11, 2012, valid 0000 
UTC Saturday May 12, 2012 through 2359 UTC Friday May 18, 2012.

This condensed forecast is now updated "daily" on Facebook at 
http://www.facebook.com/pages/SolarCycle24org/139198369462931 and
http://lists.contesting.com/mailman/listinfo/spaceweather .

The complete MF/HF/6M forecast can be found at http://www.solarcycle24.org 
and http://www.wcflunatall.com/propagation.htm .

Note! This forecast is based upon quiet solar, space and geomagnetic weather 
conditions. Geomagnetic storming Kp-5> and energetic proton storms >10 MeV 
(10+0) can at times render the forecast temporarily inaccurate.

FORECASTED GLOBAL HF CONDITIONS BY BAND-

BAND                         DAY-NIGHT

80, 60, 40, 30 Meters: Poor-Fair

20, 17 Meters: Fair-Fair

15 Meters: Fair-Poor

12, 10 Meters: Poor-Poor

FORECASTED NORTHERN HEMISPHERE GLOBAL HF CONDITIONS-

Low Latitude- Low Normal

Mid Latitude- Low Normal

High Latitude- Low Normal

FORECASTED SOUTHERN HEMISPHERE GLOBAL HF CONDITIONS-

Low Latitude- Normal

Mid Latitude- Normal

High Latitude- Normal

NORTHERN HEMISPHERE 80, 60, 40, 30 METERS-

East -> West To 2000 Mi/3200 km- Fair

West -> East To 2000 Mi/3200 km- Fair

North -> South To 2000 Mi/3200 km- Fair

South -> North To 2000 Mi/3200 km- Fair

NORTHERN HEMISPHERE 20, 17, 15 METERS-

East -> West To 2000 Mi/3200 km- Fair

West -> East To 2000 Mi/3200 km- Fair

North -> South To 2000 Mi/3200 km- Fair

South -> North To 2000 Mi/3200 km- Fair

NORTHERN HEMISPHERE 12, 10 METERS-

East -> West To 2000 Mi/3200 km- Poor

West -> East To 2000 Mi/3200 km- Poor

North -> South To 2000 Mi/3200 km- Poor

South -> North To 2000 Mi/3200 km- Poor

SOUTHERN HEMISPHERE 80, 60, 40, 30 METERS-

East -> West To 2000 Mi/3200 km- Fair To Good

West -> East To 2000 Mi/3200 km- Fair To Good

South -> North To 2000 Mi/3200 km- Fair To Good

North -> South To 2000 Mi/3200 km- Fair To Good

SOUTHERN HEMISPHERE 20, 17, 15 METERS-

East -> West To 2000 Mi/3200 km- Fair To Good

West -> East To 2000 Mi/3200 km- Fair To Good

South -> North To 2000 Mi/3200 km- Fair To Good

North -> South To 2000 Mi/3200 km- Fair To Good

SOUTHERN HEMISPHERE 12, 10 METERS-

East -> West To 2000 Mi/3200 km- Poor To Fair

West -> East To 2000 Mi/3200 km- Poor To Fair

South -> North To 2000 Mi/3200 km- Poor To Fair

North -> South To 2000 Mi/3200 km- Poor To Fair

HF Propagation Forecast Scale-

Excellent S9+1 Or Better

Good S7-S9

Fair S4-S6

Poor S1-S3

None S0

>From the Northern Hemisphere-

 (TA) Trans Atlantic, (TI) Trans Indian, (TP) Trans Pacific and cross 
Equatorial HF propagation conditions greater than

2000 mi/3200 km will be FAIR on 80, 60, 40 and 30 meters, FAIR on 20, 17, 15 
and POOR on 12 and 10 meters.

>From the Southern Hemisphere-

(TA) Trans Atlantic, (TI) Trans Indian, (TP) Trans Pacific and cross 
Equatorial HF propagation conditions greater than

2000 mi/3200 km will be FAIR TO GOOD on 80, 60, 40 and 30 meters, FAIR TO 
GOOD on 20, 17, 15 and POOR TO FAIR on 12 and 10 meters.

HF Propagation Forecast Scale-

Excellent S9+1 Or Better

Good S7-S9

Fair S4-S6

Poor S1-S3

None S0

GLOBAL 50-54 MC (6 Meters) PROPAGATION MODES EXPECTED FORECAST-

F2- None

Sporadic E (Es)- Yes

Aurora E High Latitude- Yes

Aurora E Mid Latitude- No

Troposphere Ducting- Yes

Trans Equatorial (TE) F2/F3- Yes

Meteor Scatter- No, excluding random meteors, lightning bolt plasma 
channels, space junk and alien spacecraft

Meter Band Equivalents

Ham           SWL

160              90

80                75

60                60

40                49, 41

30                31, 25

20                22, 19

17                16, 15

15                 13

12, 10          11

Standard Disclaimer-

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 propagation forecasts. 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 MF/HF/6M (600-6 Meters) Radiowave Propagation Forecast: 
http://www.solarcycle24.org
NZ4O Solar Space Weather & Geomagnetic Data Archive: 
http://www.wcflunatall.com/nz4o1.htm
NZ4O Solar Space Weather & Geomagnetic Data Dashboard: 
http://www.wcflunatall.com/nz4o2.htm
NZ4O Solar Cycle 24 Forecast Discussion & Archive: 
http://www.wcflunatall.com/nz4o4.htm
NZ4O 160 Meter (MF) Radio Propagation Theory Notes: 
http://www.wcflunatall.com/nz4o5.htm
NZ4O Solar Space Weather & Geomagnetic Raw Forecast Data Links: 
http://www.wcflunatall.com/nz4o6.htm

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