[NZ4O Spaceweather] NZ4O "Daily" Condensed HF/6M Radiowave Propagation Forecast

Sun May 20 06:11:24 PDT 2012

The NZ4O "Daily" Condensed HF/6M Radiowave Propagation Forecast has been 
published on Saturday May 20, 2012 at 1300 UTC and is valid for the next 24 
hours.
This daily condensed HF/6M radiowave propagation forecast can also be found 
at http://www.solarcycle24.org and 
http://www.facebook.com/pages/SolarCycle24org/139198369462931 .

FORECASTED NORTHERN HEMISPHERE GLOBAL HF CONDITIONS BY BAND-

BAND:                         DAY -> NIGHT

80, 60, 40, 30 Meters: Poor -> Fair To Good

20, 17, 15 Meters: Good -> Fair

12, 10 Meters: Fair To Good -> Poor

FORECASTED NORTHERN HEMISPHERE GLOBAL HF CONDITIONS BY LATITUDE-

Low Latitude- Low Normal

Mid Latitude- Normal

High Latitude- Low Normal

NORTHERN HEMISPHERE SHORT PATH 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 SHORT PATH 20, 17, 15 METERS-

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

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

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

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

NORTHERN HEMISPHERE SHORT PATH 12, 10 METERS-

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

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

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

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

FROM THE  NORTHERN HEMISPHERE LONG PATH-

 (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 TO GOOD on 
20, 17, 15 and POOR TO FAIR on 12 and 10 meters.

FORECASTED SOUTHERN HEMISPHERE GLOBAL HF CONDITIONS BY BAND-

BAND:                         DAY -> NIGHT

80, 60, 40, 30 Meters: Poor -> Fair To Good

20, 17, 15 Meters: Good -> Fair

12, 10 Meters: Fair To Good -> Poor

FORECASTED SOUTHERN HEMISPHERE GLOBAL HF CONDITIONS BY LATITUDE-

Low Latitude- Low Normal

Mid Latitude- Normal

High Latitude- Low Normal

SOUTHERN HEMISPHERE SHORT PATH 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 SHORT PATH 20, 17, 15 METERS-

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

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

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

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

SOUTHERN HEMISPHERE SHORT PATH 12, 10 METERS-

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

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

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

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

HF Propagation Forecast Scale-

Excellent S9+1 Or Better

Good S7-S9

Fair S4-S6

Poor S1-S3

None S0

FROM THE SOUTHERN HEMISPHERE LONG PATH-

(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, GOOD on 
20, 17, 15 and 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 50000-54000 KC (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 Amateur & SWL Radio Autobiography: http://www.nz4o.com
NZ4O MF/HF/6M Radiowave Propagation Forecast: http://www.solarcycle24.org

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