[NZ4O Spaceweather] NZ4O Condensed HF/6M Radiowave Propagation Forecast #2012-15

[Thomas F. Giella]

The NZ4O Condensed HF/6M Radiowave Propagation Forecast #2012-15 has been 
published at 0000 UTC on Friday April 06, 2012, valid 0000 UTC Saturday 
April 07, 2012 through 2359 UTC Friday April 13, 2012.

CONDENSED GLOBAL HF PROPAGATION CONDITIONS EXPECTED-
FORECASTED NORTHERN HEMISPHERE GLOBAL HF CONDITIONS-
Low Latitude- Normal
Mid Latitude- Normal
High Latitude- 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- Good
West -> East To 2000 Mi/3200 km- Good
North -> South To 2000 Mi/3200 km- Good
South -> North To 2000 Mi/3200 km- Good

SOUTHERN HEMISPHERE 80, 60, 40, 30 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

NORTHERN HEMISPHERE 20, 17, 15 METERS-
East -> West To 2000 Mi/3200 km- Good
West -> East To 2000 Mi/3200 km- Good
North -> South To 2000 Mi/3200 km- Good
South -> North To 2000 Mi/3200 km- Good

SOUTHERN HEMISPHERE 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


NORTHERN HEMISPHERE 12, 10 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

SOUTHERN HEMISPHERE 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 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 good on 80, 60, 40 and 30 meters, good on 20, 17, 15 
and fair 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 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 50-54 MC (6 meter) 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



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.





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