The NZ4O Condensed HF Radiowave Propagation Forecast #2012-17 has been published at 0000 UTC on Friday April 20, 2012, valid 0000 UTC Saturday April 21, 2012 through 2359 UTC Friday April 27, 2012.

This condensed forecast can also be found on Facebook at http://www.facebook.com/pages/SolarC...39198369462931

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


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- 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

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

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 FAIR TO 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 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 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- Yes, Lyrids peaking on April 20-21, 2012.

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.