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

Thomas F. Giella thomasfgiella at tampabay.rr.com
Fri May 11 07:08:35 PDT 2012


The NZ4O Daily Condensed HF/6M Radiowave Propagation Forecast has been 
published on Friday May 11, 2012 and is valid for the next 24 hours.



NOTE!!! There will be no daily propagation update on Saturday-Sunday May 
12-13, 2012. It will return on Monday May 14, 2012.



FORECASTED GLOBAL HF CONDITIONS BY BAND-

BAND                         DAY-NIGHT

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

20, 17 Meters: Fair To Good-Fair

15 Meters: Fair-Poor

12, 10 Meters: Fair-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- Low Normal

Mid Latitude- Low Normal

High Latitude- Low 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



NORTHERN 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

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

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



NORTHERN HEMISPHERE 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



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 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.



>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



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