NZ4O Condensed HF Radiowave Propagation Forecast #2012-17

Discussion in 'Amateur Radio News' started by W4HM, Apr 20, 2012.

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  1. W4HM

    W4HM Ham Member QRZ Page

    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/SolarCycle24org/139198369462931

    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.
     
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