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HF Propagation Conditions

Discussion in 'General Technical Questions and Answers' started by K5ATG, Jun 15, 2018.

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  1. K5ATG

    K5ATG Ham Member QRZ Page

    Could someone please point me in the general direction for an explanation of the data on this:
    I can understand the HF Conditions being Poor, Fair or Good. My biggest stumbling block on this is for 6 meter and 4 meter where it says 50 MHz ES and 70 MHz ES. What does the ES mean?
    Thank you
  2. W4IOA

    W4IOA Ham Member QRZ Page

    E skip
  3. W4PG

    W4PG Super Moderator Volunteer Moderator Platinum Subscriber QRZ Page

  4. KP4SX

    KP4SX XML Subscriber QRZ Page

    Its called "Sporadic" for a reason! The propagation path can be very pinpoint and last only for minutes or for days. In recent days on 6m I've seen it skipping from me to Belgium with maybe a few northern French thrown in and nothing else. Another day it was all Austria with an occasional German. Then all Portugal with maybe a Spaniard. You get the idea.
    It makes operating interesting! I think that particular report is simply indicating the potential for E-skip to occur. Kind of like "20 percent chance of widely scattered showers" in weather parlance.
    NH7RO and KC8VWM like this.
  5. G0JUR

    G0JUR Ham Member QRZ Page

    I thought that particular report indicates actual e's propogation
    for the 20% chance of showers it shows high MUF as the report.
    Could be wrong IDK
  6. VK3YE

    VK3YE Ham Member QRZ Page

    THIS is sporadic E!

  7. WB2WIK

    WB2WIK Premium Subscriber QRZ Page

    Sometimes to catch the DX you need to put out a few CQs.

    It's like catching fish. Use two lines and the fish can still ignore you.:p
    NH7RO likes this.

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