When did hams start paying attention to gray-line propagation effects?

Discussion in 'Ham Radio Discussions' started by W7UUU, Apr 16, 2018.

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  1. VK2WP

    VK2WP XML Subscriber QRZ Page

    That is very nice and the dial o map is similar to the Grundig one I have although it is a lot larger, not attached to the radio. Looks to be in excellent condition and a interesting collectable.
  2. WD4IGX

    WD4IGX Premium Subscriber QRZ Page

    I was aware of this phenomenon but hadn't really tried to exploit it. I work nights so I'm almost always awake at both sunrise and sunset and, depending on time of year and work load, can often make it to the shack IF I feel up to bothering.

    This morning I decided to give it a try and wandered down to the shack around sunrise. 0652 local (local sunrise 0700) I was tuning around 40m and worked VK3MO - with my barefoot 100W FT-990 into an inverted vee doublet with the apex at MAYBE 25'. :) (Yeah, yeah - that's temporary and I'm going to raise it. I put it "temporarily" up where I could back last summer...) Granted Ian is pretty much the definition of "big gun" but still that's grey line in action. And I have an S7 noise level.
    W0VRA likes this.
  3. W7UUU

    W7UUU Super Moderator Lifetime Member 133 Administrator Volunteer Moderator Platinum Subscriber Life Member QRZ Page

    Good job! Yes - it really does work.


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