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Fun With Propagation Between the MUF and LUF
Get a hold of a buddy and see if you can make a QSO from 10 meters through 160 meters One autumn day in the late afternoon at the peak of Cycle 23, I ran into an old friend on 10 meters — Dave...
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Limbo Lower: Listening in the CW Basement
Below the 160-meter medium-wave amateur band from 1.8 to 2.0 MHz, and below the even-lower frequency AM broadcast band from 0.535 to 1.720 MHz, is an interesting long-wave band between 0.190 and 0.530...
View ArticleLimbo Lower: Listening in the CW Basement (Part2)
Because NDBs are long-wave signals, they have the advantage that they follow the curvature of the earth for long distances. They are ground wave signals as opposed to sky wave signals.This allows the...
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Limbo Lower: Listening in the CW Basement (Part3)
What You Be HearingSome items to note when listening for NDBs:Sometimes there is a effect.” This occurs when radio waves are reflected back to the ground from the ionosphere and interfere with the...
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Limbo Lower: Listening in the CW Basement (Part4)
DXing the NDBsIf a listener along the East Coast is lucky enough, perhaps some of the long-wave AM broadcasts from Europe and Africa can be heard just after sunset. Similarly, perhaps listeners on the...
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