Dx and the propagation

The best conditions of the propagation. On 1O and the 15 meters, normally they exist between two zones that are in full light. On the 20 meters, the propagation via long happens when one zone and in phase of sunset while the other and at daybreak. On the 40 and 80 meters the best conditions are had when and sunset in the western zone and and the dawn in the zone orients them of the connection. A lot often special conditions of propagation exist with an area much limited one, called grey line. Draft of that zone that divides the area of the world illuminated from the sun from that not the e'. The shape of the " varied grey line " during the year.

 

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