Practical_Antenna_Handbook_0071639586

74 p a r t I I : F u n d a m e n t a l s
Figure 2.40 0200Z April 1 great circle map showing long and short paths between northeastern United
States and Madagascar.
New York and 5R8), there is still a moderately good chance that the two operators will
be able to make contact the long way around. By switching to long path, we have put
the path back into daylight where it counts—at the first MUF control point closest to
each of us, and beyond.
A similar, but opposite, approach works well on 40 and 80 m between the northeastern
United States and Japan during a winter afternoon on the U.S. east coast. In this
case, the objective is to find MUF control points that are in darkness, even though either
or both of the stations involved may be in daylight at the time of the contact. For a DXer
in the northeastern part of the United States whose short-path propagation to the Asi-