GROUND-WAVE PROPAGATION CHARTS (GW BOOK) VOLUME 2 CENTRAL EUROPE
Ground-wave communications can be used in all areas of the world.
Charts have been prepared covering a two-month period and for the
following antennas: 15-foot whip, 32-foot whip, and sloping wire.
Four types of earth conditions are considered:
poor ground, good
ground, fresh water, and sea water.
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