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... ed, it was only used for long-distance search. The antenna shelf of this radar was very large, similar to a TV antenna. The wavelength was in the meter band, which was called the P-band.
(Past band, P is the first letter of Previous).
Later, with the continuous improvement of technology, the 23 cm band was selected as the electromagnetic wave of the search radar. This band was defined as the L band (long band, L, the initial letter of Long). Later, there were some changes. The c ...
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