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Benmar Navigator 555A
στο site :
http://www.noobowsystems.com/restorations/nav555a/nav555a-e.html
…..Unlike the Panasonic Cougar No.7, this radio is designed for a maritime use. Its frequency coverage are, in addition to the regular AM broadcast band, the longwave for beacon stations from 150 kHz to 420kHz, and medium shortwave) from 1.6MHz to 4.6MHz for the maritime communication stations.
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