"निम्न आवृत्ति (LF)": अवतरणों में अंतर
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पंक्ति 24:
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A regular service transmitting [[radioteletype|RTTY]] marine meteorological information on LF is the German Meteorological Service (Deutscher Wetterdienst or [http://www.dwd.de DWD]). The DWD operates station DDH47 on 147.3 kHz using standard ITA-2 alphabet with a transmission speed of 50 baud and FSK modulation with 85 Hz shift
== रेडियो नौवहन संकेत ==
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