long wave
US /ˈlɔŋ weɪv/
UK /ˈlɔŋ weɪv/

1.
gelombang panjang
a radio wave of a wavelength greater than 1,000 meters (frequency less than 300 kHz), used for long-distance communication.
:
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Ships at sea often rely on long wave radio for navigation and communication.
Kapal di laut sering mengandalkan radio gelombang panjang untuk navigasi dan komunikasi.
•
The old radio could pick up stations on the long wave band.
Radio tua itu bisa menangkap stasiun di pita gelombang panjang.