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Bureau Home > Marine Weather > Marine Radio and Satellite Communications > VMC & VMW Radio

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Australia Weather West - Wiluna (VMW) Specifications

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Frequencies and technical details: VMC (Charleville) - VMW (Wiluna)

The Wiluna VMW radio facsimile system broadcasts a selection of weather charts over the region 25N to 25S and 75E to 180W from 25N between 250E and 150W.

Technical Specifications

Name of transmitting station	Wiluna, WA
Denomination of broadcast	Facsimile transmission
Area of intended reception	Southwards from 25N -25S, 75E - 180W.
Power of transmitters	1 kW
Class of emission	F3C
Bandwidth	White +400 Hz Black -400 Hz
Index of cooperation	576
Scanning line density	3.8 lines/mm
Scanning frequency	120 lines/minute
Start Signals	Carrier modulated by 300 Hz for five (5) seconds
Phasing signals	BLACK signal interrupted by one (1) WHITE phasing pulse per revolution of the facimile drum, transmitted for at least thirty (30) seconds prior to the transmission of the chart
Stop signals	Carrier modulated by 450 Hz for five (5) seconds followed by ten (10) seconds of BLACK signal will be transmitted

Call signs, frequencies and broadcast times	Call Sign VMW	Frequency kHz 5755 7535 10555 15615 18060	Broadcast (UTC) 1100-2100 0000-2400 0000-2400 0000-2400 2100-1100

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