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Wednesday, April 25, 2007

Observations on Aussie DRM

Earlier in the week, Nigel Holmes at RA told me that 5995 kHz uses DRM 1200-1400 UT on 010 deg to PNG and 12080 is DRM 1100-1200 UT on 080 deg (into SW Pacific). Both from tx's at Brandon. Nominal power is 8 kW but did want to run as low as 2-3kW.
The relatively low power (and the beam headings) might explain the poor results. I can't get anything useful on 12080, and 5995 only produces occasional snatches of audio. The high bitrate (23.54kbps) no doubt doesn't help.
Nothing here on 1431 or 1701 either (central west of New South Wales). Can't even hear DRM hash on 1431; 1701 seems to register something in Dream periodically, but not enough for any on-screen information & definitely no audio yet.
(Source: Craig Seager, Bathurst via HCDX)