[ntp:questions] DRM: useless for NTP like services...
uwe_klein_habertwedt at t-online.de
Tue Dec 12 23:34:15 UTC 2006
Max Power wrote:
> The Digital Radio Mondiale standard for long/medium/short-wave digital audio
> broadcasts (freely available for downloading as ETSI TS 101980) includes
> time data, but like with RDS and DVB, the data format specification is not
> really optimized towards high-precision clock synchronization and the DRM
> COFDM demodulator needed is significantly more complex than the AM receivers
> that decode the time signals listed above.
The receivers are essentialy zero-IF downconverters connected to an USB-port.
There are cheap kit sets available:
All other stuff can be done on the host cpu in software.
> It is a shame that the NTP.org has not set up a working group to define
> packet formats for RDS / DVB / DRM / AMSS.
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