[mythtv-users] Digital technicalities (Was: Obama Recommends Delay in Digital TV Switch)

David Brodbeck gull at gull.us
Sat Jan 10 00:38:54 UTC 2009


On Fri, January 9, 2009 12:25 pm, Brian Wood wrote:
> A "repeater" uses two frequencies, one for receive and one for transmit.

Yes, but so does a translator -- it's receiving on the input channel and
transmitting on the output channel.  Granted, it's a continuous
transmission from one fixed source, instead of short transmissions from a
bunch of mobile sources, but it's conceptually the same thing as a
repeater.

Just to confuse the issue further, the same type of device is called a
"transponder" when it's on a satellite. ;)





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