[RFI] Does a power pole generating RFI always generateultrasonics?

[Roger (K8RI)]

On 6/8/2010 9:19 AM, Martin Ewing wrote:
> http://en.wikipedia.org/wiki/High-voltage_direct_current
>
> On Tue, Jun 8, 2010 at 8:34 AM, Peter Laws<plaws at plaws.net>  wrote:
>    
It looks like it has a lot of advantages, particularly on long haul, 
buried, or undersea runs.

73

Roger (K8RI)
>    
>> On Mon, Jun 7, 2010 at 23:05, Jim Brown<jim at audiosystemsgroup.com>  wrote:
>>      
>>> Did anyone notice that he said it was a DC line being planned?
>>>        
>>
>> I did.  Haven't read much of this but assume Mr Edison is laughing
>> somewhere and Mr Tesla is rolling his eyes.
>>
>> Don't get how these are more efficient though, since surely there
>> would be loss when the AC gets rectified at one end and loss when the
>> resulting DC gets chopped into AC for transformation at the other.
>> But it's apparently the new big thing.
>>
>>
>>
>> --
>> Peter Laws | N5UWY | plaws plaws net | Travel by Train!
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>>      
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