[QuadList] Mains frequencies==(was Quad - progressive or interlaced?)

georgenann at aol.com georgenann at aol.com
Sat Apr 10 11:17:34 CDT 2010


Sometimes the 50HZ/60Hz thing can help.

The NAVCOMSTA which is located on the Spanish Navy Base in Rota Spain, uses 60Hz, the rest of Spain is 50Hz. This is a big help when you are trying to track down RF noise in the area.  Just lock your spectrum analyzer to "line" and if the noise moves it is 50Hz, if it doesn't move it is 60Hz.

DE

G. Keller






-----Original Message-----
From: Trevor Brown <videovault at sky.com>
To: 'Quad List' <quadlist at quadvideotapegroup.com>
Sent: Sat, Apr 10, 2010 11:57 am
Subject: Re: [QuadList] Mains frequencies==(was Quad - progressive or interlaced?)



Thanks Ted, I bow as always to your wisdom
 
I love the Japanese story
 
Whatever frequency you have it helps if you neighbors have the same, then you can import and export power to help each other
 
This might be a tad complex if you have 50Hz and 60Hz
 
Trevor
UK member
 

From: quadlist-bounces at quadvideotapegroup.com [mailto:quadlist-bounces at quadvideotapegroup.com] On Behalf Of Ted Langdell
Sent: 10 April 2010 16:21
To: Quad List
Subject: Re: [QuadList] Mains frequencies==(was Quad - progressive or interlaced?)

 

I might add that Japan has both 50 and 60hz, a situation created when the competing AC power companies each built systems on different sides of the main Japanese island.

 

Ted

 



Ted Langdell

Secretary


 


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