15 lines
		
	
	
		
			510 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			15 lines
		
	
	
		
			510 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
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								=== Calibrating Your Radio
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								 [ ... TBD ... ]
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								=== Reference Spectrum
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								WSJT-X provides a tool that can be used to determine the detailed
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								shape of your receiver's passband.  Disconnect your antenna or tune to
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								a quiet frequency with no signals.  With WSJT-X running in one of the
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								slow modes, select *Measure reference spectrum* from the *File* menu.
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								Wait for about a minute and then hit the *Stop* button.  A file named
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								`refspec.dat` should appear in your log directory.  
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								 [ ... more to come ...]
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