For SSB-CW-Pactor mode , just to think about……  
 
https://www.youtube.com/watch?v=R2XlWb4dugA
			
			
													Signal level adjustment LNB<-->RX
Signal level adjustment LNB<-->RX
					Last edited by 9a6rzn on Mon Feb 22, 2021 12:01 pm, edited 1 time in total.
									
			
									
						Re: Signal level adjustment LNB<-->RX
Absolutely correct for narrowband, but not applicable for DATV.  
The Serit Tuner (used in most QO-100 DATV receiving stations) works best without an attenuator as it is designed to be used with high-gain LNBs.
Dave, G8GKQ
			
			
									
									
						The Serit Tuner (used in most QO-100 DATV receiving stations) works best without an attenuator as it is designed to be used with high-gain LNBs.
Dave, G8GKQ