Topband: Noise Cancellation Options?

[Walter Miller, AJ6T]

My new 160m sloping "T" transmit antenna seems to be working well, and 
now I need to attack the local RX noise problem (again).  A small 
shielded loop and K9AY help somewhat, but reception is still overwhelmed 
by noise at my QTH.  I have tried both the MFJ-1025 and MFJ-1026 noise 
cancellers with an external noise pickup antenna but I have not been 
able to achieve a null, even with equal S-meter readings from the main 
and noise antennas.  I am aware that Timewave sells their model ANC-4 
with similar specifications (but no hard keying capability).  Are there 
any other noise cancellation options to consider?  Due to recent 
construction in the previously-empty field near my shack, Beverages are 
no longer possible here.  Are some of you using the ANC-4 with success?

73, Walt, AJ6T




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