Hi Joe! No can do: apples vs oranges 432 uses RF thermistors, not set up for diodes. 73 Jeff In a message dated 2/4/2022 5:38:23 PM Eastern Standard Time, joeprice@... writes: ? Hi Jeff,?How about posting in files or here on how to build your own HF detector for HP432.?Tnx? ? Joe? ?wa9cgz