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NF Uncertainty calculator - 8970B need to compare to PNA-X and 8974A

Question asked by mirek on Jun 25, 2015
I am trying to calculate low noise amp NF (0.5dB) uncertainty measurement on 8970B as compare to PNA-X and 8974A.
The Keysight calculator (on line version) do not have that old model in the list and I missing some info that I need to input ( I think).
I was able to fill out almost all but I still missing couple:
1. I do not know what is the 8970B noise figure 
2. I do not know NFE Improvement/Int Cal for 8970B 

By the way can somebody in Keysight add the old HP8970B to NF uncertainty calculator list.