I currently have both of these spectrum analysers
Agilent E4411B ESA-L, 50ohm, 9khz - 1.5GHz, no options
HP 8591C, 75ohm, 1MHz - 1.8GHz, Tracking generator, and narrow bandwidth option.
I'm thinking of letting one go and keeping other, but which one to keep ?
I'm leaning towards keeping the 8591C, yes it is old, has BNC's rather than N-Types, and 75ohm (although 50ohm can be selected in the menu). On the upside it does have a tracking generator and narrow bandwidth option.
The ESA is newer, but it is pretty basic, and I'm not sure it's built as well as the older HP analyser.
Of course I could get rid of both and buy something else with the proceeds ?