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Yep, that's a hot signal, alright.
I tested the Pico and Holland HLSJ devices a couple of years ago. The Holland attenuated 90 MHz by about 25 dB, the Pico was around 31-33 on a curve. Some of our FM filters tested close to 40 dB, but there was a variance all the way down to only 20 dB on some units.
I've got one of the current Radio Shack FM filters at the shop. I'll put it on our new office play toy (Agilent FieldFox N9923A) tomorrow and see what it looks like.
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