In my opinion the filter will likely reduce range in your case.
The noise isn't overly strong and no one can say for certain if it's overloading anything.
(Overload problems are more likely with the Flightaware Pro Stick Plus because it has a builtin LNA that is sensitive to overloading.)
Just get the rtl-sdr LNA and be done with it. It shouldn't be much more expensive and especially if you just have a standard dongle right now, the improvement will be much bigger than just buying one of those filters.
The problem with the filters mentioned is that they reduce the signal as well.
It's a little more tinkering involved to get either a bias-t and supply 5V that way.
Or you get their rtl-sdr blog v3 dongle as well and then you do some fiddling in the software to activate the internal bias-t. (guides available)
Edit: Ok, just properly read the thread and saw that you are using the ProStick Plus.
I'll still recommend the LNA, the performance per dollar you gain is just much better in my opinion.
(Not sure how much the filter is in Australia though)
Edit2:
Also -10 is the highest gain setting. It's called automatic gain control, but that was designed for DVB-T signals, the original purpose of the rtl-sdr chipsets.
ADS-B is too intermittent a signal, so AGC does not work and just switches the gain to maximum.
The noise isn't overly strong and no one can say for certain if it's overloading anything.
(Overload problems are more likely with the Flightaware Pro Stick Plus because it has a builtin LNA that is sensitive to overloading.)
Just get the rtl-sdr LNA and be done with it. It shouldn't be much more expensive and especially if you just have a standard dongle right now, the improvement will be much bigger than just buying one of those filters.
The problem with the filters mentioned is that they reduce the signal as well.
It's a little more tinkering involved to get either a bias-t and supply 5V that way.
Or you get their rtl-sdr blog v3 dongle as well and then you do some fiddling in the software to activate the internal bias-t. (guides available)
Edit: Ok, just properly read the thread and saw that you are using the ProStick Plus.
I'll still recommend the LNA, the performance per dollar you gain is just much better in my opinion.
(Not sure how much the filter is in Australia though)
Edit2:
Also -10 is the highest gain setting. It's called automatic gain control, but that was designed for DVB-T signals, the original purpose of the rtl-sdr chipsets.
ADS-B is too intermittent a signal, so AGC does not work and just switches the gain to maximum.
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