# Need help with my setup

**URL:** https://discussions.flightaware.com/t/need-help-with-my-setup/82134
**Category:** ADS-B Flight Tracking
**Created:** [March 20, 2022, 9:08pm UTC](https://discussions.flightaware.com/t/need-help-with-my-setup/82134 "2022-03-20T21:08:09Z")
**Posts on this page:** 1
**Showing post:** 29

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### Author: ![abcd567](https://sea1.discourse-cdn.com/flex019/user_avatar/discussions.flightaware.com/abcd567/32/113769_2.png) [@abcd567](https://discussions.flightaware.com/u/abcd567)
#### Post date: [March 22, 2022, 4:09pm UTC](https://discussions.flightaware.com/t/need-help-with-my-setup/82134/29 "2022-03-22T16:09:19Z")

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> [@cram314](#):
>
> I ran “sudo dmesg --ctime | grep voltage” but it does not produce any output. I am hoping that means there are no voltage issues.

Yes, no output means no voltage issues.

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> [@cram314](#):
>
> I also thought the point of the ProStick Plus was its embedded filter to help with interference.

In most cases internal filter is enough. However in strong RF interference areas, this may not be enough and an external filter is also required.

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> [@cram314](#):
>
> Is there an easy way to determine if I am getting interference from nearby towers?

### [(1) Do I Need A Filter?](https://discussions.flightaware.com/t/do-i-need-a-filter/27833)

### [(2) Spektrum - How-to Speedily Scan RF Noise in band 24MHz ~ 1800MHz](https://discussions.flightaware.com/t/spektrum-how-to-speedily-scan-rf-noise-in-band-24mhz-1800mhz/71231)

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