# Rtlsdr gain

**URL:** <https://discussions.flightaware.com/t/rtlsdr-gain/27221>\
**Category:** ADS-B Flight Tracking\
**Created:** [October 22, 2017, 5:07am UTC](https://discussions.flightaware.com/t/rtlsdr-gain/27221 "2017-10-22T05:07:40Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![woodytheledge](https://sea1.discourse-cdn.com/flex019/user_avatar/discussions.flightaware.com/woodytheledge/32/1593_2.png) [@woodytheledge](https://discussions.flightaware.com/u/woodytheledge)\
**Post date:** [October 22, 2017, 5:07am UTC](https://discussions.flightaware.com/t/rtlsdr-gain/27221/1 "2017-10-22T05:07:40Z")

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Looking for tips on how to figure out the right amount of gain. I have the pro stick plus, I live near a small airport in a small town. Not much in the way of interference as far as I can tell, or is there a way to tell?

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**Author:** ![Ant73](https://sea1.discourse-cdn.com/flex019/user_avatar/discussions.flightaware.com/ant73/32/44664_2.png) [@Ant73](https://discussions.flightaware.com/u/Ant73)\
**Post date:** [October 22, 2017, 11:15am UTC](https://discussions.flightaware.com/t/rtlsdr-gain/27221/3 "2017-10-22T11:15:56Z")

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> [@Gain Adjustment](https://discussions.flightaware.com/t/gain-adjustment/18376/241):
>
> Thanks to the migration to new forum. All pre-migration links to posts and threads are broken. frowning_facecry Also I have noticed that in thread TWEAKS, if anyone makes a new post, it does not show up in “Latest” or “New” grimacing Here are the updated links: Start of Thread: [TWEAKS](https://discussions.flightaware.com/t/tweaks/20339) TWEAK #1: [RANGE CIRCLES](https://discussions.flightaware.com/t/tweaks/20339/2) TWEAK #2: [REPLACING TWO-CLOCK MAP BY SKYVIEW MAP](https://discussions.flightaware.com/t/tweaks/20339/3) TWEAK #3: [Gain Optimization Scripts](https://discussions.flightaware.com/t/tweaks/20339/4)

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**Author:** ![myalias](https://sea1.discourse-cdn.com/flex019/user_avatar/discussions.flightaware.com/myalias/32/33698_2.png) [@myalias](https://discussions.flightaware.com/u/myalias)\
**Post date:** [October 23, 2017, 3:34pm UTC](https://discussions.flightaware.com/t/rtlsdr-gain/27221/4 "2017-10-23T15:34:46Z")

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How high is your antenna? Do you have a clear view of the horizon?

The most likely interference is from TV, FM radio, and cellphone towers. Cell towers are all over the place. An app like [LTE Discovery](https://play.google.com/store/apps/details?id=net.simplyadvanced.ltediscovery) can help find how close cell towers are.