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@ -28,7 +28,7 @@ there, as 99MHz FM is is in the FM radio bands. MAKE SURE YOUR ANTENNA IS SMALL!
There is also a MUCH STRONGER harmonic at ~155.726MHz FM, in the 2m amateur radio band. PLEASE, PLEASE, PLEASE don't use a large
enough antenna for it to be able to send that very far. And this signal will actually reach FURTHER than the AM one because it
is a shorter wavelength and therefore sends better using a short antenna. ***__PLEASE add the low pass filter I described.__***
is a shorter wavelength and therefore sends better using a short antenna. ***__If you want to use a longer antenna, PLEASE add the low pass filter I described, it fixes the noise enough for big antennas to be fine.__***
## How it works
@ -49,7 +49,7 @@ It has the following jobs:
- **An extra resistor of about 50-400 ohms may be added from the AI+ point to the AI- point to load the signal.** This is optional, but
*can* clean up a little bit of noise if you have long cables.
**ERRATA :warning:**<br>
**IMPORTANT :warning:**<br>
If you aren't an asshole, ***PLEASE*** add the low pass filter as mentioned in the Disclaimer:
- Add the 100ohm resistor (R3 in new schematic) between pico and antenna
- Wire a 2nF (2000pF) capacitor (C1 in new schematic) between the new start of the antenna and ground