Update for LNA production
The 20dB gain LNA (Low Noise Amplifier) is critical to the receive sensitivity of Ground Sphere, making the difference between a trace of a signal and AX-25 decode.
RTL-SDR Dongle in Linux
I wanted to get a better idea of how the dongle gain was manipulated through software. To do this I first got rtl-sdr and SDRSharp running on my Linux machine.
Update from Tim
Lots of news on SkyCube and NPS cubesats