Rtlsdr

ΌλαGIFΑυτοκόλληταMeme
a blue background with a white graph and the words gute laune
a computer screen shows a spectrum of a signal with the numbers 137 400 m and 137 600 m visible
a computer screen shows a wavelength of 137.075m
a man wearing a headset and a microphone is sitting in a stadium .
a man is dancing in front of a red brick wall with the words `` come at me bro '' written on it .