astrochart / CHART

Completely Hackable Amateur Radio Telescope

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direct sampling mode

adampbeardsley opened this issue · comments

At low frequencies, we need to set direct sampling mode. I don't know exactly how to do this, but I'm pretty sure it's possible.

def set_c_freq(self, c_freq, sleep=0.5):

Looking at some data we took with an LWA antenna this afternoon, it looks like all the data with center frequency <= 26 MHz does not work properly. I'm not sure if it's a center frequency limit, or the lowest frequency in the band.
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