![[BPSK Sigma Delta Board]](../lowfer/sdboard.jpg)
This is the Sigma Delta Board (Bill
de Carle) that allows me to decode Binary Phase Shift Keying (BPSK)
signals on the low frequency bands. It connects between my receiver
and a PC that I'm using to run Bill
de Carle's COHERENT software.
![[SD Box]](../lowfer/sdbox.jpg)
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This is the Sigma Delta Board (Bill
de Carle) that allows me to decode Binary Phase Shift Keying (BPSK)
signals on the low frequency bands. It connects between my receiver
and a PC that I'm using to run Bill
de Carle's COHERENT software.