I'm a total novice when it comes to RF beyond basic concepts.
I'm trying to use a HackRF One to pull the data coming off of this transponder, which theoretically transmits data on a 3.59MHz carrier.
I've followed some tutorials on BPSK demodulation, but while I expect the constellation to look like this:
I'm getting points all over the I and Q axis with no consistency whenever it transmits (having trouble getting a screenshot of just when the device is transmitting). Here's my current setup - is there a parameter I have incorrect or am missing?