WSPR 30 Receiver Schematic update.

There was an error in the feedback resistor value on the schematic near the NE5534. It was shown as 1k5. This resistor sets the gain of the op-amp stage and should be 220k, giving a gain of 146, or 43db.

In the schematic below it is marked as Rf1.

My apologies for not noticing this error sooner.

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