[Premium-Rx] NRD-515 Modifications

[Administrator/jhafele]

Good evening, all -

The aforementioned 10-turn pot modification was initially performed by
Universal Radio as I recall.

It was an option when purchasing the new receiver from them. Years ago, I
performed that modification on one of my NRD-515s utilizing a Bourns 10-turn
pot and companion 10-turn dial. Very beneficial addition to that receiver.
The removal of the aforementioned resistors and diodes by another group
member is the way to go for much better performance in the lower frequency
range(s). I believe that the modifications in question are explained in
detail in the `FILES` section of the Yahoo Group`s NRD-515 website.

Best to all -

John,  WA1NLJ