[GreenKeys] PLL TUs

[Horace W. Hall]

> Anybody using the NS-1 (Nat Stinette, Florida) two chip unit of
yesteryear?

I had tried one of those on HF a long time ago. It did work but required a
clear, strong signal to lock onto properly. As someone suggested, a filter
ahead of it might have made it work a lot better, but I never got around to
that, graduating to a HAL ST-6 soon after.
--Wayne
  WB4OGM