[GreenKeys] Terminal unit (HAL ST-5000) adjustment

[Ethan Blanton]

Jeffrey Angus wrote:
> The problem with the .5 KHz setting is that it's -6 dB at 500 Hz.
> This means both tones are "down the skirts" on the sides of the
> passband. This makes tuning for "equal tone amplitude" a bit
> tricky. This is where the 'scope ellipse display comes in handy.
> 
> It would be easier to use the 2.1 KHz setting. Then adjust the
> passband tuning  more to eliminate adjacent interference either
> up or down from the desired signal.

During RTTY RU, it's the "either up or down" that's the problem.  :-)

Ethan