HR-10 thread...

[Guy Giacopuzzi]

Regarding the lack of selectivity, couldn't the xtal filter be
"narrowed" a bit to correct this, i.e., by changing one of the xtal's to
something closer, like 1.8khz instead of the 3khz that it's designed
at?  Wasn't the 3khz bandwidth chosen as a comprimise --barely wide
enough for AM, yet barely narrow enough for CW?

ggg

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