[Discuss-gnuradio] Why cant I increase signal by 1 hz at a time with high frequencies?

[Douglas Beonkey]

It seems that when I create a signal source block and try and view the
signal on a waterfall plot or FFT plot, I can not increase the signal by
a granularity of 1 Hz at higher starting frequencies.

Example:
If I create a signal source block with a starting frequency of 1.2 GHz,
and in the block have a variable slider added to the frequency (assume
the variable can slide between 0 and 1000), i must move the slider 120
or more steps before the signal shifts on the waterfall plot with a gap
of 120 or more hz.

Is there a way to move the signal by 1 hz regardless of how high or low
the signal source frequency is?

Signal block screen shots attached.

Attachments:
http://www.ruby-forum.com/attachment/11103/Signal_Source_Block.png
http://www.ruby-forum.com/attachment/11104/Signal_Increase_Hz.png


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