[1000mp] Differces between Real Time Scope and Scanned Display
Daniel Gage
kc4eis at gmail.com
Wed Mar 26 20:10:39 EDT 2014
does anyone know exactly were and how to tap the if for a sdr on a 1000mp?
dan
On Wed, Mar 26, 2014 at 3:30 PM, WD8ARZ <wd8arz at comcast.net> wrote:
> Keep in mind that oscilloscopes connected to a receivers I.F. stage are
> showing you in real time the whole viewable spectrum in real time .... same
> for the SDR-IQ display. All you see on the display is real time for the
> full range displayed, no delays from one end to the other end of the
> spectrum range being displayed.
>
> When a program scans your receiver across a frequency range, it is only
> real time at the single frequency location at the moment it is receiving.
> All earlier scanned frequencies on the display are 'old' in the past.
>
> How does this make a difference? Many utility and military transmissions
> are very very short. You will see them pop up on the scope and the sdr, but
> you probably wont on the scanning program presentations.
>
> 73 and have a great week - Bill WD8ARZ
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