[Discuss-gnuradio] basic Rx and wire? Quality of TVRX

[Gautam Sharma]

Hello everyone,

Very new at this with the modest aim of getting an FM receiver up but I have two questions that are simple enough.

1) Considering that we started with the basic Rx and a wire, we were able to hear FM 98.7. This was expected but it is a little sup rising that we can hear this exactly at 98.7 when we punch that into the GUI for the FM receiver. My understanding is that this signal should have aliased to < 32MHz and heard there.  Why is it that we can hear this signal at exactly 98.7 with a wire? 

2) Replacing the Basic Rx with a TV RX we purchased,we can definitely hear bunch of FM signals.  Perhaps this is due to the fact that we dont have the right antenna for TV RX but all the voices are high pitched with the TV RX(remember the chipmunks).  What is the cause for that?

Thanks in advance for all your input. 
Gautam

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