I found those 4.224 Crystal oscillators (ex equipment) on eBay .
Divide 4224 by 32 (first 8 and then make the quadrature signals), and the LO frequency ends up on 132 kHz. Not bad for a 136 kHz SDR.
Watching the Hubble Space Telescope (an old friend) from the Dominican
Republic
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*A recent article about the possibility of an early demise of the Hubble
Space Telecope caught my eye. I first saw HST as it came overhead (a lot)
du...
1 day ago
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