[time-nuts] Thunderbolt stability and ambient temperature

J. Forster jfor at quik.com
Wed Jun 10 17:26:29 EDT 2009


The one I have (make unknown, but about $20 at Walgreens, likely Chinese)
has an AC power supply included. This supply makes LOADS of EMI. It
deafens HF recievers across the street.

-John

========


> In one of my other incarnations, radio astronomy (definitely amateur if
> not downright amateurish) an automotive 12 v thermoelectric cooler was
> converted by one of the group into a servoed "constant" temperature box.
> Those of time persuasion might want to try that. Note the small auto
> coolers can just as well be converted to a constant temperature heated box
> as well.
> Don






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