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The Natural Philosopher[_2_] The Natural Philosopher[_2_] is offline
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Default Do crystal radios still pick anything up?

On 26/02/16 14:27, Chris Hogg wrote:
On Fri, 26 Feb 2016 14:15:26 +0000, The Natural Philosopher
wrote:

On 26/02/16 11:40, Cursitor Doom wrote:
On Fri, 26 Feb 2016 00:12:41 +0000, The Natural Philosopher wrote:

You can still buy oc71s all right

But why not use something better?

Can you name a better photo-transistor than the OC71?
;-)

OCP71?


IIRC if you carefully stripped the paint off an OC71 you had an OCP71.

Nope. inside was blue opaque gunk after the first few years


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