jim at netgate.com
Tue Sep 4 20:52:11 CEST 2007
On Sep 4, 2007, at 8:30 AM, mcb, inc. wrote:
> On Tue, 4 Sep 2007, Richi Plana wrote:
>> Fascinating. So "passive receivers" really aren't? Or are there
>> of receivers which are (no amplification or very sensitive pickups)?
> Crystal sets.
no amplification: yes
very sensitive: no.... crystal sets require a very strong AM
If you have a very strong AM signal, and your construction skills are
good, you don't even need the crystal:
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