[SOC] Nostalgia

[Ian C. Purdie]

f5pbl@qsl.net wrote:

> Bonjour � tous,
>
> My vy first home made RX has been a galena based. It was really amazing to be
> able to listen to BC stations w/o any power supply, just an antenna, a coil, a
> small piece of rock, a capacitor and an headset.

More amazing is looking at the BC signals across the coil/cap with a high
impedance oscilloscope.

Actually volts!


72/73's

Ian C. Purdie
Budgewoi N.S.W. Australia - Co-ords S33�14', E151�34'
VK2TIP "I'll give ya the TIP mate" QRP-L #1978. SOC #171 FP#91
http://www.electronics-tutorials.com/