Osvaldo de Garay

QST September 1948.

My prefeered from ET to nowadays is "An Inconvenient Truth". It lacks shooting, bombs, fires, Fx and explosions, but it was very...

ABout 20 years ago, I built a simple TDA2006 stereo amplifier, that was located inside the desktop PC cabinet, and powered from the PC...

Ready to use or for DIY? Estimated power? Fraquency range?

Some informations on a German site: https://www.energie-experten.org/erneuerbare-energien/photovoltaik/solarmodule/hybridmodul

Interesting convination. I don't see it here still.

There are hybrid solar panels on the market that combine a photovoltaic layer on top with solarthermic layer beneath, so that the pv...

My apologies for going off topic in this web site with this post away from the main objective of it. But it went unexpectedly well...

60 Celsius? Good. Has it some means to regulate or adjust this temp?

If you can ensure good thermal conduction, you'll get twice the benefits: cells will work cooler, and as all semiconductor, it's good...

Sure. It's the Edison -Tesla discussion returned. In my installation the most important 12V eater is the fridge (as I said above) 5A...

Thank you. We like it. :)

For meaningful electricity generation with geothermal energy you need about 120degC minimum which in mostt parts of the world - aka...

Sufficient place to build a 80m dipole :-0

Beatiful place...