yyao

9 ms·

1. 1.▲
   by yyao 13y ago

   I was hoping that the link would say that they can't read PGP encrypted messages or something along those lines. Alas, we can't be too sure about that either.
2. 2.▲
   by yyao 13y ago

   > 500 MHz isn't quite enough for voice Thats what I thought. We had a few teams look at ways to carry human voice with less BW in a sensory communications course. The winning team did it with 500Hz. I remember it clearly. There was
3. 3.▲
   by yyao 13y ago

   They are very different. If you are looking for something that you can run from a USB cable, this could be the perfect tool. Someone called this the Bus Pirate of RF and I think its a great way to describe this tool. The SDRs from Per Vices
4. 4.▲
   by yyao 13y ago

   The question of receiving signals is more a philosophical one of ethics. The question of broadcasting signals is one governed by law. In North America, you can't broadcast on a part of the spectrum that you don't have a licence fo
5. 5.▲
   by yyao 13y ago

   Depends on what you want to do. A lot of people think that they need more bandwidth or power to achieve something. This may not necessarily be the case. QRP guys have crossed continents on less than a watt. I remember from my undergrad days
6. 6.▲
   by yyao 13y ago

   Very fun! Ideas: - draw involute teeth forms - allow non circular gears - add other linkages - plot force (torque) and velocity (rotational velocity) against time or position That would be a pretty slick tool for some quick back of the enve