Archive for date: July 29, 2011

On the Ham Nation podcast, or the perils of perpetual promotion.

July 29, 2011 | Amateur Radio | By: Mark VandeWettering

Ham Nation is a relatively new weekly podcast that is brought to us through the power of the TWIT network, Leo Laporte’s mighty podcast empire. Fellow blogger KE9V had some comments on it, some of which I agree with, and some of which I do not. Of Dits and Bits | KE9V’s Ham Radio Blog. […]

On RC Filters…

July 29, 2011 | Amateur Radio, electronics | By: Mark VandeWettering

Over on the #savagecircuits IRC channel on, Atdiy was trying to decipher the mysteries of a mainstay of analog circuit design: the RC filter such as the one pictured on the right (diagram cribbed from Wikipedia) It dawned on me that (newbie as I am) I didn’t really have a clear understanding of them […]

PDP-10/X on an FPGA

July 29, 2011 | Link of the Day | By: Mark VandeWettering

I think I saw this a couple of years ago, but Doug Conroy seems to have made some progress on his implementation of a PDP-10 on an FPGA. It now can apparently boot ITS. I’m more interested in the prospect of running TOPS-10 so I can relive my early days, but booting ITS is pretty […]