Digital DawgPound

I ran across a large group of old ww2 era adds, i think i found all the western electric ones, so i threw them up in a directory on the infonomicon site.
View them here

Recently I have been photographing various electronics items for the blog, and other projects. In an attempt to make them look more professional, I have been trying different techniques to remove the backgrounds. These have included Photoshop’s ‘Magic Wand’, ‘Rectangular Marquee’, and ‘Magnetic Lasso’ tools, among others. These work to some extent, [...]

Old Skool Phreak recently published a new article which mentioned the free ICH Uplink Skype to SIP Adapter that is meant to connect your Skype client to a SIP server. I tried to get it working with Asterisk - after placing a call to Skype, it will connect to Asterisk, which will successfully answer [...]

Original Post: Using a Radiosonde as a real time, low cost GPS based tracking device

Thanks to Hack A Day and those that left comments, many useful ideas / suggestions were received along with some offers of support and a promising looking solution.

Here follows a roundup of the more informative comments:
Wizdom points out that if you [...]

A Radiosonde is a small package of electronics used in weather balloons by Meteorologist’s to measure pressure, altitude, wind speed, and humidity. They are mass produced, rarely recovered after use, and fairly low cost devices (~£20 on eBay / Bullnet (non GPS model).
After being launched the Radiosonde works by continuously transmitting back readings to [...]