Found the directions to be accurate and easy to follow. We got the weather station up and running quickly and were happy with the results. There is some soldering involved but it's pretty easy. The 24th image of the moon issues a 404 error though it's no needed as there is was no moon when we took the picture. Here's the URL that's returns a 404 http://www.squix.org/blog/moonphase_L24.bmp
One note, it took a bunch of attempts to get wunderground verification email to actually work so we could get an API key.