Fine offset HP2550 Operation Manual page 51

The actual form is longer, but all questions should be self-explanatory.
Complete and submit the form. You will receive the following notice on
completion:
2) Confirm your email with WOW
Respond to the validation email from WOW(it may take a few minutes).
3) Login to WOW
Follow instructions on the screen and login to the site.
4) Create/Set up a new WOW site
Once you are logged in you will need to create a new WOW site. "Sites" are
the means by which WOW organizes weather data the you contribute.
Basically, WOW builds a personal web site for your weather station.
Associated with the web site is two items you will need to allow uploading of
data:
Site ID: This is an arbitrary number that is used to distinguish your site from
another. This number appears (in brackets) next to or underneath the name of
your site on
6a571450-df53-e611-9401-0003ff5987fd
Authentication Key: This is a 6-digit number that is used to ensure data is
coming from you and not another user.
Begin setting up a new site by clicking "Enter a Site":
the site information
51
page, for example: