DailyStrength Members Community Support Group
Welcome! This community exists for DailyStrength members to have a place to share thoughts and feedback about the site with the folks that run DailyStrength. DailyStrength team members will regularly visit this community, sharing new product ideas, seeking feedback and beta testers, and most importantly, listening to you. Come join us!
Check your documentation, and you may want to check the web site of the company that made your wireless router.
I have also heard, and this is just urban legend, that hackers often put some sort of chalk mark (like grafitti?) that marks areas where unprotected wireless signals are available.