Data for Chicago WebCam LATITUDE: N/A LONGITUDE: N/A LOCATION: On the Harrison-Dever crib, approximately 3 miles offshore from the City of Chicago. Site online 03 Aug 2000 Web Cam: We are using an Axis P5415-E PTZ camera working through a CDMA modem. The images are 1080p and update every 10 minutes. The CDMA modem serves both the webcam and the met system. Kyle Beadle Marine Engineer, National Oceanic and Atmospheric Administration (NOAA) Great Lakes Environmental Research Laboratory (GLERL) B.S.E. Naval Architecture and Marine Engineering 3/8/2016