Also live near the data centers. While I'm obviously not 100% sure, I think that blue one is on Glenn Dr - for a bit of context, that is less than 3 miles (dri

Also live near the data centers. While I'm obviously not 100% sure, I think that blue one is on Glenn Dr - for a bit of context, that is less than 3 miles (drive) from the Dulles International Airport. I'll see if I can record a video of the sound later tonight. https://www.google.com/maps/place/38%C2%B059'57.6%22N+77%C2%B025'45.4%22W/@38.9993543,-77.4289559,3a,75y,207.86h,84.63t/data=!3m7!1e1!3m5!1s5jxwCCLWNumhKWXc_gt_-g!2e0!6shttps:%2F%2Fstreetviewpixels-pa.googleapis.com%2Fv1%2Fthumbnail%3Fcb_client%3Dmaps_sv.tactile%26w%3D900%26h%3D600%26pitch%3D5.371097748892581%26panoid%3D5jxwCCLWNumhKWXc_gt_-g%26yaw%3D207.8581982422048!7i16384!8i8192!4m4!3m3!8m2!3d38.999331!4d-77.429263?entry=ttu&g_ep=EgoyMDI1MTAyMi4wIKXMDSoASAFQAw%3D%3D https://www.google.com/maps/place/38%C2%B059'57.6%22N+77%C2%...