Recent content by tma

Greetings Tony, Many thanks for the info - it got me thinking of the well bottom echo round trip attenuation within the currently 20 ft column of water! I ran across a blog on Bathymetric Lidar (https://geozoneblog.wordpress.com/2013/09/25/bathy-lidar-harder-than-it-looks/) which...

Greetings Diachi, Thank you for your response! The well I am interested in monitoring is roughly 10M deep with a 1.2M diameter concrete crib. I find I can measure it accurately with a laser measuring tool that operates around 650nM. But if I use that same measuring tool to measure...

Greetings All, I wish to introduce myself. I am retired from telecommunications engineering, I am an electronics enthusiast and have been a licensed radio amateur since my teens. I enjoy experimenting with wireless microelectronics and have had the good fortune of finishing in the...

Greetings, I would like to monitor the ground-to-water-surface-level vertical separation distance in a well using a TOF 850nM laser range sensor. The water is visibly very clear and has some mineral content. The beam would be perpendicular to the plane of the water surface. I have three...