The depth of the seafloor at a point where you need a sound pulse of 12 seconds to reach the peak and return to?
sound travels 1500m/sec surface sea water in the depth of the seafloor is:
Or to the ocean, where A = B + B = 12 (s) so that A = 6 1500m/sec 6 (1500/sec) 9000m to the ocean If after the depth of the oceanic crust, can not help you sorry.
Installing a depth sounder on my inflateable kayak
|
|
Depth Sounder Secrets $9.95 … |
|
|
SONIC DEPTH SOUNDER FOR LABORATORY & FIELD USE … |
|
|
How to Use Depth Sounder & GPS $9.65 This book goes into detail explaining how these modern, essential tools of anglers work and how to use them to gain an understanding of where you are and what the watery world beneath you contains. If you are trying to determine what the best unit for your type of fishing is then this book will help you to unravel the mystique surrounding these electronic marvels. Those wishing to use depth sounde… |
|
|
… |
|
|
Humminbird 407860-1 HDR650 Digital Depth Gauge $99.99 Humminbird Digital Depth Gauges giv you instant, reliable depth reading even at speeds of up to 70 MPH, and can alert you to both deep and shallow water. Installation in any existing 2 1/8″ opening is easy, and they wire to the ignition to automatically turn on. We didn’t stop there: the display reads in feet, meters or fathoms, and and you can pick a color to complement you boat’s gauges…. |
|
|
Faria Instruments 13850 DEPTH SOUNDER CHES WHITE DIGITAL DEPTH SOUNDER $119.45 Ranges from 1ft. to 199ft. Features an over sized backlit display making viewing easy. Completely waterproof, fits into a 2-1/8″ hole. Programmable keel offset with shallow and deep water audible and visual alarms. Includes transducer, 20 ft. of cable and mounting hardware…. |
|
|
HawkEye D10DX.01T In-Dash Depth Sounder with Air and Water Temperature (Includes Tramsom Mount Transducer) $111.19 The D10DX.01T includes all the advanced sonar, depth alarm, and keel offset capabilities of the D10D, yet incorporates dual temperature displays. A simple press of a button gives instant access to water or air temperature readings via integrated sensors in both the transducer and head unit. Includes interchangeable black and white bezels and face plates, and also a sun cover to protect the LCD dur… |
|
|
HawkEye D10DX.06T In-Dash Depth Sounder with Air and Water Temperature (Includes Thru Hull Transducer) $122.45 The D10DX.06T includes all the advanced sonar, depth alarm, and keel offset capabilities of the D10D, yet incorporates dual temperature displays. A simple press of a button gives instant access to water or air temperature readings via integrated sensors in both the transducer and head unit. Includes interchangeable black and white bezels and face plates, and also a sun cover to protect the LCD dur… |
|
|
Norcross Hawkeye D10D Depth Sounder $99.99 The DF10D digital depth sounder with auto-ranging and auto-sensitivity features is designed to give precise depth readings from 2.5 to 200 feet at speeds up to 63 mph. The depth sounder incorporates an advanced three-stage depth alarm warning system for the user programmable shallow and deep water alarms. Keel-Offset allows readings to be adjusted for vessel draft. The 1.65″ x 0.85″ LCD reads dept… |
|
|
Garmin GPSMAP 541s 5-Inch Waterproof Marine GPS and Chartplotter with Sounder $929.99 GPSMAP 541 Series Marine GPS Receiver (GPSMAP 541S; With dual-frequency transducer)… |
