Tripod carried four element vertical current meter array, a SeaCat to measure temperature and salinity, a pressure sensor, a five element array of optical backscatter sensors (OBS's), 2 suction pump sampler, 3 optical transmissometers, a profiling acoustical backscattering system (ABS), a laser diffraction transmissometer (LISST), an acoustic altimeter, a strobe camer, and a rotary sector scanning sonar (SSS).