00000nam 2200000zi 4500 9.949196 CaOODSP 20250324071947 m o d f cr mn||||||||| 250318e198408##nkca o f000 0 eng d CaOODSP eng rda CaOODSP eng eng fre Fs97-6/1298E-PDF Fs97-6/1298E Buerkle, U‏., author. Calibration of time-varied gain echosounder receivers / by U. Buerkle. St. Andrews, New Brunswick : Marine Fish Division, Fisheries Research Branch, Department of Fisheries and Oceans, Biological Station, August 1984. ©1984 1 online resource (iii, 6 pages) : illustrations. text txt rdacontent computer c rdamedia online resource cr rdacarrier Canadian technical report of fisheries and aquatic sciences, 0706-6457 ; 1298 Digitized edition from print [produced by Department of Fisheries and Oceans]. "A new method developed to accurately calibrate the time-varied gain echosounder receivers is described. Sampling results are compared to the old method of calibration and errors in biomass estimates produced by the old method are presented"--Abstract, page iii. Includes abstracts in English and French. Echo sounding Instruments Calibration. Fishes Detection Instruments Calibration. Sondage par ultrasons Instruments Étalonnage. Poissons Détection Instruments Étalonnage. Canada. Department of Fisheries and Oceans, issuing body. Canada. Department of Fisheries and Oceans. Biological Station (St. Andrews, N.B.), issuing body. Canadian technical report of fisheries and aquatic sciences ; 1298. (CaOODSP)9.504449 PDF 187 KB https://publications.gc.ca/collections/collection_2025/mpo-dfo/fs97-6/Fs97-6-1298-eng.pdf