Acoustic positioning in a reflective environment: going beyond point-by-point algorithms

Table 4 Acoustic transmitter (tag) types, burst interval and power output

	Nb	Type	Programmed burst interval (s)	Power output db re 1 μpa at 1 m	Battery life	Dimensions (mm)	Weight in water (g)
Fixed tags
Sync tags	11	V16-4x	540–660	150–162	10 years	54 × 16	8.1
Ref tags R1–3	3	V16-4x	540–660	150–162	10 years	54 × 16	8.1
Ref tag R4	1	V7	540–660	136	10 years	7 × 18	0.7
Fish tags
Eel tags	10	V13P-1L	17–33	147–153	301 days	13 × 48	6.5
	29	V13-1L	17–33	147–153	507 days	13 × 36	6
	11	V13-1L	17–33	147–153	85 days	13 × 36	6
			60–120		130 days
			20–40		430 days
	11	V9-2L	17–33	146–151	85 days	9 × 21	3.3
			300–360		130 days
			20–40		153 days
Salmon tags	47	V7-2L	15–33	136	64 days	7 × 18	0.7
Salmon tags	25	V7-4L	0–80	136	107 days	7 × 18	0.7
Test tags
255	1	V13-P	17–33	147–153	301 days	13 × 48	6.5
53,427	1	V7	15–30	136	64 days	7 × 18	0.7
16,200	1	V13-P	10	147–153	301 days	7 × 18	6.5

ISSN: 2050-3385