Test data from Lake Hald, Denmark

Source: R/data.R

Test data from Lake Hald, Denmark

hald

Format

A list containing 3 data.tables:

hydros

  • serial Hydrophone serial number.

  • x,y,z Position of hydrophones in UTM.

  • sync_tag ID of co-located sync tag. Must be identical to entries in data.table detections$tag.

  • idx Unique values from 1:nrow(hydros).

detections

  • ts Timestamp of detection in POSIXct().

  • tag ID of detected tag.

  • epo Timestamp as number of seconds since Unix epoch. Can be obtained using as.numeric(ts).

  • frac Sub-second part of detection timestamp in fractions of second [0-1].

  • serial Serial number of detecting hydrophone. Must match entry in data.table hydros.

gps

  • ts Timestamp of gps position in POSIXct().

  • utm_x, utm_y Coordinates of position. Same projection and coordinate system as used in hydros.