Most of the maps and data files in the Current Deployments section are now generated automatically every 3 hours. Use the Reload or Refresh button to ensure that you are seeing the latest data and not a cached copy.

Location and uplink data

Each deployment's page contains a textual listing of the most recent data received. The first section shows a summary of uplinks received from each SRDL. The second section shows a similar summary of locations, followed by the actual positions received in the last few days. The QUIET column shows the number of days between the latest uplink and the time that the page was created. Values of more than about 1 day are cause for concern.

Diagnostic data

Some of the transmissions made by SRDL's include diagnostic data. This page lists any diagnostics received in the last five days. The fields shown are:

Day/Time	The time that the data was transmitted according to the receiving satellite's atomic clock
Tag time	The time that the data was transmitted according to the SRDL's clock
Maxd	The maximum depth recorded since the start of the deployment (metres)
Elapsed	The number of days since the start of the deployment (this field is not part of the transmission)
Tx_num	The number of completed transmissions. Wraps at 65536.
Ab_tx	The number of aborted transmissions (those cancelled because the SRDL detected the submergence of the antenna before the transmission was completed)
Wet_Dry	If the wet-dry sensor reads continuously wet or dry for an extended period, the software concludes that it has failed. It then tries to use the depth sensor to determine when the antenna is at the surface. This value shows how many times this has happened
Latest reset	The time of the latest hardware reset. The SRDL is normally reset manually using the magnet switch, so this time should refer to the last time the SRDL was activated prior to deployment. The SRDL also contains an internal watchdog timer which can automatically restart the program if it fails during the deployment
Nrst	The number of hardware resets since the SRDL was constructed. An increase in this value after deployment indicates that a recoverable program failure has occurred
ADC	The most recent reading of the pressure sensor during a dry state (i.e. the surface offset). Used to check for transducer drift
Odo	The number of times the odometer appears to have stopped for more than 1 hour
Wet_cond	A running average of the impedance measured by the wet-dry sensor when nominally "wet" (should be close to 0)
Dry_cond	A running average of the impedance measured by the wet-dry sensor when nominally "dry" (should be close to 200)

Maps

In each section, there are two maps showing the movements of all animals that have generated a location in the last few days. One map shows the entire track of each animal since the beginning of the deployment, the other shows only the most recent locations for each animal.

There are also similar maps for each animal separately. All the maps are provided in high quality (about 70kB) and low quality (about 20kB). The content is the same, the only difference is the amount of image compression.

Positions are shown by circles, with the size of the circles increasing with proximity to the current time. The colour of the circles shows the location quality as follows (3 is the best, -2 is the worst):

Because they are generated automatically, the maps may sometimes have a peculiar spatial extent to accommodate very recent 'outlier' positions which have yet to be rejected by the filtering algorithm.

Strip charts