L2 SIRAL Mode Monitoring

IPF Baseline:
Phase:

Cryosat L2 data includes a SIRAL Mode indicator (field 2) for each 20Hz record. For each measurement, Cryosat may be operating in LRM, SAR, SARIN or SARIN Degraded mode depending upon the instrument health and current operational geographical mode mask (see latest example v3.9 ).
The operational geographical mode mask is updated weekly (every Monday at 00:00 UCT), primarily to account for changes in sea-ice extent, and we therefore expect to mainly observe changes in the SAR/LRM mode extent between data takes in areas of sea-ice.

Note that for 30 day data takes, the mode mask will normally change during the data take period and therefore some areas will have a mixed mode.

This tool provides statistics and global and polar map plots of the SIRAL mode for each 7-day and 30-day data take. 7-day data takes are aligned to the mode mask change dates.


Select Data Take Period:
7-days 30-days
View Global Trend

Operational Phase (Baseline-E)

Data take Timespan %LRM SAR SARin Unk Global Map North Polar South Polar
1637/2/24 -> 7/3/2468.13 / 18.27 / 13.59 / 0ViewViewView
1628/1/24 -> 6/2/2467.69 / 18.74 / 13.55 / 0ViewViewView
1619/12/23 -> 7/1/2466.67 / 19.73 / 13.59 / 0ViewViewView
1609/11/23 -> 8/12/2366.75 / 19.61 / 13.62 / 0ViewViewView
15910/10/23 -> 8/11/2367.13 / 19.31 / 13.54 / 0ViewViewView
15810/9/23 -> 9/10/2367.63 / 18.73 / 13.62 / 0ViewViewView
15711/8/23 -> 9/9/2367.58 / 18.83 / 13.58 / 0ViewViewView
15612/7/23 -> 10/8/2367.3 / 19.07 / 13.62 / 0ViewViewView
15512/6/23 -> 11/7/2367.27 / 19.14 / 13.58 / 0ViewViewView
15413/5/23 -> 11/6/2367.24 / 19.15 / 13.6 / 0ViewViewView
15313/4/23 -> 12/5/2367.07 / 19.24 / 13.67 / 0ViewViewView
15214/3/23 -> 12/4/2367.46 / 19.16 / 13.36 / 0ViewViewView
15112/2/23 -> 13/3/2368.15 / 18.63 / 13.21 / 0ViewViewView
15013/1/23 -> 11/2/2367.27 / 19.43 / 13.29 / 0ViewViewView
14914/12/22 -> 12/1/2366.42 / 20.26 / 13.31 / 0ViewViewView
14814/11/22 -> 13/12/2266.25 / 20.4 / 13.33 / 0ViewViewView
14715/10/22 -> 13/11/2266.52 / 20.14 / 13.33 / 0ViewViewView
14615/9/22 -> 14/10/2266.99 / 19.71 / 13.28 / 0ViewViewView
14516/8/22 -> 14/9/2267.03 / 19.72 / 13.24 / 0ViewViewView
14417/7/22 -> 15/8/2266.8 / 19.98 / 13.2 / 0ViewViewView
14317/6/22 -> 16/7/2266.78 / 19.99 / 13.21 / 0ViewViewView
14218/5/22 -> 16/6/2266.99 / 19.74 / 13.26 / 0ViewViewView
14118/4/22 -> 17/5/2267.05 / 19.58 / 13.36 / 0ViewViewView
14019/3/22 -> 17/4/2267.69 / 18.91 / 13.39 / 0ViewViewView
13917/2/22 -> 18/3/2267.93 / 18.71 / 13.34 / 0ViewViewView
13818/1/22 -> 16/2/2267.42 / 19.22 / 13.35 / 0ViewViewView
13719/12/21 -> 17/1/2266.65 / 20.02 / 13.31 / 0ViewViewView
13619/11/21 -> 18/12/2165.98 / 20.51 / 13.49 / 0ViewViewView
13520/10/21 -> 18/11/2166.48 / 20.24 / 13.26 / 0ViewViewView
13420/9/21 -> 19/10/2166.93 / 19.78 / 13.28 / 0ViewViewView
13321/8/21 -> 19/9/2167.46 / 19.5 / 13.03 / 0ViewViewView

Note: data takes may be missing if they have not been processed by this IPF Baseline-E