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 examples v3.3 v3.2).
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-C)

Data take Timespan %LRM SAR SARin Unk Global Map North Polar South Polar
8114/5/17 -> 12/6/1754.08 / 28.58 / 17.11 / 0.2ViewViewView
8014/4/17 -> 13/5/1754.69 / 27.92 / 17.16 / 0.21ViewViewView
7915/3/17 -> 13/4/1754.12 / 28.3 / 17.35 / 0.21ViewViewView
7813/2/17 -> 14/3/1756.34 / 28.23 / 15.21 / 0.2ViewViewView
7714/1/17 -> 12/2/1757.28 / 28.35 / 14.15 / 0.2ViewViewView
7615/12/16 -> 13/1/1756.61 / 29.01 / 14.17 / 0.2ViewViewView
7515/11/16 -> 14/12/1657.45 / 28.2 / 14.14 / 0.19ViewViewView
7416/10/16 -> 14/11/1658.55 / 26.98 / 14.27 / 0.18ViewViewView
7316/9/16 -> 15/10/1657.49 / 26.22 / 16.1 / 0.17ViewViewView
7217/8/16 -> 15/9/1658.55 / 23.3 / 17.95 / 0.19ViewViewView
7118/7/16 -> 16/8/1658.18 / 22.71 / 18.9 / 0.19ViewViewView
7018/6/16 -> 17/7/1658.21 / 24 / 17.59 / 0.18ViewViewView
6919/5/16 -> 17/6/1657.9 / 27.91 / 13.98 / 0.18ViewViewView
6819/4/16 -> 18/5/1657.82 / 28.3 / 13.66 / 0.19ViewViewView
6720/3/16 -> 18/4/1657.72 / 28.38 / 13.7 / 0.19ViewViewView
6619/2/16 -> 19/3/1658.43 / 27.82 / 13.53 / 0.19ViewViewView
6520/1/16 -> 18/2/1658.95 / 27.18 / 13.65 / 0.2ViewViewView
6421/12/15 -> 19/1/1657.87 / 28.09 / 13.82 / 0.2ViewViewView
6321/11/15 -> 20/12/1557.15 / 29.22 / 13.41 / 0.2ViewViewView
6222/10/15 -> 20/11/1558.53 / 27.67 / 13.59 / 0.19ViewViewView
6122/9/15 -> 21/10/1559.94 / 26.39 / 13.47 / 0.18ViewViewView
6023/8/15 -> 21/9/1559.89 / 26.01 / 13.91 / 0.17ViewViewView
5924/7/15 -> 22/8/1559.51 / 26.33 / 13.96 / 0.18ViewViewView
5824/6/15 -> 23/7/1559.08 / 26.84 / 13.89 / 0.18ViewViewView
5725/5/15 -> 23/6/1560.42 / 25.93 / 13.45 / 0.18ViewViewView
5625/4/15 -> 24/5/1556.6 / 26.17 / 17.01 / 0.21ViewViewView
5526/3/15 -> 24/4/1564.88 / 19.99 / 14.92 / 0.2ViewViewView
5424/2/15 -> 25/3/1567.69 / 20.2 / 11.9 / 0.19ViewViewView
5325/1/15 -> 23/2/1567.53 / 20.33 / 11.93 / 0.19ViewViewView
5226/12/14 -> 24/1/1566.63 / 21.11 / 12.05 / 0.19ViewViewView
5126/11/14 -> 25/12/1465.87 / 21.99 / 11.93 / 0.19ViewViewView
5027/10/14 -> 25/11/1466.14 / 21.58 / 12.07 / 0.18ViewViewView
4927/9/14 -> 26/10/1466.6 / 20.88 / 12.32 / 0.17ViewViewView
4828/8/14 -> 26/9/1467.16 / 20.05 / 12.61 / 0.16ViewViewView
4729/7/14 -> 27/8/1467.31 / 20.33 / 12.17 / 0.17ViewViewView
4629/6/14 -> 28/7/1466.74 / 20.41 / 12.65 / 0.18ViewViewView
4530/5/14 -> 28/6/1465.92 / 20.38 / 13.5 / 0.18ViewViewView
4430/4/14 -> 29/5/1465.96 / 20.48 / 13.36 / 0.18ViewViewView
4331/3/14 -> 29/4/1466.55 / 19.96 / 13.27 / 0.19ViewViewView
421/3/14 -> 30/3/1466.64 / 19.48 / 13.66 / 0.19ViewViewView
4130/1/14 -> 28/2/1466.85 / 19.44 / 13.5 / 0.19ViewViewView
4031/12/13 -> 29/1/1466.09 / 20.14 / 13.55 / 0.2ViewViewView
391/12/13 -> 30/12/1364.95 / 21.11 / 13.73 / 0.19ViewViewView
381/11/13 -> 30/11/1365.26 / 20.93 / 13.61 / 0.18ViewViewView
372/10/13 -> 31/10/1365.72 / 20.49 / 13.59 / 0.18ViewViewView
362/9/13 -> 1/10/1366.32 / 19.67 / 13.81 / 0.17ViewViewView
353/8/13 -> 1/9/1366.16 / 20.05 / 13.6 / 0.18ViewViewView
344/7/13 -> 2/8/1365.97 / 20.15 / 13.69 / 0.17ViewViewView
334/6/13 -> 3/7/1368.93 / 17.99 / 12.93 / 0.14ViewViewView
325/5/13 -> 3/6/1368.06 / 18.71 / 13.06 / 0.16ViewViewView
315/4/13 -> 4/5/1366.35 / 19.81 / 13.64 / 0.18ViewViewView
306/3/13 -> 4/4/1367 / 19.21 / 13.59 / 0.18ViewViewView
294/2/13 -> 5/3/1366.66 / 19.54 / 13.59 / 0.18ViewViewView
285/1/13 -> 3/2/1366.07 / 20.06 / 13.67 / 0.18ViewViewView
276/12/12 -> 4/1/1366.17 / 20.74 / 12.88 / 0.18ViewViewView
266/11/12 -> 5/12/1265.29 / 20.81 / 13.71 / 0.17ViewViewView
257/10/12 -> 5/11/1265.84 / 20.33 / 13.64 / 0.17ViewViewView
247/9/12 -> 6/10/1266.36 / 19.59 / 13.87 / 0.15ViewViewView
238/8/12 -> 6/9/1266.46 / 19.7 / 13.67 / 0.15ViewViewView
229/7/12 -> 7/8/1266.24 / 19.89 / 13.7 / 0.16ViewViewView
219/6/12 -> 8/7/1266.31 / 20.06 / 13.44 / 0.16ViewViewView
2010/5/12 -> 8/6/1265.98 / 20.18 / 13.66 / 0.16ViewViewView
1910/4/12 -> 9/5/1268.18 / 17.36 / 14.27 / 0.17ViewViewView
1811/3/12 -> 9/4/1268.87 / 16.62 / 14.32 / 0.18ViewViewView
1710/2/12 -> 10/3/1272.08 / 15.12 / 12.62 / 0.16ViewViewView
1611/1/12 -> 9/2/1268.37 / 16.99 / 14.43 / 0.19ViewViewView
1512/12/11 -> 10/1/1267.49 / 17.89 / 14.42 / 0.19ViewViewView
1412/11/11 -> 11/12/1167.32 / 18.07 / 14.42 / 0.18ViewViewView
1313/10/11 -> 11/11/1167.64 / 17.75 / 14.42 / 0.17ViewViewView
1213/9/11 -> 12/10/1169.59 / 16.64 / 13.61 / 0.15ViewViewView
1114/8/11 -> 12/9/1168.5 / 16.96 / 14.37 / 0.16ViewViewView
1015/7/11 -> 13/8/1168.24 / 17.29 / 14.29 / 0.16ViewViewView
915/6/11 -> 14/7/1168.25 / 17.2 / 14.37 / 0.17ViewViewView
816/5/11 -> 14/6/1168.17 / 17.39 / 14.24 / 0.17ViewViewView
716/4/11 -> 15/5/1168.35 / 17.17 / 14.28 / 0.17ViewViewView
617/3/11 -> 15/4/1169.01 / 16.42 / 14.37 / 0.18ViewViewView
515/2/11 -> 16/3/1170.63 / 15.72 / 13.45 / 0.19ViewViewView
416/1/11 -> 14/2/1168.61 / 16.86 / 14.28 / 0.23ViewViewView
317/12/10 -> 15/1/1167.61 / 17.79 / 14.34 / 0.23ViewViewView
217/11/10 -> 16/12/1067.72 / 17.7 / 14.33 / 0.23ViewViewView
118/10/10 -> 16/11/1068.61 / 17.27 / 13.88 / 0.22ViewViewView

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