SIRAL Acquisition Mode Monitoring

Source: L2 GDR-A (all acquisition modes) · Variable: flag_instr_mode_op_20_ku

Instrument measurement mode of each 20 Hz measurement, derived from the configuration bits in the L0 data: Low Resolution Mode (LRM), Synthetic Aperture Radar mode (SAR) and SAR Interferometric mode (SARin). The mode is selected on board from the CryoSat-2 geographical mode mask.

Baseline

Cycle (30-day data take)

Area

All areas Global North Polar (>60N) South Polar (<60S)

Baseline-F, cycle 194: 25-Aug-2026 to 23-Sep-2026 · 321 GDR-A files · data covers 22.1 of 30 days Partial cycle processed 15-Oct-2026 01:17 UTC

SIRAL Acquisition Mode: Maps

Global Single map

Map of SIRAL Acquisition Mode. Global, Baseline-F, cycle 194

North Polar (>60N) Single map

Map of SIRAL Acquisition Mode. North Polar (>60N), Baseline-F, cycle 194

South Polar (<60S) Single map

Map of SIRAL Acquisition Mode. South Polar (<60S), Baseline-F, cycle 194

SIRAL Acquisition Mode: Cycle 194 Statistics

Area	Records	Valid	LRM %	SAR %	SARin %
Global	40,279,890	40,279,890 (100.0%)	67.48	18.86	13.66
North Polar (>60N)	6,892,871	6,892,871 (100.0%)	24.55	47.59	27.87
South Polar (<60S)	6,809,604	6,809,604 (100.0%)	40.81	27.53	31.66

Statistics use every 20 Hz measurement of the cycle within each area. Flag percentages are of the valid (non-fill) values.

SIRAL Acquisition Mode: Trends

Area Baselines:

Baseline-F statistics (CSV)

Click a point to show that cycle.

SIRAL Acquisition Mode: All Cycles from Baseline-F

Cycle	Timespan	Coverage (days)
194	25-Aug-2026 to 23-Sep-2026	22.1 partial
193	26-Jul-2026 to 24-Aug-2026	30.0
192	26-Jun-2026 to 25-Jul-2026	22.0 partial