PDS_VERSION_ID = PDS3 RECORD_TYPE = STREAM OBJECT = TEXT PUBLICATION_DATE = 2005-05-31 NOTE = " C31_TRIG_34.TXT describes the RPWS instrument configuration for the High Frequency Receiver (HFR), the Medium Frequency Receiver (MFR), the Low Frequency Receiver (LFR), the Waveform Receiver (WFR), the Wideband Receiver (WBR), the Langmuir Probe (LP), the Sounder, and the onboard Dust detection algorithm when using Trigger 34." END_OBJECT = TEXT END Trigger 34 Description Sequence: All Trigger 34 mode The instrument is assumed to be operating in trigger 28. Command Byte Count: 6 Valid Command Count: 90 (Trig 34) A MEM_TWEAK is included in this trigger to set the WBR/DUST antenna multiplexor to the HF position following WBR or DUST data acquisitions. HRS data rate is limited by availability of CPU cycles to perform data movement operations (i.e. no DMA assist available due to concurrent LFDR activities). Receiver Frequency Range Sensor Cycle Time Snapshot Size -------- --------------- ---------------- ---------------- ------------- LFR 1Hz-25Hz EX,BX 32.000 Seconds MFR 25Hz-12KHz EX,BZ 32.000 Seconds Millisec 1.025MHz EX 2.500 Seconds 2048 HFR 3.6KHz-16MHz EX,EW 7.375 Seconds Millisec 8.025MHz EX 2.500 Seconds 2048 WBR 100Hz-10KHz EX 0.125 Seconds 3072 WBR 1KHz-80KHz HF 0.125 Seconds 2048 Correlations Channels Integ. Size Frequency Band Ant. Auto- Cross- per Band df Period Rep Steps kHz Start - Stop ---- ---- ----- ------ -------- -- ------ --- ----- ---- ------------ ABC 2E y y 16 n 1000 1 3.6-319KHz HF1 2E n y 2 n 80 1 30 50 0.325-1.825MHz HF2 1E n n 1 n 20 1 72 200 1.825-16.225MHz Bands ABC require 3.160 sec to complete, H1 requires 2.525 sec, and H2 requires 1.461 sec for a total of 7.146 sec per sweep. The hfr cycle time is 7.375 seconds.