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We've attempted to simulate the turbulence tower data acquisition configuration at FLAB, with an adam sampling 5 CSAT3 sonics at 20Hz and 1 Licor 7500 whose transmit and signal ground lines are forked to 5 separate serial ports. There is no GPS, CNR1, barometer or 5 TRHs on the test adam. We see no spurious interrupts, and the data system is keeping up with the 1x5 Licor set to 20Hz, 19200 baud. top shows a consistant system idle value between 97 and 80%.
top on the adam at the turbulence tower shows 65-79 % idle. Other than the additional low rate serial sensors there is no difference between the 2 systems. They are both writing the full archive to a usbdisk.