SGP/IRT/C1 - Noisy 10m IRT data

The 10M IRT surface temperatures were very noisy because the connection to the data logger 
had become loose.

• Surface Infra-Red Temperature, Minima(sfc_ir_temp_min)
• Surface Infra-Red Temperature, Standard Deviation(sfc_ir_temp_std)
• Surface infra-red temperature(sfc_ir_temp)
• Data Logger Temperature(logger_temp)
• Surface Infra-Red Temperature, Maxima(sfc_ir_temp_max)
• Internal voltage(internal_voltage)