NSA/GNDRAD/C1 - IRT not connected

The IRT was unplugged from the Zeno data logger on 12/10/1998 for a interference test and 
when it was plugged back in on 12/22, the connector at the data logger was damaged. The 
data logger and connecter were replaced on 1/20/1999.

• Surface Infra-Red Temperature, Maxima(sfc_ir_temp_max)
• Surface Infra-Red Temperature, Standard Deviation(sfc_ir_temp_std)
• Surface Infra-Red Temperature, Minima(sfc_ir_temp_min)
• Surface infra-red temperature(sfc_ir_temp)