Description: | VDIS was not comparing well to the local MET TBRG at C1. Most weeks had mulitple days that
were above/below the allowable +/-50% difference between the VDIS and the MET. Several
days had no data recorded as well.
Sample July/August differences:
-7/1 VDIS recording 163% of MET TBRG
-7/2 VDIS recording 2% of MET TBRG
-7/5 no data found
-7/6 VDIS recording 191% of MET TBRG
-7/10 VDIS recording 2% of MET TBRG
-7/11 no data found
-7/12 VDIS recording 6% of MET TBRG
-7/17 VDIS recording 37% of MET TBRG
-7/26 no data found
-7/27 VDIS recording 0% of MET TBRG
-7/28 VDIS recording 0.16% of MET TBRG
-8/2 no data found
-8/12 VDIS recording 33% of MET TBRG
-8/13 VDIS recording 0% of MET TBRG
-8/16 VDIS recording 13% of MET TBRG
-8/17-8/18, 8/22-8/23 no data found
-8/19 VDIS recording 1% of MET TBRG
-8/21 VDIS recording 45% of MET TBRG
-8/24-8/25 no data found
The instrument was having light bulb problems. Repaired and calibrationed in October
2013. |