| SITE_ID : AQS id changed from 510719991 to 510719992 |
06-AUG-20 |
| ELEVATION : Elevation changed from 920 meters to 652 meters. |
06-AUG-20 |
| LONGITUDE : Longitude changed from -80.5575 to -80.4572. |
06-AUG-20 |
| LATITUDE : Latitude changed from 37.3298 to 37.3232. |
06-AUG-20 |
| SITE_NAME : Site name changed from Horton Station to Blue Grass Trail. |
06-AUG-20 |
| WINDSPEED_SCALAR : Sensor unwired. |
07-FEB-16 |
| SHELTER_TEMPERATURE : A/C and Heat logger control installed. |
07-FEB-16 |
| SIGMA_THETA : Sensor unwired. |
07-FEB-16 |
| WIND_DIRECTION : Sensor unwired. |
07-FEB-16 |
| WINDSPEED : Sensor unwired. |
07-FEB-16 |
| TEMP2 : Sensor unwired. |
07-FEB-16 |
| RELATIVE_HUMIDITY : Sensor unwired. |
07-FEB-16 |
| TEMPERATURE : 9m temperature measurement with passive aspiration installed. |
07-FEB-16 |
| OZONE : New certification range for site transfer standard |
10-AUG-14 |
| WETNESS : Sensor unwired. |
29-APR-14 |
| RELATIVE_HUMIDITY : Sensor unwired. |
29-APR-14 |
| WIND_DIRECTION : Sensor unwired. |
29-APR-14 |
| SOLAR_RADIATION : Sensor unwired. |
29-APR-14 |
| TEMP2 : Sensor unwired. |
29-APR-14 |
| OZONE : ZSP order changed to SPZ. |
27-FEB-14 |
| OZONE : Foam insulation added to sample line. |
27-FEB-14 |
| OZONE : Knock-out bottle removed. |
27-FEB-14 |
| OZONE : Replacement pressure transducer installed in site analyzer. |
27-FEB-12 |
| OZONE : 10 ft. exhaust tubing added to both analyzers. |
27-FEB-12 |
| OZONE : Ozone sample line filter removed from inside the shelter. |
04-AUG-11 |
| OZONE : Ozone tubing changed from 3/8 inch to 1/4 inch. |
20-FEB-11 |
| OZONE : 40CFR Part 58 ozone site installed using independent site transfer standard. |
20-FEB-11 |
| DATALOGGER : CR3000 datalogger installed. Wiring standardized. |
19-FEB-09 |