1. U-Mich Ground Radiometers at CLPX Tony England, PI, england@umich.edu Roger De Roo, co-PI, deroo@umich.edu Haoyu Gu, graduate student, guh@umich.edu Hanh Pham, graduate student, hpham@umich.edu David Boprie, technical support James Glettler, undergraduate student

2. Equipment at CLPX Truck-based radiometers –37 GHz V/H –19 GHz V/H –6.7 GHz V/H –1.4 GHz V/H (?) Micro-met station

3. CLPX radiometer events Large tree upwelling Small tree upwelling Snow course dwell Snow course elevation scan Large tree downwelling Sky calibration  absorber calibration Power-up and thermal set point changes

4. CLPX event descriptions Short Tree Upwelling Tall Tree Upwelling Tall Tree Downwelling Snow Elevation Scan Snow Dwell W NW SW

5. CLPX events Microwave Radiometer Events, by type & epoch Days of data collection, by radiometer and epoch

6. Example brightness data (presented)

7. Example brightness data (corrected)