Table 2. Comparison of HRPT and APT Transmissions

                                       HRPT Transmission     APT Transmission
                                       -----------------     ----------------
Number of AVHRR channels                       5                    2
TOVS provided                                  yes                  no
Temperature accuracy (C)                     0.7                   2.0
Data Rate (K baud)                           665.4                 33.28
Spatial Resolution                             1 km                 4 km