506 
TABLE 2 LANDSAT-4 INSTRUMENT COMPARISON 
MEASURE MULTI SPECTRAL SCANNER (MSS) 
THEMATIC MAPPER (TM) 
• NOMINAL GROUND 60 x 80 METER 
RESOLUTION 
30 x 30 METER 
• SWATH WIDTH 185 KM 
185 KM 
• SPECTRAL BANDS (/^M) 
0.45 TO 0.52 
g 0.5 TO 0.6 
g 
0.52 TO 0.60 
0.6 TO 0.7 
0.63 TO 0.69 
0.7 TO 0.8 
0.76 TO 0.90 
0.8 TO 1.1 
1.55 TO 1.75 
2.35 TO 2.55 
10.4 TO 12.6 
• A/D CONVERSION (BITS PER PIXEL) 6 
8 
• APPROXIMATE NUMBER OF PIXELS 32 MILLION 
PER SCENE (ALL BANDS) 
300 MILLION 
® DATA RATE 15 Mbps 
85 Mbps