TECHNICAL DETAILS OF THE OTTAWA IMAGE:
CD number:  Ottawa_04  
Satellite: Landsat5
Sensor: TM
Path: 16
Row: 28/29
Date (yy/mm/dd): 1987/08/11
Product: Precision map image
Spatial resolution: 25 meters (full resolution), 50 meters
100 meters
Datum: NAD 83
Projection: UTM, Zone 18
N-O: Northing/Easting 5147900 / 286400
N-E: Northing/Easting 5147900 / 536400
S-O: Northing/Easting 4922900 / 286400
S-E: Northing/Easting 4922900 / 536400
Spectral resolution: Bands (TM2-TM3-TM4)  Color infrared 
                                      Bands   (TM1-TM2-TM3)  Natural color
Radiometric resolution: 8 bits unsigned / per band
Image dimension: 10000 pixels X 9000 lines

Format  .TIF  (geotif  + Tfw)    
Radiometric enhancement applied;  .5% - 95% linear
Data compression without loss (.zip)

This CD also contains two 500 meters resolution images manually 
enhanced: Color infrared and natural color.   .TIF and .GIF

This CD also contains two 140 pixels X  126 tumbnail images manually 
enhanced:  Color infrared and natural color.     .TIF and .GIF