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8
D120-O-SMC-V Cahors 120cm Satellite Dish
User Manual
POiNtiNG Data accOrDiNG tO GeOGraPhical SitUatiON:
CAUTION!
EAST longitude:
+ sign
WEST longitude:
- sign
aliGNMeNt exaMPle USiNG the aNGUlar cONveNtiONS:
Paris:
Latitude : 48.85°N Longitude : 2.34E
Satellite AB3 : 5W ie –5°
DELTA = I –5 – 2.34 I = I –7.34 I = 7.34
Satellite is West of the alignment location and latitude is close to 49° Northern Hemisphere.
Look at the azimuth chart for the Northern Hemisphere, Satellite west of the site.
Azimuth in NH (chart P13)
: Az = 190° (10°West from south)
Elevation (chart P 12)
: El = 33°
Polarisation (chart P 12)
: 6° negative anti-clockwise direction
DELTA
• DELTA is the relative difference between the
satellite dish site longitude and the satellite
longitude, in absolute terms.
DELTA = Location Longitude - Satellite Longitude
Azimuth angle is positive from North pole
WARNING!
•
Satellite West of satellite dish site:
+ sign Clockwise (CW)
Satellite East of satellite dish site:
- sign Anti-Clockwise (ACW)
