EARTH STATION ANTENNA AZIMUTH (IN DEGREES)
ASSEMBLY AND INSTALLATION
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| EAST WEST | 270 270 | 260 90 |
| 250 110 | 240 120 |
| 230 130 |
| 220 140 |
| 210 150 | 200 160 |
| 190 170 |
| 180 180 | HEMISPHERE | NORTHERN |
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CHART 3 | [AZIMUTH COLUMN READING WHEN EARTH STATION IS EAST OF SATELLITE] | [AZIMUTH COLUMN READING WHEN EARTH STATION IS WEST OF SATELLITE] | EARTH STATION ANTENNA LATITUDE (IN DEGREES NORTH OR SOUTH OF EQUATOR) | 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 |
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| ANTENNA SITE LONGITUDE AND THE SATELLITE LONGITUDE | " L" IS THE DIFFERENCE BETWEEN THE EARTH STATION | AZIMUTH CHART |
| O | 70 |
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| O | 65 |
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| O | 60 | 55 |
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| O | O | 50 | 45 | 40 | 35 | 30 |
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| O | O | O | O | O |
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| 25 | 20 | 15 | 10 | 5 | 0 |
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| O | O |
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| O | O | O | O |
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| WEST EAST | 90 270 | 80 280 |
| 70 290 | 60 300 |
| 50 310 |
| 40 320 |
| 30 330 | 20 340 |
| 10 350 |
| 0 360 | HEMISPHERE | SOUTHERN |
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EARTH STATION ANTENNA AZIMUTH (IN DEGREES)
FEED AND FEED LEG INSTALLATION
NOTE: Long formed end of Side Feed Leg attaches to the Reflector rim, short formed to side of Feed Support Terminal.
Assemble Bottom Feed Leg to bottom of Reflector rim. From the inside of Reflector rim, insert M6 x 16mm Hex Bolt thru hole in rim and attach Bottom Feed Leg. Secure with Lock Washer and Hex Nut.
NOTE: Bottom Feed Leg is the one with slight bend, with lance, on one end, and is shorter than the Side Feed Legs.
Leave all hardware loose. Insert Bottom Feed Leg end with lance into socket hole in center of Feed Support Terminal. Twist to engage lances. Attach left and right Feed Support Legs to Feed Support Terminal, securing with M6 x 16mm Hex Bolts and Lock Washers. Refer to Instruction for Feed Assembly to assemble Feed Assembly and ODU to Terminal Block. Tighten and torque all hardware to Terminal Block and Reflector to 4
FEED AND FEED SUPPORT TUBE INSTALLATION
MEDIUM DUTY
Assemble “U” Clip to bottom of Reflector using M6 x 22mm Round Head Square Neck Bolt, Lock Washer and Hex Nut. Insert bottom Feed Support Tube into “U” Clip and secure with M6 x 55mm Round Head Square Neck Bolt and elastic Lock Nut. (Ref. Fig. 1.5 & 1.6) Assemble Feed Support Block (supplied with Feed package) to Feed Support Tube, using two M6 x 16mm Hex Bolts and Lock Washers.
96cm System (Ref. Fig. 1.5)
Attach Side Feed Legs and Braces to left and right sides of Reflector using M6 x 20mm Hex Bolts, Lock Washers and Hex Nuts. (NOTE: Long formed end of Feed Leg attaches to Reflector. Short formed end of Brace attaches to inside of Reflector rim.) Attach flat- ten end of Brace to top of Mount Housing using M6 x 22mm Round Head Square Neck Bolts, Tooth Lock Washers, Flat Washers and Hex Nuts. Round Head Square Bolt fits on the underside of Mount Housing top, flatten end of Brace on top side of Mount Housing, Tooth Lock Washer on top of flatten end of Brace, then Flat Washer and Hex Nut.
Attach Side Feed Legs to support Block using M6 x 20mm Hex Nuts and Lock Washers. Leave all hard- ware loose.
| ROUND HEAD SQUARE | |
| NECK BOLT (2 REQ) | |
MOUNT | EXTENSION | |
ASSEMBLY | ||
PLATE | ||
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| LOCK WASHER | |
| (2 REQ) | |
| HEX NUT | |
| (2 REQ) |
FIG. 1.3 - Installation of Extension Plate to AZ/EL Housing (1.2m medium Duty Only)
HEX BOLT
FLAT WASHER
HEX NUT
(2 REQ BOTH SIDES)
SIDE FEED LEG
(2 REQ)
HEX BOLT
FLAT WASHER
(2 REQ BOTH SIDES)
FEED HORN/FEED ASSY
w/FEED SUPPORT
BLOCK
FEED SUPPORT
TERMINAL
BOTTOM FEED
LEG
HEX BOLT
LOCK WASHER
(2 REQ)
HEX BOLT LOCK WASHER
HEX NUT
FIG. 1.4 - Installation of Feed/Feed Support Legs to Antenna (Light Duty, 96cm Shown)
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| BRACE (1 L.H. | RD HD SQ NK BOLT |
TOOTH |
| TOOTH WASHER | |
| & 1 R.H.) | FLAT WASHER | |
WASHER |
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| HEX NUT |
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| (2 REQ) |
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| M6 x 20mm |
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| HEX BOLTS |
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| LOCK WASHERS |
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| HEX NUTS |
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HEX BOLT |
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FLAT WASHER | SIDE FEED LEG |
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(2 REQ) |
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| (2 REQ) |
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| BOTTOM FEED |
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MOUNTING |
| SUPPORT TUBE |
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BLOCK |
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HEX BOLT | RD HD SQ |
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LOCK WASHER | NK BOLT |
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(2 REQ) | FLAT WASHER |
| "U" CLIP |
| LOCK WASHER |
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| HEX NUT | RD HD SQ |
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| NK BOLT & |
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| ELASTIC LOCK |
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| NUT |
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FIG. 1.5 - Installation of Feed/Feed Support Legs to Antenna (96cm Medium Duty)
11 | 6 |