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ASL670

50 - 500 MHz Log Periodic Antenna

951494 (3/01)

ASSEMBLY AND INSTALLATION

INSTRUCTIONS

Summary of Contents for ASL670

Page 1: ...ASL670 50 500 MHz Log Periodic Antenna 951494 3 01 ASSEMBLY AND INSTALLATION INSTRUCTIONS ...

Page 2: ...ccepts mast diameters to 2 5 6 4 cm O D but your antenna may be supported safely with 1 5 3 8 cm tubing When installing multiple antennas on a single pipe use a heavier mast with adequate strength to support the added load Also maximize spacing between antennas to reduce interaction Your ASL670 package contains hardware for either horizontal or vertical mounting For VHF operation horizontal polari...

Page 3: ... 010084 18 8 stainless steel split lock washer 28 85 010085 18 8 1 4 20 63 cm stainless steel hex nut 52 88 205188 LPA mounting plate 1 89 195189 Truss bracket 2 91 015291 18 8 10 24 RH slotted stainless steel machine screw 16 92 205292 LPA spacer plate 4 94 015294 1 4 20 x 1 3 4 4 45 cm hex screw 4 95 325295 3 8 x 3 4 Aluminum spacer 4 116 240116 Silicone Package 1 209 013209 18 8 3 8 16 x 4 95 x...

Page 4: ...95 33 20 91 KEY P N DISPLAY DESC SIZE QTY 84 010084 SPLIT 1 4 4 LOCK 64 cm WASHER 85 010085 SS HEX 1 4 20 4 NUT 64 cm 88 205188 LPA ___ 1 MOUNTING PLATE 91 015291 SS MACHINE 10 24 x 5 8 16 SCREW 1 59 cm LPA 92 205292 SPACER ___ 4 PLATE 94 015294 SS HEX 1 4 20 x 1 3 4 4 BOLT 64 20 x 4 45 cm 95 325295 ALUMINIUM 3 8 x 3 4 4 SPACER 95 x 1 9 cm 41 41 11 BA 92 FIGURE A 3 4 1 9 cm BA EL 1 Front Locate th...

Page 5: ...u must adhere to this alternating mounting pattern when installing element sections for the antenna to work properly 77 11 77 14 13 3 Mounting Rear Telescoping Elements EL14 EL13 The two longest elements are mounted toward the rear of the boom Find four 4 1 2 x 46 element sections 13 and four 4 3 8 x 22 extension tubes 14 Locate the rear most 1 2 dia hole of the top rail and install a 1 2 x 46 ele...

Page 6: ...9 2 cm 2 ASL670EL9 EL9 23 1 2 59 7 cm 48 121 9 cm 2 ASL670EL8 EL8 19 1 8 48 6 cm 39 1 4 99 7 cm 2 ASL670EL7 EL7 15 1 2 39 4 cm 32 81 3 cm 2 ASL670EL6 EL6 12 5 8 32 1 cm 26 1 4 66 7 cm 2 ASL670EL5 EL5 10 1 4 26 0 cm 21 1 2 54 6 cm 2 ASL670EL4 EL4 8 1 4 21 0 cm 17 1 2 44 5 cm 2 ASL670EL3 EL3 6 3 8 16 2 cm 13 3 4 34 9 cm 2 ASL670EL2 EL2 5 1 16 12 9 cm 11 1 8 28 3 cm 2 ASL670EL1 EL1 4 3 16 10 6 cm 9 3...

Page 7: ...952 HEX BOLT 3 8 16 x 1 2 95 x 2 54 cm 89 195189 TRUSS __ 2 BRACKET 209 013209 U BOLT 3 8 16 x 4 2 95 x 10 16 cm KEY P N DISPLAY DESC SIZE QTY 5 Feedline Routing To prevent detuning the antenna the feedline must be routed back to LPA mounting bracket along the inside of the boom channel that is connected to the coax cable s shield Identify the boom channel connected to the coaxial cable s shield T...

Page 8: ... this warranty 48 PERIMETER ROAD MANCHESTER NH 03103 603 627 7877 FAX 603 627 1764 SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE 7 Feedline Connection Your ASL670 feedline assembly FL provides a pre installed vinyl weather boot to protect the main feedline connection from moisture Before connecting coat the female N connector threads and cable jacket behind it with a thin film of silicone grease...

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