Hy-Gain V-4R Instruction Manual Download Page 5 | Manualshive

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Figure 5

Dimension "A" Chart

Figure 6 Dimension

"B" Chart

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Summary of Contents for V-4R

Page 1: ...lied so that the antenna can be set to any frequency between 400 and 470 MHz SPECIFICATIONS VSWR at Resonance less than 1 5 1 2 1 VSWR Band Width 27 MHz minimum Power Gain 3 dBd 5 2 dBi Antenna Mast Isolation 20 dB Power Input 500 watts continuous Lightning Protection DC ground Height nominal 46 inches 1 17 m Wind Area 0 31 sq ft 0 03 sq m Maximum Mast O D 2 inches 5 08 cm Hardware 18 8 stainless ...

Page 2: ... the 28 inch tube is the bottom Determine the B dimension from Figure 6 For example at 445 MHz B 6 3 8 162 mm Determine the C dimension from Figure 7 At 445 MHz C 2 1 4 57 mm Tighten all bolts in both radial assemblies securely and evenly Select the mast to mast clamp plate and associated hardware and loosely assemble them as shown in Figure 2 Select the V 4R coil assembly The coaxial cable will a...

Page 3: ...Detail B Connecting Coax to Coil Figure 3 Overall View Detail A Top or Bottom View of Radials ...

Page 4: ...ts for additional resonant frequency settings Adjust dimension A to the desired setting per the graph in Figure 5 For example at 445 MHz A 12 1 2 318 mm Tighten the tubing clamp securely until the tubing will not twist or telescope Figure 4 Compression Clamps Part Description Fits No Tubing Sizes 358756 Clamp Size 6 all stainless steel 5 16 hex head screw Part Description Fits No Tubing Sizes 3587...

Page 5: ...Figure 5 Dimension A Chart Figure 6 Dimension B Chart ...

Page 6: ...e inch compression clamp securely The antenna can now be mounted on a mast 2 O D max For adequate lightning protection the antenna supporting structure must be well grounded The remaining length of coax can then be attached and routed to the radio The short length of coax must be at least three feet 3 long so the connection between coax lengths can be made below the mast to mast bracket WARNING In...

Page 7: ... 8 Not Used 9 Not Used 10 358756 Clamp 6 tube 1 11 358757 Clamp 10 tube 1 12 450503 Caplug 5 8 black 1 13 500158 Bolt 10 24 x 1 2 hex head 33 14 Not Used 15 565697 Lockwasher 10 internal 33 16 554071 Nut 10 24 hex 33 17 Not Used 18 505266 Bolt 1 4 20 x 3 4 hex head 4 19 Not Used 20 562961 Lockwasher 1 4 internal 5 21 554099 Nut 1 4 20 hex 4 22 Not Used 23 540036 U bolt 5 16 x 2 x 2 11 16 2 24 5647...

Page 8: ...r warranty provided the product is returned postage prepaid to Hy Gain with a personal check cashiers check or money order for 8 00 covering postage and handling 3 Under no circumstances is Hy Gain liable for consequential damages to person or property by the use of any Hy Gain products 4 Out of warranty Service Hy Gain will repair any out of warranty product provided the unit is shipped prepaid A...

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