HY GAIN HG V 4S VERTICAL
User Manual: Pdf HY-GAIN--HG-V-4S-VERTICAL
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IkEfEX TELEX 3600 N COMMUNICATIONS, ALDRICH LIVE SO. MINNEAPOLIS. /~g-~~~~r”iu Description 55420 U S A IORDER MODEL MAN’ ‘A’ General INC. MN V4S NO. 337s I Collinear Gain Vertical for 420450 MHz PN801910 The new Hy-Gain V-4s 70 cm antenna is a collinear, dual % wave, omnidirectional, vertical antenna for the 420-450 MHz Amateur band. The V-4s features two sets of % wave radials which properly decouple the lower % wave radiator from the mast. It also features a 100 watt enclosed coil that matches the antenna to a normal 50 ohms. The feedpoint is a high quality “fY type connectorthat is protected from the weather within the lower radiator. The V-4s also features a mast-to-mast bracket that will accept up to a two inch O.D. mast. _ The V-4s can also be used outside of the 7.0 cm Amateur band. Graphs are supplied so that the antenna can be set to any frequency between 420 and 470 MHz. Specifications less than 1.51 VSWR at resonance ............................................. 27 MHz minimum 2:l VSWR bandwidth .......................................... 3 dBd, 5.2 dEii Power gain ..................................................... 20 dl3 Antenna/ Mast isolation. ................................................. Power input .............................................. 100 watts continuous DC ground Lightning protection ................................................. Height. .................................................... .45 inches (1 .I 4 m) 0.28 sq. ft. (0.026) Wind area .................................................. 2 inches (5.08 cm) Maximum mast O.D. ......................................... 18-8 stainless steel except for U-bolts Hardware ................................. Assembly Unpack the antenna and check the parts against the Parts List and drawings. Select four of the radial clamps and associated shown in figure 1. hardware and loosely assemble them as PO-3315-A-001 Item No. 2 6 13 15 16 tI I-l” x 28’ ; SLOTTED I -\-A - - <;*$A Figure 1 -l- TUBE Oexcrlption Redlel cbmp, 4S0 Tube 1” x 26”. slotted Bolt,‘#lO-24 x t/2” hex Lo&washer, X10, Intemel Nut, 010-24, hex , Repeat the previous two steps for the remaining Set both assembled four radial clamps. clamps upside down on a flat surface. Select the eight radial tubes (7/l 6” x 6”) and insert them completely radial clamps. into the assembled Tighten the outer eight screws of each assembly just enough to hold the radial tubes in place. These screws will be securely tightened in a later step. Select the 1“ x 28” tube. Slip both radial assemblies over the bottom of the 28” tube and position as shown in Figure 3 and Detail A. The unslotted end of the 28” tube is the bottom. Determine the “B” dimension form figure 6. For example, at 445 MHz, B=8 3/16” (208 mm). Tighten all screws in both radial assemblies securely and evenly. Select the mast-to-mast clamp, plate and associated them as shown in Figure 2. hardware and loosely assemble AO-3375-B-002 Item No. 1 3 6 18 20 21 23 24 25 Detcriptton bracket plate, 1 l/E” Mart-to-mart bracket clamp, 1 118” Maat-to-maat Tube 1” x 28”. slotted Bait, ;/V-20 x 3/W hex head Lockwasher. l/4”, internal Nut l/4”-20 hex u&a, s/16:’ x 2” x 2 11116” Lo&washer. S/lb”, split Nut. Y16”-10, hex \ I- I MAST (not supplied 1 Figure 2 Slide the assembled clamp over the bottom end of the 28” tube as shown in Figure 3 and securely tighten the four %I’-20 x %” screws. Select the V-4s Coax adaptor assembly. The coaxial cable will attach to this in a later step. Select the matching coil. Screw the adaptor assembly into the base of the matching coil until snug. The pin in the adaptor assembly should make contact with the pin in the base of the matching coil. Select the V-4s whip adaptor. This part has %I’-24 thread on one end. Screw the whip adaptor into the top of the matching -2- coil. . Detail A 14 15 16 8 SEE DETAIL 8 11 6 II SEE FIGURE 1 - NOTE: THE TOPS OF THE RADIAL CLAMPS FOR THE LOWER SET OF RADIALS ARE EVEN WITH THE TIPS OF THE HIGHER SET. 26 CONNECTOR t COAX (CUSTOMER SUPPLIED 1 Item No. 5 6 7 6 9 10 11 12 14 15 16 26 SEE FIGURE 2\ I/ \ \ Deacrtptlon Tube, 7/16” x 10” Tube, 1” x 26”, slotted Tube, 516” x 7 l/2” swagsd Coil, 100 watt, UHF V-IS whlp adaptor, plated Clamp, l/T, compression Clamp, 1” comprerslon Caplug. 7/W’, black Bolt, MO-24 x l”, hex hcsd Lockwasher, MO internal Nut. #lo-24 hex V-4S Coax adaptor assembly 6 II Detail B Figure 3 Overall View V-4S set at 445 MHz AD-3,Js-A-005 2.0 5 1.5 f 1.0 420 430 440 450 FREQUENCY IN MHz Figure 4 -3- 440 470 . Figure 5 Select the YE” x 7%” tube and slip the unswaged end over the whip adaptor, Line up the holes in these two parts and secure using a #l O-24 x 1” hex head screw, #lO internal lockwasher and #l O-24 hex nut. Tighten securely. Assemble the two compression clamps as shown in Figure 7. MA-OOSS-A-047 -PN VP” x 1’/2” 9’4” 504098 HEX HEAD BOLT, PN 551367 SQUARE NUT, SS -PN 504069 #lo x 1” HEX HEAD BOLT, SS --J PN 555693 $10 SQUARE NUT, SS SS Figure 7 Slip the % inch compression Figure 8. clamp over the s:vaged end of the Yex 7%” tube as shown in Select the 7/l 6” x 10” tube and insert it into the K” tube, to Dimension Figures 3 and 5. For example, at 445 MHz. A=6 3/16” (157 mm). r.-oooo-.a*, v. SLOT IN TUBE I Figure ‘e -4- “A”. Refer to . Tighten the compression clamp securely. Select the 7/l 6” caplug and slip over the end of the 7/l 6” tube. Select the assembled one inch compression clamp and slip it over the top end of the 1” x 28” tube. Position it as shown in Figure 8 and tighten it just enough to prevent it from sliding down the tube. There are two ways to attach your coax to the V-4s antenna. The first method involves attaching a short length of coax to the antenna before attaching the antenna to the supporting mast. The remaining lenght of coax can then be attached and routed to the -radio. The short length of coax must be a least 3 feet long so the connection between coax lengths can be made below the mast-to-mast bracket. The second method involves attaching the complete length of coax to the antenna before attaching the antenna to the supporting mast. In this method, the antenna and entire coax length must be carried up the tower or mast. Choose one of the suggested methods of attaching the coax to the V-4s. Insert one end of the coax into the bottom of the 1” x 28” tube. Push the coax through until the connector emerges from the top to the tube. Screw the connector onto the V-4s coax adaptor. Push the coax adaptor into the top of the 1” x 28” tube until the matching coil rests on the one inch tube. Tighten the one inch compression clamp. The antenna can now be mounted on a mast (2” O.D. max.). For adequate protection, the antenna supporting structure must be well grounded. lightning WARNING: /nstal/atlon of this product near power lines Is dangerous. For your safety, follow the lnstallatlon directions. Several antennas may be mounted on the same mast. Your V-4s should be mounted above the other antenna for best performance. When side mounting the V-4s on a tower, it should be kept at least 10 inches away from the tower. -* -5- ’ LI 1 Parts List Item No. 1 3 4 5 6 7 8 9 10 11 12 13 14 1.5 16 17 18 19 20 21 22 23 24 25 26 Part No. 160011 160012 160047 170474 170475 191003 191004 872202 872203 280168 380413 380421 455644 500158 504069 565697 554071 555693 505266 504098 562961 554099 551367 540036 564792 555747 872205 Description Mast-to-mast bracket plate, 1%” ...................... Radial clamp, 45’. .................................. Mast-to-mast bracket clamp, 1%” ..................... Tube. 7/rs” O.D. x 6 ................................... Tube,W’x 10”. .................................... Tube, l)( O.D. x 28” Slotted ........................... Tube. 5Ia’tx 7%” swaged, drilled & Slotted .............. Coil, 100 watt, UHF ................................. Parts Pack, (stainless steel) V-4s ..................... V-4s whip adaptor, plated ........................... Clamp, l/2”, compression ............................ Clamp, l”, compression ............................ Caplug, ‘/w”, black ................................. Bolt, #lo-24 x ‘A”, hex head.. ...................... Bolt, #lo-24 x l”, hex head ......................... Lockwasher,#lO, internal ........................... Nut, #lo-24, hex .................................. Nut, #lo-24, square.. .............................. Bolt, %“-20 x %“, hex head .......................... Bolt, %“-20 x l%“, hex head ......................... Lockwasher. %“, internal ............................ Nut, %..-20. hex .................................... Nut, %“-20, square ................................. U-bolt. ‘/I6 .......................................... Lockwasher, %s”, split .............................. Nut, %s”-18, hex ................................... V-4s coax adaptor assembly ........................ - . -‘RINTED IN U S A Ccxwyht~ 1982 by Telex -ELEX COMMUNICATIONS All rlqnrs reSer”W 25 NOV 1982 ‘NC -6- QtY i 8 1 8 1 1 :A! 1 1 1 1 1 33 2 33 33 1’ 4 1 5 4 1 2 4 4 1 -4 to 10 I ’ ( 2 9.6 J . l
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