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39. Install coax 75 ohm matching (R) as shown placing the lug from the center conductor over the

screw on tube (B) and the braid over the screw on tube with insulator (A). To aid in eliminating
water damage of the coax, run it so the terminals are facing downward so water will drip down,
not toward the coaxial cable.

40. Place # 8 washers over each screw and install coil (Q) base matching. Secure with washers, lock

washers and hex nuts.

NOTE: Attach radials and ground to tube with insulator (A) using the remaining # 8 hardware on

the ground side (lower side) of the coaxial cable connection.

WARNING: MAKE SURE THAT THE STATION EQUIPMENT IS CONNECTED TO A

GOOD EARTH GROUND! DO NOT HANDLE CABLE CONNECTED TO STATION
EQUIPMENT WITHOUT FIRST DISCONNECTING THE EQUIPMENT FROM THE
POWER MAINS. YOU COULD BE ELECTROCUTED!

41. Connect the 75 ohm matching (R) coaxial cable to any

length of 50 to 53 ohm coaxial cable that goes to your
transmitter. At the end of the 75 ohm matching cable there
is a double female UHF Connector provided.

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Содержание BUT-HF6V

Страница 1: ...eters Six Band Vertical Antenna BUT HF6V BUT HF6V INS Revision 1a Butternut 2016 Artists rendition of an installation 1200 Southeast Ave Tallmadge OH 44278 USA Phone 800 777 0703 Tech Support and International 330 572 3200 Fax 330 572 3279 ...

Страница 2: ...produces additional resonances at 14 MHz and 28 MHz On 20 meters the entire radiator operates as a 3 8 wave vertical with much higher radiation resistance and VSWR bandwidth than conventional or trapped antennas having a physical height of 1 4 wave or less Because the 20 meter radiation resistance will be several times as greater as that of conventional vertical antennas an electrical 1 4 wave sec...

Страница 3: ...from the power pole to your home There are parts made from fiberglass in this kit Take normal precautions when handling any fiberglass material There may be fiberglass dust slivers or particles present when the fiberglass parts were manufactured The use of typical fiberglass handling safety gear gloves dust mask eye shield clothing etc when handling and working with fiberglass is recommended Use a...

Страница 4: ...d in this manual Information on guying the Butternut HF6V can be found in the section Guying the HF6V Antenna BUT GRK Ground Radial Kit for ground mounting 160 thru 6 meter operation BUT RMK II Roof Mounting Kit for roof mounting 80 thru 6 meter operation Site Selection Ideally select a mounting location clear from power lines structures and other antennas by a minimum of 45 feet Consider overhead...

Страница 5: ...o the earth protect the end of the insulator with a block of wood NOTE DO NOT USE U BOLTS TO ATTACH TUBE W INSULATOR A TO A MAST TOWER ETC WITHOUT ADDED PROTECTION U BOLTS WILL EVENTUALLY CUT INTO THE TUBING AND WEAKEN THE INSTALLATION If U bolts are used place a larger diameter metal tube such as the BUT MPS Mounting Post Sleeve over tube w insulator A Similar precautions should be observed when ...

Страница 6: ...llation and being able to withstand foot traffic over the radial wires without breaking smaller gage wires The wire radials should placed as symmetrically as possible straight from the feedpoint around the vertical antenna and spaced evenly regardless of how many radials are used Do not cross or bunch any radial wires as this nullifies their effectiveness If you have limited space put in as many s...

Страница 7: ...mation When assembling any telescoping aluminum tubing sections you should take the following steps 1 Make sure the edges are smooth and not sharp Deburring may be necessary since burrs and shavings can occur on seams as well as edges All surfaces need to be completely smooth to allow easy assembly of tubing sections Caution Aluminum tubing edges can be very sharp Take precautions to ensure you do...

Страница 8: ...y displacing moisture and preventing corrosion or oxidation 5 When assembling the aluminum tubing sections ensure the area is clear of grass dirt or other foreign material that could cause problems during assembly of the closely fitted telescoping sections Assembly Note For reference purposes a completed HF6V Antenna is shown at the end of this manual following the complete detailed parts list Not...

Страница 9: ...nd polyurethane varnish or another suitable covering to protect the metal against corrosion You may also want to use the optional BUT MPS Mounting Post Sleeve which fits over tube A to help protect it from contamination NOTE DO NOT HAMMER THE MOUNTING POST INTO THE GROUND AS THIS CAN SPLINTER THE FIBER ROD INSULATOR AND COMPLICATE INSTALLATION Note Step 3 starts the antenna assembly minus Tube A w...

Страница 10: ... lowering the entire assembly until the middle clamp can be positioned around the insulator between tube B and tube B1 NOTE The middle clamp may have to be pulled open slightly to pass the bolt that goes through tube B1 and the insulator 7 Position the center coil clamp of coil assembly 80 40 meter C in the center of the insulator between tube B and tube B1 Pass a 10 x 1 screw through the clamp as...

Страница 11: ...CITOR S CERAMIC SHELL 11 Locate capacitor bracket 40 meter D2 and install on the smaller 67 pF capacitor as shown 12 Install the above assembly onto the 10 screw protruding from the tab of the center clamp on the coil assembly 80 40 meter C Align capacitor bracket 80 meter D1 alongside the larger 80 meter coil of coil assembly 80 40 meter C Secure with a 10 flat washer lock washer and hex nut 13 A...

Страница 12: ...lower single clamp of coil capacitor assembly 30 meter P 19 Place a 10 washer lock washer and hex nut on both upper clamps of coil capacitor assembly 30 meter P 20 Pass the lower single clamp of coil capacitor assembly 30 meter P over the insulator end of coil support tube 30 meter O and slide the coil downward along the tube until the upper edge of the upper clamp is flush with the end of the ins...

Страница 13: ...oil on coil assembly 80 40 meter C Secure with a 8 x 3 4 screw lock washer and hex nut Steps 24 through 29 are for installing the 15 meter parts to the antenna Use the following diagram to assist in identifying the parts and their proper locations 24 Position wire clamp 0 875 15M with insulator K around tube F and use a 8 x 1 screw lock washer and hex nut finger tight Final adjustment will be done...

Страница 14: ... 625 15M with insulator M and position it around tube H Final tightening and positioning will be done in a later step 29 Insert the un slotted end of tube I into the slotted end of tube H and secure with a 8 x 1 screw lock washer and hex nut 30 Position wire clamp 0 500 15M with wire L around tube I so the top edge is 13 1 2 from the upper end of the tube 31 Measure from the rivet of wire clamp 0 ...

Страница 15: ...d of tube J into the slotted end of tube I until 25 inches extends out from the end of tube I and secure with the small adjustable element clamp V NOTE In the following steps the antenna will be assembled and raised to its full vertical height If the antenna is to be installed in an elevated position where it is unsafe or inconvenient to make in place adjustments the antenna may have to be install...

Страница 16: ...ock washers and hex nuts NOTE Attach radials and ground to tube with insulator A using the remaining 8 hardware on the ground side lower side of the coaxial cable connection WARNING MAKE SURE THAT THE STATION EQUIPMENT IS CONNECTED TO A GOOD EARTH GROUND DO NOT HANDLE CABLE CONNECTED TO STATION EQUIPMENT WITHOUT FIRST DISCONNECTING THE EQUIPMENT FROM THE POWER MAINS YOU COULD BE ELECTROCUTED 41 Co...

Страница 17: ... is suggested that the antenna be placed as much in the clear as possible and used with the best ground system that conditions permit For a more complete discussion of the interrelationships between vertical antenna efficiency bandwidth VSWR etc a standard text such as the A R R L Antenna Book is recommended See also the additional material included at the end of these instructions For adjustment ...

Страница 18: ...coil Q base matching is left fully compressed if earth losses are low as with an extensive radial system coil Q base matching may have to be stretched to twice its compressed length or more for a good match In any case a single setting for coil Q base matching should suffice for operation over most of 80 75 meters provided the 80 meter coil is readjusted for each different band segment Note that c...

Страница 19: ...proximately 3 inches and that tube J be extended approximately 6 inches beyond the original dimensions given if any above ground installation is contemplated These are merely recommended preliminary settings for it is impossible to indicate precise settings that will produce resonance or lowest VSWR at a given frequency in all installations In the preceding steps it has been assumed that the anten...

Страница 20: ...should be separated as much as possible and the far end of each radial insulated from supporting wires Figure 2 shows a ground plane system that uses four resonant radials for 40 meters another set of four for 20 meters and a third set for 10 meters A separate set for 15 meters is not ordinarily required because the 40 meter radials operate as resonant 3 4 wave radials on that band Figure 1 At the...

Страница 21: ...etal that is directly connected or capacitively coupled to the ground e g central air conditioning systems or structural steel frames of apartment buildings Some amateurs have reported good results with vertical antennas extended horizontally or semi vertically from metal terraces which serve as the ground connection Alternatively a 1 4 wave vertical may be window mounted if a short ground lead to...

Страница 22: ...the side of the vehicle and to prevent side sway This system has been used successfully with various types of Recreational Vehicles travel trailers and even passenger automobiles during portable operation For L shaped mobile homes a vertical antenna should be placed in the corner of the L so that the metal roof will provide ground plane coverage over 270 degrees In all cases the base of the vertic...

Страница 23: ...heck connections to radials and ground system Keep this connection 6 inches or less Symptom SWR on 15 meters seems to vary during a windy day Look for This is normal since the 15 meter wire is side mounted and when the antenna sways the distance between the 15 meter wire and main antenna will vary Symptom High SWR on one band when antenna is roof mounted Radials are in place but antenna will just ...

Страница 24: ...maged Build up of salt or pollution deposits on insulators and capacitors Radial system corroded or rotted away Owner must do routine maintenance at intervals according to local conditions Symptom SWR is OK on 75 meters but goes up gradually when high power is applied This is accompanied by heating of 200 pF capacitor Look for Bad ceramic capacitor Replace Symptom Antenna doesn t tune 80 meter or ...

Страница 25: ... Antenna Support Rope which is a premium double braided Dacron Polyester rope has been used for guying vertical antennas A single set of guys placed just above the 30 meter circuit will contribute greatly to the stability and the longevity of the antenna provided that the guys retain a slight amount of slack and do not come off at too steep an angle At angles of less than 45 degrees the guys begin...

Страница 26: ...9 8 32 X 2 Long Screw 2 E 00123 Tube 1 x 48 long 1 00114 8 32 X 1 1 2 Long Screw 3 F 00124 Tube 7 8 dia x 48 long 1 00079 8 32 X 1 1 4 Long Screw 3 G 00125 Tube 3 4 dia x 48 long 1 00078 8 32 X 1 Long Screw 5 H 00126 Tube 5 8 dia x 48 long 1 00077 8 32 X 3 4 Long Screw 3 I 00127 Tube 1 2 dia x 48 long 1 00080 8 Split Lock Washer 18 J 00175 Tube 3 8 dia x 36 long 1 00081 8 32 Hex Nut 18 K 00286R Wi...

Страница 27: ... 26 HF6V Assembly with Enlarged Details Dimension in inches Drawings not to scale ...

Страница 28: ... waived by Buyer unless made in writing The above warranties shall not extend to any products or parts thereof which have been subjected to any misuse or neglect damaged by accident rendered defective by reason of improper installation damaged from severe weather including floods or abnormal environmental conditions such as prolonged exposure to corrosives or power surges or by the performance of ...

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