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Butternut

HF9V

80/40/30/20/15/17/12/10/6 Meters

Nine-Band
Vertical Antenna

BUT-HF9V

BUT-HF9V-INS-Revision 5

Artists rendition

1200 Southeast Ave. - Tallmadge, OH 44278 USA

of an installation

Phone: (800) 777-0703 ∙ Fax: (330) 572-3279
Tech Support and International: (330) 572-3200

Содержание BUT-HF9V

Страница 1: ...Meters Nine Band Vertical Antenna BUT HF9V BUT HF9V INS Revision 5 Butternut 2021 Artists rendition 1200 Southeast Ave Tallmadge OH 44278 USA of an installation Phone 800 777 0703 Fax 330 572 3279 Tec...

Страница 2: ...or less 140 150 kHz on 40M 25 30 kHz on 75 80M Active Element Lengths 1 4 wavelength on 80 40 30 and 15M 3 8 wavelength on 20M 1 2 wavelength on 17M 5 8 wavelength on 12M 3 4 wavelength on 10 6M Requ...

Страница 3: ...28 MHz On 20 meters the entire radiator operates as a 3 8 wavelength vertical with much higher radiation resistance and VSWR bandwidth than conventional or trapped antennas having a physical height o...

Страница 4: ...should be removed and washed separately from other clothing The washing machine should be rinsed thoroughly after the exposed clothing has been washed Check with your local or state safety and or envi...

Страница 5: ...h winds for greater strength in which case the post may be twisted slightly during setting for easy removal later Ensure it is not mounted at an angle You want the antenna to be vertical when fully in...

Страница 6: ...es should be spaced uniformly over 360 degrees although physical circumstances will often make this ideal distribution impossible For a discussion of ground system for elevated verticals see the secti...

Страница 7: ...V vertical antenna The radial plate can be set on the ground When the antenna is installed run a short piece of copper strap from the radial plate to the lower connection of coil Q mounted on tube A o...

Страница 8: ...be SS 30 is an electrical joint compound which effects a substantial electrical connection between metal parts such as telescoping aluminum tubing or other antenna pieces Using Jet Lube SS 30 assures...

Страница 9: ...t roofing compound 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...

Страница 10: ...wering 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...

Страница 11: ...TOR 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 cl...

Страница 12: ...ingle 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 capacit...

Страница 13: ...amp and the wing nut on the upper clamp of the 17M coil assembly A 17 12 W and slide the assembly over the upper end of tube E with the insulator end up 27 Slide the unit down until the lower clamp of...

Страница 14: ...ator K around tube F and use a 8 x 1 screw lock washer and hex nut Tighten just finger tight Final adjustment will be done in a later step 32 Slide wire clamp 0 875 6M with insulator V around tube F 3...

Страница 15: ...rough the small hole in wire clamp 0 750 6M with insulator U 39 Line up and position the bottom edge of the 6M wire clamp 0 875 with insulator V 58 from the upper edge of the 6M wire clamp 0 625 with...

Страница 16: ...d on the opposite side from the 6 meter assembly 45 Measure from the rivet of wire clamp 0 500 15M with wire L to a point 11 feet 3 inches along the stranded wire and mark this point 46 Pass the free...

Страница 17: ...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...

Страница 18: ...nts To aid in eliminating water damage of the coax weatherproof the coax connector when connected to the Feedpoint Connector NOTE Attach radials and ground to tube with insulator A using the remaining...

Страница 19: ...s 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 For adjustment...

Страница 20: ...ng use only enough power to produce full scale deflection of the meter in the forward or R F out position 4 Once the proper coil setting has been found for the desired band segment coil Q base matchin...

Страница 21: ...ctly Make small adjustments A reading of 2 5 1 on 17 is normal 9 Check VSWR on 12 meters Stretch the 12 meter coil in increments of 1 16 or so to raise the resonant frequency or compress the coil a li...

Страница 22: ...radial information install matching line RG 11 75 ohm coax electrical length to be 1 4 wavelength Symptom High SWR on some bands but signals heard on all bands conditions permitting Look for Missing o...

Страница 23: ...s generally degraded performance after long period of time Look for Lack of routine maintenance Coax may be waterlogged or damaged Buildup of salt or pollution deposits on insulators and capacitors Ra...

Страница 24: ...90 07 200 pf 67 pf 67 and 200 pf with Bracket As of October 2016 the following capacitor assemblies are BUT 290 05A BUT 290 06A BUT 290 07A 200 pf 67 pf with Bracket 67 and 200 pf with Bracket The bra...

Страница 25: ...the antenna Synthetic Textile Industries 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...

Страница 26: ...Capacitor Bracket Clamp 2 G Tube G 3 4 dia x 48 long 1 CC Adjustable Element Clamp Small 1 H Tube H 5 8 dia x 48 long 1 8 32 X 2 Long Screw 2 I Tube I 1 2 dia x 48 long 1 8 32 X 1 1 2 Long Screw 3 J T...

Страница 27: ...26 HF9V Assembly with Enlarged Details Dimension in inches Drawings not to scale 30...

Страница 28: ...ss 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 imprope...

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