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When using a Dipole made similar to the above antenna, it is highly recommended
that a 1:1 BALUN be used at the antenna feed point (center insulator).
At BUX COMM, *We don't cut corners!
The components used in the manufacture of our BUX BALUNs are from top quality components, beginning with the Silver Plate SO239 connectors and center insulator is made of teflon™(E.I Dupont). The wire we use to wind the ferrite donut is heavy-duty, silver flashed wire, with teflon™ insulation that will handle RF voltages above 5000 volts, and temperatures above 2000 degrees. The binding posts are heavy-duty, tempered brass, with end holes and side-thru holes to accommodate either type loop-thru connection. A double-shoulder brass capture nut is used to add a secure bite and improve antenna wire electrical connections. With our BUX UN UN (ONION), the coax is Belden™ and the PL259 connectors are Amphenol™.
4:1 Balun, BUXBALUN 41 $19.95
o 50 ohm, SO-239 unbalanced input
o Balanced output
o 1.6 to 30 MHz
o Toroid (Voltage) design
o Heavy Duty, Lightweight construction
o Sealed against moisture
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1:1 Balun, BUXBALUN 11 $19.95
o 50 ohm, SO-239 unbalanced input
o Balanced output
o 1.6 to 30 MHz
o Toroid (Current) design
o Heavy Duty, Lightweight construction
o Sealed against moisture
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BUX UN UN De-Coupling transformer, similar to above, but has SO-239 (female)
input connector and output connector is 1 ft Mini 8 cable with PL-259 (male).
BUX ONION $19.95
4:1, 1.5kw Balun, BUX BALUN 41HD $27.95
Toroid design, wound with teflon covered, silver plated wire.* Heavy-Duty, construction.1:1, 1.5kw Balun, BUX BALUN 11HD $27.95
Toroid design, wound with teflon covered, silver plated wire.* Heavy-Duty, construction.1:1, 1 kw VHF Balun, BUX BALUN 11V $24.95
Hi-Q, toroid design, wound with teflon covered, silver wire. For VHF beams and J-Pole matching applications, and construction.
Includes 6 ft, high-quality PL-259 to PL-259 Mini-8 cable/jumper. Connectors are Amphenol™ with Belden cable.
BUX ONION "Decoupling (isolation balunun) Transformer"
BUX UN UN De-Coupling transformer, has SO-239 (female)input connector and output connector is 1 ft Mini 8 cable with PL-259 (male).
BUX ONION is and UNbalanced to UNbalance (UN-UN) decoupling transformer designed to be used specifically with the DBLSPCL antenna. High RF currents traveling along the coax feed-line shield can cause high VSWR. This decoupling transformer prevents RF currents from traveling down the outer shield of the coax. The input connector is an SO239 (female) and the output connector is a PL259 (male), which mates the connector of the "DBLSPCL" RV/Apartment dweller antenna shown above.BUX ONION $19.95
4:1 High Performance, Heavy Duty, 2 KW Balun
*CW/SSB duty-cycles only. SSB/CW Power @ 3.5 MHz* >1.5 kW if SWR is less than 3:1
*Not rated for AM, RTTY or other high duty-cycle digital modes.
Double-co-efficient coupled design.
Exceptional High output.
Large toroid ferrite cores.
High winding reactance with only a L-C compensatio.
Teflon insulated, large gauge, high temperature, wire.
Compensation for wide bandwidth
Rated above the legal power limit.
Stainless-steel eyebolts.
Input Connector SO-239
Output Connector Hard-Drawn, tempered Brass Binding Posts.
Bandwidth 160 - 10 m.
Power Loss, dB less than 1 dB.
CLICK ON the small graphic to view full size.
Half-Wave HF Antenna Cutting Chart.
CLICK ON the small graphic to view full size.
VHF/UHF Cutting Chart
CLICK ON the small graphic to view full size.
Antenna Isolation / Spacing Charts
HAM Radio and Commercial 2-way radio antennas
THE QUAD SHOWN BELOW IS AN EXAMPLE OF A QUAD DESIGN USING DESIGN-A-QUAD ABOVE
ANTENNA INSULATORS
Weatherproof, (TENYTE) insulators. Perfect for your DIPOLE or Windom antenna.
ANTINSL3
For the apartment dweller, you can now hang the 20 meter doublet
in the attic. I've QSO'd with stations all over the world with the
33 ft dipole in the attic of my garage. One insulator at the center, and one at each end.
It's great for other HF WINDOM, single, and multi-band dipole antennas. Dielectric strength is superior to the old ceramic insulators, without susceptibility to cracking or breakage under impact or extreme temperature changes.
Package of 3, $2.99
Package of 10, "TeNyte" BUX TNT Insulators $8.99, ANTINSLX10
For those who want lightning protection, here is one of many, lightning protection device.
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Keep all ground leads as
short as possible. Where lightning is involved, $ 3.95
each 7516
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UHF DOUBLE FEMALE BULKHEAD (feed-thru) CONNECTORS
Order 7518-4 (Four inches) $ 3.95 ea.
10 for $ 34.50
Order 7518-6 (Six inches) $ 4.95 ea.
10 for $ 44.50
Order 7518-8 (Eight inches) $ 8.95 ea.
10 for $ 82.50
Order 7518-10 (Ten inches) $ 10.95ea.
10 for $ 99.50
Order 7518-12 (Twelve inches) $12.95ea.
10 for $ 114.50
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For more RF Connectors and communications site accessories; CLICK HERE ! |
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STATS: Current Balun
4:1
High Performance, Heavy Duty,
Will not saturate at Amateur Radio Power Levels
1:1
version
High Performance, Heavy Duty,
(Current BALUN),
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At BUX COMM, *We don't cut corners! 4:1, 1.5kw Balun,
BUX BALUN 41HD $27.95
1:1, 1.5kw Balun,
BUX BALUN 11HD $27.95
4:1 High Performance, Balun *CW/SSB duty-cycles only. SSB/CW Power @ 3.5 MHz* >1.5 kW if SWR is less than 3:1 *Not rated for AM, RTTY or other high duty-cycle digital modes.
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$19.95 MOBALUN
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An HF Dipole Antenna specially designed with the Apartment Dweller, RV, & Field-day operator in mind.
Don't be fooled by those over-priced knock-offs that use a piece of drilled aluminum that breaks in a cold wind. This is the original, Fixed station, RV, apartment dweller, and portable dipole from BUX Communications. It is designed for rapid deployment and effective HF communications where space is limited. The mounting bracket and hardware are made of high-quality, hard-drawn, aircraft aluminum, to withstand the elements and maintain a strong posture in adverse wind and weather conditions.
On a budget, Mobile in an RV, or live in a space-restricted environment?.. Here's the the solution: Here's an HF horizontal (or vertical) polarized antenna that will meet those beams "head-on!" When installed on a rotor, this combo makes a great bi-directional fixed-station antenna. Shown here with BUX UNUN (ONION) as the decoupling balun (unun) to prevent reradiating of the coax shield and better match at the antenna feed point.
When the stations with the gain and power in their antennas are transmitting in the horizontal plane, then you should be meeting them in the same plane. Horizontal signals tend to follow the earths contour, and are easier to capture using a horizontally polarized antenna. See the BUX UNUN elsewhere on this page.
BCC Photo ©
Photo above; BUX COMM, "DBLCOMBO", see details below.
BUX COMM © graphics 1998-2004 (c)By combining a pair (two) of the single band HF Mobile (loaded) tunable-tip antennas, you can have an ideal, single element, (bi-directional) horizontal dipole.
← At left; is a photo of the BUX CommCo dipole configuration using a pair of our model BHF20M mobile antennas, and our model DABRKT "Double Antenna BRacKeT." The DABRKT will fit up to one and a quarter inch (1-1/4") diameter mast.
The supporting mast is attached to the apex of our warehouse. Overall height of my antenna above ground is only 17 feet. When you see me on 20 meters (14.070,15 USB) running test on RASCAL interfaces, this is the antenna I am using.
←
By combining a pair (two) of the single band HF (VHF) whips at left, you can have an ideal, single element, horizontal dipole (beam). This type antenna opens the world of HF and VHF communications for the apartment dweller, RV HAM, field-day operating, and a variety of other uses and applications.
Bracket alone is $16.95
$16.95 each DBLBRKT
tuneable-tip antennas allow adjusting for minimum VSWR.
or see the DBLSPCL; details below↓
←
When you see me in QSO on 20 meters, using PSK31, I am using this antenna mount with two of the BHF-20 M antennas at 17 ft. An FT-817 at 5 watts PEP, worked 50 + countries.When installed on a rotor, this combo makes a great bi-directional fixed-station antenna. Turning radius, seventeen feet, (approx).
HF Mobile (loaded), tunable-tip antennas
By combining a pair (two) of the single band HF Mobile (loaded) tuneable-tip antennas above, you can have an ideal, single element, horizontal dipole (beam). This type antenna opens the world of HF communications for the apartment dweller, RV HAM, field-day operating, and a variety of other uses and applications. The packages described below include two antenna, the Double Antenna-Bracket (DBLBRKT), and mounting hardware
$
39.97
DBLSPCL
(without BALUN)
With BALUN,
see "DBLCOMBO", below.
By combining a pair (two) of the single band HF Mobile (loaded) tuneable-tip antennas above, you can have an ideal, single element, horizontal dipole (beam). This type antenna opens the world of HF communications for the apartment dweller, RV HAM, field-day operating, and a variety of other uses and applications. The package described below includes two antenna, the Double-Bracket (DBLBRKT), mounting hardware, and BUX BALUN (UNUN). $AVE $$$$$, ADD the BUX UNUN , shown below, BOTH, DPLSPCL & BUXUNUN, for only 75 Meters→  ,
40 Meters→,
20 Meters→,17 Meters→ ,
15 Meters→,
10 Meters→
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Order Line, Monday - Friday 10 AM to 4 PM 1 - 4 3 4 - 5 3 4 - 8873
Order Line ONLY, Mon > Fri 10 AM to 4 PM, 434 534 8873 or FAX your order, 24/7 to FAX 434 525 7818
All text and graphics on these pages are ©®™ of G. E. Rogers Sr and BUX COMM Corp 1986 - 2005
This is our BUX COMM
High-Performance "HAMMER."
BUX
MOBALUN
