HF Ham Radio Antenna 100 Watt Multiband 40-6 Meters OCF Dipole - Free Shipping

Description

A Stealthy, Rugged, 100 Watt 40 thru 6 Meters Multi-band OCF Dipole for Home, Portable and Base Station Operations Simple, Elegant, High Quality For Less. This antenna is the result of amateur radio lessons learned, one of which is if you can put up a dipole, you should. Multi-band antennas are a great convenience at times. For those occasions, we now offer a multi-band dipole that covers 40 Meters in a compact, durable form with exceptional performance at a reasonable price. Check out our antennas operating in the field on and view some excellent ham radio content on YouTube by providers such as Ham Radio Concepts and Outdoors on the Air.
An Extremely Portable, Ultralight, Complete Multi-band Dipole For 100 Watts, Portable, Stealth and Base Operations. Simple, Elegant, High Quality For Less. https://www.ebay.com/str/n9sab
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HF Ham Radio Antenna 100 Watt Multiband 40-6 Meters OCF Dipole - Free Shipping
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An Extremely Portable, Ultralight, Complete Multi-band Dipole For 100 Watts, Portable, Stealth and Base Operations. Simple, Elegant, High Quality For Less. https://www.ebay.com/str/n9sab
A Stealthy, Rugged, 100 Watt 40 thru 6 Meters
Multi-band
Dipole for Home, Portable and Base Station Operations.
Simple, Elegant, High Quality For Less.
This antenna is the result of amateur radio lessons learned, one of which is
if you
can
put up a dipole, you
should
.
Multi-band antennas are a great convenience at times. For those occasions, we now offer a multi-band dipole that covers 40 Meters in a compact, durable form with exceptional performance at a reasonable price.
Check out our antennas operating in the field on and view some excellent ham radio content on YouTube by providers such as
Ham Radio Concepts
and
Outdoors on the Air
.
This is the 100-Watt version of our famous Off-Center Fed Dipole for QRP use, which can be found here:
N9SAB Store
For .95 you will receive:
One original, newly fabricated, 100 Watt Off-Center Fed Dipole with integrated 4:1 matching transformer as depicted in the photos, tested and described below. Made in America with materials sourced from U.S. sellers
A UHF SO239 end protector cap
A camouflage drawstring carry pouch as pictured
Free Shipping within the United States
30 Day FREE Returns
Ham Radio Operators familiar with our antennas already know that compact, light, effective performance means a dipole, to us. The difference here is that we now offer all the highly portable characteristics of our regular antennas in a
multi-band
off-center fed dipole now for
40 through 6 Meters.
This antenna requires a tuner.
Fortunately, there are many compact, portable tuners available and many newer radios include an auto-tuner. If you are equipped this way, then our OCF Dipole is for you. Our antennas are solidly built, rugged and designed to be a high-performance
value alternative
to much more expensive equipment. Don't take our word for it, please check our feedback as a seller.
The antenna is a 40 Meter half-wave dipole fed 1/3 of distance from the end. This raises the feed point impedance to approximately 200 ohms. To compensate, the antenna is equipped with a 4:1 Ruthroff -style voltage balun (impedance matching transformer) embedded between the UHF female connector and the 18 AWG UL1007 radials (See schematic with photos). The transformer uses one (1) FT140-43 ferrite toroid. The result is a highly functional OCF dipole for use on 40 through 6 meters.
Using a Yaesu FT-450D as a transmitter and auto tuner, our OCF Dipole tunes between 1.1 to 1.5 SWR on all bands 3.5.000 to 54.000 MHz. There is a band-by-band SWR readout in the photo section showing values without a tuner. If your tuner can compensate less than 8:1 SWR (most do better) then you will be able to effectively transmit on 40, 30, 20, 17, 15, 12, 10 and 6 meters. Perfect for outdoor or stealth operation. Perfect for a base station antenna. It is also a great, inexpensive gift to give to those involved with amateur radio that requires
no additional finishing.
It fits easily into a pocket, glove box, bag or carrying case.
Many experienced hams would agree that it is very easy to erect an antenna system inferior to a dipole, and very difficult to out-perform one. There are no short-cuts or electronic tricks involved here. The balun design and schematics are straight out of the Antenna Handbook. All electrical connections are soldered using silver bearing rosin-core solder. Parts and connections have been weather proofed using marine-grade, adhesive-lined double walled polyolefin shrink tubing.
The 40 Meter OCFD weighs under 12oz.  (340 grams) and fits into a space 6" x 4" x 2" (153 x 102 x 51mm) when folded. Extended, the dipole is cut for the 40 meter band with one element approximately 22 feet in length, the other approximately 44 feet. It can be used in any of the standard dipole configurations, flat-top, inverted V, sloper, vertical dipole, wire vertical w/counterpoise, etc. but the patterns achieved through different configurations
are not the same
as with a classic half-wave dipole in a standard configuration.
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We hope you will love your purchase, however if you need to return it, we have a free 30 day return policy.