Linked End Fed Half Wave - No Tune - 40/20/15/10 Meters - Low Power - Ham Radio HF Antenna Rugged Portable Pota/Sota PETG Enclosure



The Low Power Linked No-Tune End Fed Half Wave for 40 - 20 - 15 and 10 meters

is a fantastic, rapid deployment choice for Portable/Stealth/POTA/SOTA or Emergency HAM Radio Operation using 50 Watts or Less without using a tuner. 1/3 the size and weight of the regular EFHW and available now your choice of color and connector type.

This is a complete, sealed & weatherized, resonant, ready-to-use antenna system. No additional finishing is required. The wire element comes in two sections for rapid deployment.. The primary wire (approx. 32 feet) resonates on 20 and 10 meters. Connection of the secondary wire via quick connector allows access to 40, 20, 15, and 10 meters.

For $89.95 you will receive:

One original, newly fabricated, ready to use No Tune End Fed Half Wave antenna as depicted in the photos, tested and described below. Made in America, by Hams for Hams with materials sourced from U.S. sellers.

Your choice of connector and enclosure color. We have other colors too, so if you don't see something you like, please send us a note, custom features are available.

The secondary wire (40/20/15/10) is cut long to allow for individual tuning

A 16" removable grounding anchor/wire with ring connectors.

A copper/copper alloy grounding spike and alligator clip options.

Stainless Steel Half-Wave Element and Ground Lug Hardware.

A BNC/UHF end protector cap.

A drawstring carry pouch as pictured.

Free Shipping within the United States.

60-day Free Returns

Check out our antennas operating in the field and view some excellent ham radio content on YouTube by providers such as Ham Radio Concepts and Outdoors on the Air. Follow us on twitter: @n9sab_ More great antennas can be found here: N9SAB Store

I recently experienced a set of operating circumstances that would not allow for using a dipole, which is usually my first choice. So while looking for a solution I decided to go with a rapid deployment, 4 Band End Fed Half Wave antenna but add some features and incorporate our style and construction techniques. This No-Tune End Fed antenna comes complete and ready to use, no kits or assembly are needed. The only option operators need to add, if necessary or preferred, is a counterpoise. There is a plethora of information on End Fed Counterpoises available including AA5TB's phenomenal page.

The EFHW, or "End Fed Half Wave", is, like all antennas, a compromise. The compromise here is that the antenna is extremely lightweight, adaptable, easy to erect and very, very stealthy but these characteristics are paid for with its efficiency and radiation properties. Nevertheless, it can be a very effective antenna system for SOTA, POTA, Field Day, or Trail-Ready Antenna without the need for an antenna tuner. The antenna is exceptionally discreet so it can be appropriate for many HOA installations. Simply raise the far end of the antenna as high as possible, connect the ground or counterpoise and connect your coax and run it as a sloper, this is how I use it. Other configurations can be used including Inverted Ls, Vertical, long angle Zig Zags, "V"s and rhombic.

Designed for portable use, but perfectly workable as a low power base station antenna, the matching unit is a 49:1 Fair-Rite 16MM Toroid with winding as shown in the schematic above, set into a weatherized Flame Retardant ABS Hammond 1551 Flanged plastic enclosure, or a colored PETG/Carbon Fiber Blend custom 3D Printed case for added durability. The wire used is 22 AWG UL 1007 stranded wire which makes this antenna light, portable, flexible and easy to set up. The primary element is approximately 32 feet long, which is a half-wave on 20 Meters with 10 Meter capability. Adding the second section allows operation on 40 Meters, plus 20 Meters, 15 Meters and 10 Meters without the use of a tuner. The EFHW is somewhat directional, with radiation mostly running in-line with the antenna. I use mine in a sloper configuration with the apex in the west and base and ground spike in the east and the results with 10 to 15 watts can be seen in the screenshots above. With this model added to my repertoire, I don't have to erect a dipole or worry about using a tuner if it is impractical or inconvenient.

The antenna comes with a grounding spike that allows for grounding in the event a counterpoise is not used. Mounting points for ground wires are stainless steel and will not rust or corrode. The antenna collapses as shown, comes in a 9 x 7 camouflage travel bag and weighs a total of approximately 10 ounces.

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So the first antenna I bought from Tim was just a straight 40 meter dipole. It worked so well I bought this 40-10 end fed half wave. I've know worked 34 countries and 35 states in less than two months. Bosnia was just contacted today on FT8 with my pole holding the antenna about 15 feet up. Austria just came in 4724 miles away. Tim's antennas are an amazing value. Rugged, easy to put up. Flat SWR. The picture I'm putting up shows little yellow squares of all the other stations I've worked. Oops, Belgium is calling. You gotta be kidding me.

Thanks for a great quality antenna

Antenna has treated me well so far. Good quality.

better made than most commercially available antennas. I recommend.

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