HF End Fed Antenna 3kW 160-6m with 9:1 UNUN dual 3 inch cores -107 feet long

Description

NOTE!!!
Please read this carefully.
DO NOT BUY THIS ANTENNA UNLESS YOU KNOW HOW IT WORKS.
IT IS UNMATCHED AND COMPROMISE ANTENNA NEEDING AN EXTERNAL ANTENNA TUNER.
YOUR INTERNAL RADIO TUNER WILL NOT BE ABLE TO TUNE IT ON ALL AMATEUR BANDS.
IT NEEDS A GOOD RADIAL FIELD AS COUNTERPOISE FOR ANY EFFICIENCY ON LOW BANDS LIKE 160M AND 80m.
If you are newcomer in amateur radio hobby, do not waste time and money buying this or similar, even cheaper antennas with 9:1 UNUN, and buy good matched and efficient antenna like:
EFHW-8010-2K, EFHW-4010-2K, EFHW-7510-2K  or any other model starting with EFHW.  We have them in our eBay store.
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ALL BAND HF ANTENNA
This is an End Fed multi-band wire antenna that will cover all bands from 160 to 6 meters, including the WARC Bands, as well as 60m meters and MARS frequencies. It utilizes a 9:1 UNUN transformer in order to bring the impedance of an antenna to more manageable values for you antenna tuner.
It is the great ant
enna for HAM radio operators living in HOA controlled housing, hams desiring a very stealthy RV antenna, Field Day operations, sail boats, portable operating, backyard installations, ARES, RACES, etc.
NOTE *** A wide range TUNER may be needed to tune this antenna on 160- 6 meters.
NOTE!! this antenna can be used on 6M but it is not practical... use appropriate antenna for 50MHz  like Yagi, Vertical or simple dipole instead.
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EFLW-3K End Fed Long Wire Antenna
This is an End Fed Long Wire wire antenna that will cover all bands from 160 to 6 meters, including the WARC bands, as well as 60 meters and MARS frequencies. It utilizes a 9:1 UNUN transformer in order to bring the impedance of the antenna to more manageable values for your antenna tuner.
For some frequencies, a wide range antenna tuner might be needed.
It is a great antenna for HAM radio operators living in HOA controlled housing, hams desiring a very stealthy RV antenna, Field Day operations, sailboats, portable operating, attic and backyard installations, ARES and RACES, etc.
F
requency coverage: 1.8-54MHz
Non-Resonant on any amateur radio band,
TUNER is needed
.
Wire length 107 feet
Standard #16 AWG XLPE wire with end insulator.
Power Handling: 3kW I.C.A.S
Stainless Steel hardware
Connector: SO-239
Additional information:
Terminated into 450 Ohms load, VSWR on 9:1 UNUN is almost flat from 1-30Mhz,
This is not the SWR of the antenna. This antenna Needs a wide range of TUNER to operate.
9:1 UNUN has very low Insertion loss, from less than 0.1dB at 1.8MHz to 0.2dB at 28MHz, additional loss of whole antenna system could be expected from mismatch on the coaxial cable and Tuner losses
The transformer is wound with PTFE (Teflon wire) on two (2) 2.9-inch diameter Ferrite toroids in order to handle a legal limit of 1500W at any frequency.
It takes only moments to deploy the antenna. Pull the wire end into a tree, hang it off the balcony, hook it to a pole, hook it to a building and you are on the air making contacts.
Most HF ham bands can be tuned by the tuner on your radio.  NOTE: to tune all HF ham bands an external tuner may be required.
It could work without radials/counterpoise (Coaxial cable has to be at least 25 feet long) but grounding at wing nut next to the connector is recommended if used close to ground as inverted L configuration.
This antenna can be hung in many different configurations. It can be hung as a sloper, an inverted L, hung in a straight line, zigzagged, vertical, horizontal, etc.
Antenna polarization is determined by your installation. Vertical, horizontal, or both can be accomplished.
Due to possible common mode currents on your feeder, we recommend using a CMC-Common Mode Choke/Line isolator such as CMC-154-3K to keep RF away from you and your equipment. It will also help you receive by filtering induced noise from various sources.
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No guarantee or liability is either expressed or implied pertaining to damages to persons, buildings, or equipment in the installation or use of our antennas. You must
use extreme caution when working around power lines
. If the antenna were to come into contact with a voltage carrying line it could be fatal.
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