This is one of the 3 antennas used on our Holiday DX Peditions on
Molokai, in the Hawaiian Islands.
Stayed up for 7 days. Used for sending HF Winlink emails, FT-8 and SSB
phone/voice contacts for both NVIS in the island and DX. This was great
for switching bands and checking propagation very fast. I used more
for 40m and 80m as the other antenna was Vertical I would switch on
don't 10m, 20m, 15m.
We hung it about 20 feet in the air. The center-hung from a ironwood
tree and the to ends were hung around coconut trees. Using Bungee Cords
and 8" Canopy/Tarp Ball Ties and paracord rope. Once the loops around
the coconut trees had tension, they were pushed up with a random bamboo
pole that had washed up with high tide.
This info is from N9SAB the maker of the Antenna.
80-6M 100W HF Ham Radio Antenna OCF Off-Center Fed Dipole
Integrated 4:1 matching transformer with a UHF SO239
his antenna requires a tuner.
The antenna is an 80 Meter half-wave dipole fed 1/3 of the 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 elements. The transformer uses
one (1) FT140-43 ferrite toroid. The result is a highly functional OCF
dipole for use on 80 through 6 meters.
Parts and connections have been weather proofed using marine-grade,
adhesive-lined double-walled polyolefin shrink tubing Weighs under 20oz.
(566 grams) 47 feet in length, the other approximately 83 feet It fits
easily into a pocket.
What is Winlink?
It works all over the world, all the time, and requires no
infrastructure other than that provided by amateur radio operators
themselves. As a result, many emergency planners see Winlink as a
crucial backup when all else has failed.
The Winlink has a large library of forms that allow hams to enter
information or transmit messages in the specific format needed by
whichever agencies are involved in a particular emergency event.
We invite you check out more info Hawaii ARES - https://hawaiiares.net
http://www.earchi.org/education/ Emergency Amateur Radio Club - Hawaii
would like to assist Oahu residents in obtaining or upgrading their FCC
Amateur Radio licenses.
An amateur radio operator is someone who uses equipment at an amateur
radio station to engage in two-way personal communications with other
amateur operators on radio frequencies assigned to the amateur radio
service. Amateur radio operators have been granted an amateur radio
license by a governmental regulatory authority after passing an
examination on applicable regulations, electronics, radio theory, and
radio operation. As a component of their license, amateur radio
operators are assigned a call sign that they use to identify themselves
during communication.
Amateur radio operators are also known as radio amateurs or hams. The
term "ham" is a nickname for amateur radio operators.