HF END-FEDZ

The Par End-Fedz are a full length half wave dipoles, but with an important difference. The coax connector is at one end of the dipole, where it is most needed. These antennas can be mounted horizontally, vertically or as a sloper. No ground plane or counterpoise is needed. Portable operation could not be easier. Simply hang the far end from a tree limb–the coax is at the bottom. Hang it up in a hotel window or string it up in the attic. End insulators are supplied making suspension easy.

The UV resistant ABS plastic housing encloses an efficient matching network allowing the antenna to be fed with common 50 ohm coaxial cable. All hardware is stainless and the SO-239 connector is silver/teflon. The radiator wire is custom made for us in 21 mile runs. It is a #18 gauge stranded copperweld with a tough polyethylene jacket. Breaking strength is 200# and, unlike the vinyl jacket found on the vast majority of antenna wire, the polyethylene jacket is 100% UV stable, very tough and slippery - almost like Teflon®. One end comes with a #10 solder lug making attachment to the matchbox simple and allowing the radiator portion to be replaced if ever necessary. Power rating is a conservative 100 watts. Lightweight (the 20 meter version is only 0.5 pounds), they are ideal for portable work. The all black construction makes them difficult to see.

Read the End-Fedz FAQ page.

EHAM Reviews:
http://www.eham.net/reviews/detail/3632
http://www.eham.net/reviews/detail/5105

END-FEDZ MODELS
MODEL BAND 1.5: VSWR LENGTH POWER HANDLING
EF-40 40M 225kHz@2.1 66' 200W
EF-30 30M 1.5 : 1 45' 200W
EF-10/20/40 10M/20M/40M 500/300/100kHz@2.1 40' 25W
EF-20H 20M 300kHz 33' 300W
EF-20 20M 300kHz 33' 100W
EF-17H 17M 350kHz 28' 300W
EF-17 17M 350kHz 28' 100W
EF-15H 15M 400kHz 22' 300W
EF-15 15M 400kHz 22' 100W
EF-12H 12M 500kHz 15.5' 300W
EF-12 12M 500kHz 17.5' 100W
EF-10H 10M 600kHz 16.5' 300W
EF-10 10M 600kHz 16.5' 100W
EF-6 6M 1.2 9.2' 100W

END-FEDZ SPECS
POWER HANDLING 100W
CONNECTOR TYPE SILVER/TEFLON SO-239
RADIATOR CUSTOM #18 STRANDED COPPERCLAD
RADIATOR COATING BLACK POLYETHYLENE
HARDWARE STAINLESS STEEL
POLARITY DETERMINED BY USER


Custom machined self locking end insulator
 


 



EF-20

EF 10-20-40
EF-10-20-40


EF-40