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Vine Antennas AS-HF-OCF-40-HP | High Power OCF

£149.95

Vine Antennas Product Page Banner HAM Radio Shop Amateur Radio Dealer Supplier Vine Antennas Amateur Radio Shops HAM Radio Dealer Supplier Retailer Second Hand Twelve Months Warranty, Amateur Radio Sales. HAM Radio Sales. HAM Radio Shop, HAM Radio Shops, Amateur Radio Dealers, HAM radio dealers UK. Icom, Kenwood, Yaesu, Hytera. HAM Radio Shops, Amateur Radio Shop, Icom, Hytera, Kenwood, Yaesu, Antennas, Antenna Tuners, Power Supplies, Coax, CB Radio, Scanners, Receivers, Short Wave, Barnsley, UK, Call 01226 361700, Yorkshire The HAM Radio Shop Amateur Radio Dealer Suppliers United Kingdom Two Way Radio Hire Two Way Radio Sales Repair Service Scanners CB Radio Receivers Short Wave Radio HAM Radio Shop Amateur Radio Dealer Supplier Vine Antennas Amateur Radio Shops HAM Radio Dealer Supplier Retailer Second Hand Twelve Months Warranty, Amateur Radio Sales. HAM Radio Sales. HAM Radio Shop, HAM Radio Shops, Amateur Radio Dealers, HAM radio dealers UK. Icom, Kenwood, Yaesu, Hytera. HAM Radio Shops, Amateur Radio Shop, Icom, Hytera, Kenwood, Yaesu, Antennas, Antenna Tuners, Power Supplies, Coax, CB Radio, Scanners, Receivers, Short Wave, Barnsley, UK, Call 01226 361700, Yorkshire The HAM Radio Shop Amateur Radio Dealer Suppliers United Kingdom Two Way Radio Hire Two Way Radio Sales Repair Service Scanners CB Radio Receivers Short Wave Radio

 

 

 

 

 

 

 

In stock

Description

Vine Antennas AS-HF-OCF-40-HP | High Power Off Centre Fed Dipole

 

OCF-HP-RIGHT Vine Antennas RST-BBB LAMCO Barnsley HAM Radio Shop Amateur Radio Dealer Supplier Vine Antennas Amateur Radio Shops HAM Radio Dealer Supplier Retailer Second Hand Twelve Months Warranty, Amateur Radio Sales. HAM Radio Sales. HAM Radio Shop, HAM Radio Shops, Amateur Radio Dealers, HAM radio dealers UK. Icom, Kenwood, Yaesu, Hytera. HAM Radio Shops, Amateur Radio Shop, Icom, Hytera, Kenwood, Yaesu, Antennas, Antenna Tuners, Power Supplies, Coax, CB Radio, Scanners, Receivers, Short Wave, Barnsley, UK, Call 01226 361700, Yorkshire The HAM Radio Shop Amateur Radio Dealer Suppliers United Kingdom Two Way Radio Hire Two Way Radio Sales Repair Service Scanners CB Radio Receivers Short Wave Radio

Vine Antennas AS-HF-OCF-40-HP

What’s an Off-Centre Fed Dipole?

A traditional Dipole is a half-wavelength radiator, fed in the Centre with two equal length legs, the Off-Centre-Fed Dipole is a Dipole whose feedpoint is at a point removed from the centre of the antenna.

A traditional dipole is fed in the centre with 50-ohm coax, or more correctly through a 1:1 balun, whereas the off-centre fed dipole is fed through a 4:1 balun.

Why Off-Centre Feed a Dipole?

By moving the feedpoint of the dipole from the centre to off-centre, we create a multi-band antenna with multiple resonant points. We also change the feedpoint impedance and therefore need a carefully designed balun to provide a match to 50 ohms.

A centre fed dipole is only resonant at one single frequency, the off-centre fed dipole is resonant on multiple frequencies.

Your AS-HF-OCF-40 has been tested for resonance and is resonant on the 40M, 20M, 15M and 10M amateur bands and needs no ATU.

The antenna also offers a reasonable match on the 12M, 17M and 30M amateur bands but must be used with an ATU

 

Specification

Bands:                                  80M, 40M, 20M, 15M, 10M
(without ATU)
30M, 17M, 12M
(with ATU)

Power:                                 1Kw pep Max

OCF 40

Overall Length 63′ 6″

Overall Length 19.3548m

 

 

 

 

 

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