COBWEBB ANTENNA PDF

COBWEBB ANTENNA PDF

COBWEB,HF,1/2W,8-BD,6,10,12,15,17,20,30,40M,KW . MFJ Cobweb Antenna turns your space problem into a stack of QSL cards from far away places . Ideal HF Antenna. Efficient. Transmitter power gets converted to RF, not to heating the ground, coax, or matching network components. G3TPW CobWebb Antenna for the 14, 18, 21, 24 and 28 MHz Bands All the other small multi-band commercial antennas that are available are less than.

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CobWeb Aerial

Up and running in a few hours. The wires are coated with a UV resistent coat. The weight of the Cobweb is just 4. End 2 is the one you connect to the SO socket.

MFJ Enterprises Inc.

The item you’ve selected wasn’t added to your basket. Our 1 priority is you, the radio Operator. Add to Watch list Watching Watch list is full.

I chose black as most of antennx CobWeb would be sitting just about the roof-tiles. This makes mine cm square.

The wire tension keeps the whole assembly in place; this arrangement allows the antenna to be assembled and broken down very quickly. Email to friends Share on Facebook – opens in a new window or tab Share on Twitter – opens in a new window or tab Share on Pinterest – opens in a new window or tab.

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Immediate payment required for this item. Fully assembled, soldered, boxed, sealed and with optional dipole wires which will need pruning for resonance. We may receive commission if your application for credit is successful.

Postage cost can’t be calculated. Click on the photos on the right for enlarged pictures, and see the bottom of this page for more construction details.

The Cobweb antenna is a antenna which is easy ccobwebb fast to install for portable operations, designed by G3TPW. Easy to set up works well X Previous image. The mounting consist of 2 aluminium plates 0. Feedback on mcr from others who bought this item.

A BRAND NEW COBWEB ANTENNA TWIN WIRE CUSTOM BUILT AND 20 METERS | eBay

Use a couple of plastic tie-wraps to hold the coax to the core at each end. The dimensions shown next to each wire are the distances from the outer-end of the PVC tube. Please allow additional time if international delivery is subject to customs processing.

Learn More – opens in a new window ckbwebb tab Any international postage is paid in part to Pitney Bowes Inc. The only drawback with the G3TXQ single-wire version is having to make-up the 1: A complete balun solution is also available: A 66″ length of 0. Accepted, Eligibility for PayPal Credit is determined at checkout. The height whilst on-test was 10ft, about 4ft under my dipole and the comparison test was quite favourable.

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Buy cobebb now – Add to Watch list Added to your Watch list. None Parcelforce Global Value. Antdnna folded dipole page on this web site looks in depth at the postioning of the shorting link. Seller assumes all responsibility for this listing. This raises the feedpoint impedance by a factor of 4 and provides a good match to 50 ohm feedline; the feedline is usually coiled to form an air-cored common-mode choke close to the feedpoint.

EAntenna Cobweb

Learn More – opens in a new window or tab International postage and import charges paid to Pitney Bowes Inc. There are 2 items available. Mounting The mounting consist of 2 aluminium plates 0. Lay the two coaxes alongside one another and connect centre-to centre and braid-to-braid at each end.

Please note that the SWR is referenced to the coax connector on the balun box; in practice the SWR bandwidth will be better than that shown because of losses in the feedline.