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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Add cibwebb Watch list Watching. Back to home page. Due to the square arrangement of the dipoles the overall size is very small, just by cm.

CobWeb Aerial

Subject to credit approval. The Cobweb is the solution, Great antenna for small places! Mounting The mounting consist of 2 aluminium plates anhenna. Customer specific antennas telescope antennas etc. End 1 is inner-to-inner and outer-to-outer ie: Up and running in a few hours.

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Our 1 priority is you, the radio Operator. The main part of the CobWeb is the mounting-plate that holds the crossover poles and boom arm.

The inner ‘X’ of the support structure comprises antenma 34″ lengths of 0. A brand-new, unused, unopened and undamaged item in original retail packaging where packaging is applicable.

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

This antemna mine cm square. Please enter a number less than or equal to 2. This amount is subject to change until you make payment.

This means that you can move the position of them quite easily if you need to make changes. Once the balun has been trimmed and soldered in place, I pour casting resin into the box giving it a water-tight seal. Please enter a valid postcode. The wires are coated with a UV resistent coat. Frequently bought together Feedback on our suggestions – Frequently bought together.

EAntenna Cobweb

Quite acceptable for the average transceiver. The dimensions shown next to each wire are the distances from the outer-end of the PVC tube. Here’s a SWR plot measured at 25ft above ground.

The commercial CobWebb antenna marketed by Steve Webb G3TPW – and most of the home-made derivitives – overcome this problem by using folded-dipoles constructed from Figure-8 twin lead as the elements. The wire tension keeps the whole assembly in place; this arrangement allows the antenna to be assembled and broken down very quickly.

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CobWeb Aerial | M∅PZT

None Parcelforce Global Value. The turn radius is a very compact 6. Dobwebb complete balun solution is also available: The wires are terminated in solder tags which fit over 4mm bolts screwed through the terminal box. End 2 is inner-to-outer which leaves you with an inner and outer. For additional information, see the Global Shipping Programme terms and conditions – opens in a new window or tab.