DX vacation antenna ED HF3B

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  • EFD1000007
DX vacation antenna  3B for the 40, 20 and 15 m band Transmit / receive... more
Product information "DX vacation antenna ED HF3B"

DX vacation antenna  3B for the 40, 20 and 15 m band
Transmit / receive antenna   

Lightweight, unobtrusive, small, compact, ready to use and very effective is this complete antenna.

This multi-band/vacation antenna is the result of many different tests with different antenna shapes, styles, and connecting cables. On vacation or at portable operation often no separate power amplifier is available, therefore a particularly high reception performance and a good radiation of the transmitting power was demanded in the design of the antenna. With this antenna an ideal open dipole without electric compromises is available. No losses due to traps, balun, tuner, etc.

For changing the band no complex, large-scale and expensive antenna tuning device is required. Depending on the band the dipole is simply lengthened or shortened with the help of small plugs and sockets. In practice, the easy insertion or loosening of connections or unilateral lowering of the antenna has proven to be a welcome change in the operation of the station.

The attached 13.9 m long coaxial cable is dimensioned so that the station can be reached without problems.

 

Technical data:

Overall length 20.5 m (2x 10 m) Cu 0.5 mm, PVC isolated
Guy ropes polyester, 3 mm Ø, about 4 m long, each on a reel
Weight 750 g, with cable, guy ropes and bag
Load 150 W HF SSB / CW

Experience DX on the 3 bands

Frequency ranges, divided by color:

  • 40 m   (  7,0 - 7,15 MHz)    
  • 20 m   (14,0 - 14,5 MHz)
  • 15 m   (21,0 - 21,5 MHz)

Connection cable 50 ohms, 13,9 m RG58, 5 mm Ø black, permanently connected to the radiator.
Connection plug PL 259 or BNC UG 88
(please specify type when ordering)

Readily packed (for vacation) in practical, flat and lightweight case. Dimensions: ca. 33 x 25 x 4 cm. Hang up, connect = QRV immediately - without Tuner!

Set up tips:

This multi-band antenna works quite well at an installation height of about 2 m, so that the antenna does not have to be stretched extremely tightly. The setup type in V-, S- or roof shape, diagonally or parallel to the earth has no significant influence on the function or on the standing wave ratio. A distance to leaves or metal pieces of more than 20 cm is favorable. For quick band change one antenna guy should be mounted at head height. If the best VSWR at 40 m is for example in the range of 7.4 MHz, it can be shifted in the range of 7.05 MHz by extending the two antenna halves with the help of two simple pieces of wire of about 50 cm length.

With this multi-band antenna connections to any point on earth can be established, for this purpose transmission power levels between 10 - 150 watts are sufficient.

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Customer evaluation for "DX vacation antenna ED HF3B"
21 Oct 2014

kompakt und leicht

Als Urlaubsantenne ist sie perfekt.
Schnell aufgebaut. Wir waren in Südfrankreich(Haute Provence und Marseille) und ich habe hauptsächlich auf 40 und 20m abends gefunkt. Schöne DX-Verbindungen hatte ich und trotz Pile-Up gleich durchgekommen, das hat mich schon gewundert.
73 de andreas dl1xas

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