10/(15)/20/40/80 End fed antenna kit 250 Watt including 1:49 impedance transformer

 43,50 59,00 Incl. VAT

10/(15)/20/40/80 meter band end fed Antenna kit, including 250 Watt 1:49 impedance transformer, Wire of your choice, DIY kit

Click here for a detailed building description

This kit contains all parts to make a 10/(15)/20/40/80 meter band end fed antenna.

With a handy fixing plate for the toroid, so no longer necessary for gluing.

Total length approx. 23 meters.

See the complete parts list and details about the antenna wire at the bottom of the page in the product description section.

Select your antenna wire below!

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Description

10/(15)/20/40/80 End fed antenna kit, including 250 Watt 1:49 impedance transformer, wire of your choice, DIY kit

A big advantage of the 10/(15)/20/40/80 End fed Antenna Kit 250 watts is of course the simplicity, especially for field work this is a huge advantage. The 10/(15)/20/40/80 End fed Antenna Kit has a total length of approx. 23 meters. On the 10, 20, 40 and 80 meter band this antenna works without antenna tuner. An antenna tuner is required for the 15 meter band. The antenna has a limited bandwidth on the 80 meter band because the antenna is shortened for this band. The 10/(15)/20/40/80 End fed Antenna Kit has a total length of approx. 23 meters. From the feed point first 20.4 meter antenna wire then a coil of approximately 110 uH and then another +/- 2.5 meters wire.

The feed point of the 10/(15)/20/40/80 end fed antenna kit is a broadband impedance transformer. This means that the end fed wire antenna, which has a very high impedance of around 2500 Ohm, is transformed to an impedance of 50 Ohm.

Click here for a detailed building description

This End Fed antenna comes with antenna wire of choice:

Experimental Wire: This wire consists of 1.0 mm2 braided copper wire with a UV resistant black shield. The total diameter is about 2 mm. Perfect for experiments or holiday antennas. Because the core only consists of copper, this wire will stretch over time and continue to stretch. The tensile strength of this wire is therefore also limited.

Copper/Kevlar Wire: This antenna wire is produced especially for HF Kits local in the Netherlands. The wire consists of a Kevlar core with around 1.1 mm2 tinned copper braiding. 1x 0,4 mm Kevlar en 24x 0,25 mm copper. The insulator consists of black UV resistant PE. The total diameter is about 2.5 mm. Tension force approx. 50 kg. In this way a strong, flexible and relatively light wire is obtained.

Copper/Stainless steel Wire: This antenna Wire is produced especially for HF Kits local in the Netherlands. The wire consists of a stainless steel core (7x 0, 35mm) with around 1.0 mm2 tinned copper braid. 7x 0.3 mm stainless steel and 14x 0.3 mm thinned copper. The insulator consists of black UV resistant PE. The total diameter is about 2.5 mm. Tension force approx. 100 kg. This is a robust antenna wire with a very long life span. As far as we are concerned, this is the best choice for permanently placed antennas.

This 10/(15)/20/40/80 End fed Antenna Kit 250 Watts contains:

Antenna:

  • 24 meter antenna wire of your choice
  • 19 mm PVC Pipe for coil
  • 11 meter 0.5 mm winding wire for the coil
  • 25 mm heat shrink sleeve for coil insulation
  • 2x Stainless Steel Cable Clamp
  • 1x End Isolator
  • 1x Cable lug 5mm
  • 1x Heat shrink sleeve for cable lug

1:49 Impedance transformer:

  • IP65 enclosure 100 x 100 x 55 mm
  • Toroid Amidon FT240-43
  • Winding Wire 1.0 mm
  • 100 pF Capacitor 2kV
  • PL 259 Chassis
  • Toroid mounting plate
  • Cable ties 8x
  • Stainless steel M3 6mm screws 4x
  • Stainless steel M3 Spring washer 4x
  • M3 Cable lug
  • M5 Cable Shoe 2x
  • Stainless steel (A4) M6 strain relief
  • Stainless Steel M6 Nut
  • Stainless Steel M6 washer
  • Stainless steel M6 Spring washer
  • Stainless steel M5 Bolt 25mm 2x
  • Stainless steel M5 Wing nut 2x
  • Stainless Steel M5 Nut 4x
  • Stainless Steel M5 washer 4x
  • Stainless steel M5 spring washer 4x
  • Stainless steel M5 spring washer 4x
  • Stainless steel M3 Bolt 12mm 4x
  • Stainless Steel M3 Nut 4x
  • Stainless Steel M3 Washer 4x
  • Stainless steel M3 tooth washer 4x

Tips:

  • As much as possible, Hang the antenna free from interfering elements
  • This antenna can also be used as a sloper.
  • In case of common mode issues, use a common mode choke. Do not place this choke directly at the feed point of the antenna.

Additional information

Antenna Wire

Experimental Wire, Copper/Kevlar Wire, Copper/Stainless steel Wire

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