Ham Radio Antenna

7 BAND HF COBWEB ANTENNA 3 kW transformer 14,18,21,24,28,50,70 SO239

7 BAND HF COBWEB ANTENNA 3 kW transformer 14,18,21,24,28,50,70 SO239
7 BAND HF COBWEB ANTENNA 3 kW transformer 14,18,21,24,28,50,70 SO239
7 BAND HF COBWEB ANTENNA 3 kW transformer 14,18,21,24,28,50,70 SO239
7 BAND HF COBWEB ANTENNA 3 kW transformer 14,18,21,24,28,50,70 SO239
7 BAND HF COBWEB ANTENNA 3 kW transformer 14,18,21,24,28,50,70 SO239
7 BAND HF COBWEB ANTENNA 3 kW transformer 14,18,21,24,28,50,70 SO239

7 BAND HF COBWEB ANTENNA 3 kW transformer 14,18,21,24,28,50,70 SO239
Multiband Cobweb antenna with 3 kW power transformer , Works 7 HF bands. Bands are 14,18,21,24,28,50,70 MHz. Built and modified by me for friends from the radio. Antenna sides of the square 2,65x2,65 m. Useful where space is limited. The antenna can be installed as a base as well as portable for holiday trips. Unique design quickly and easily, with just a few minutes to be ready to work on the radio.

Its design is very strong and robust resistant to strong winds (110 kmh). The material used for the construction of. This glass fiber rods, aluminum, stainless steel and galvanized steel. Sealed box resistant to rain and UV rays. In the forests is installed balun.

The antenna works well on DX and as a QRP station. It is pre-tuned to different bands at the height of 4 metres above the ground.

To widen the bands 6 and 10 m is useful box ATU. Radiation antenna is omni-directionally so you do not need a rotator. It is a half-wave dipoles 14,18,21,24,28,50,70 MHz.

In horizontal polarization resistant to electrical interference and static. Large system efficiency to 95%. The antenna is pre-tuned a little lower to cover FT8 and low SSB.

If you do not need a 10m band when it is not in use, you can tune it to CB band (27 555). See the illustrative photo of the antenna's operating width on each band.

3000 Watt (balun RG-400 silver-plated teflon coaxial cable). Antenna gain on all bands 5 dBd (7.15 dBi). Minimum SWR 1.1: 1. Mast holder up to a diameter - 53 mm. Side of the square is 2.6 m.

The item "7 BAND HF COBWEB ANTENNA 3 kW transformer 14,18,21,24,28,50,70 SO239" is in sale since Friday, April 23, 2021. This item is in the category "Handys & Kommunikation\Funktechnik\Antennen\Amateurfunkantennen". The seller is "awk_antennas" and is located in Koszalin. This item can be shipped to all countries in Europe, Japan, United States, Canada.

  • Frequenzband: HF
  • Marke: AWK
  • Gewicht: 4,5
  • Modell: Cobweb7
  • Material: Glasfaser
  • Markenkompatibilität: Universal
  • Anzahl der Eingänge: 1
  • Herstellergarantie: Benutzerdefiniert: Siehe Artikelbeschreibung
  • Produktart: Antenne
  • Richtcharakteristik: Omnidirektional
  • Anzahl der Ausgänge: 1
  • Herstellungsland und -region: Polen
  • Größe: 2,6m
  • Herstellungsjahr: 2021
  • Produktkompatibilität: Universal


7 BAND HF COBWEB ANTENNA 3 kW transformer 14,18,21,24,28,50,70 SO239