> Radio Antennas>HF 0-30 Mhz>Wire antenna>Wired delta loop multiband antenna SIGMA DELTA 20-HP 10m 17m and 20m
SIGMA DELTA 20HP multiband delta loop wired antenna for 10, 17 and 20m View larger

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SIGMA-DELTA20HP-2701

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United Kingdom

Wired delta loop multiband antenna SIGMA DELTA 20-HP 10m 17m and 20m

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The DELTA 20-HP is a full-wave loop designed to operate on 20 m (14 MHz) and 10 m (28 MHz) without a tuner and on 17 m with an external tuner.

There is a 4:1 balun at the feed point allowing it to be fed directly with 50 ohm coaxial.

The delta loop is supplied with three insulators to provide anchor points. It can be mounted flat (horizontally) in the form of a square loop or an equilateral triangle, or raised in a vertical or inclined position.

Supplied with: 1 DELTA HP-20 and a manual.

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84,93 € tax excl.

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   1 Item

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Manuel DELTA HP-20 (EN)

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Data sheet

  • Maximum power 400 W PEP (CW or SSB), 50-60W max. en FT8, AM ou RTTY
  • Maximum direct gain 3.2 dBd
  • Overall loop dimensions: 20.28m
  • Three equal sides 6.76 m
  • Four equal sides 5.07 m
  • Poly flex radiating wire
  • 4:1 feed point balun

IMPORTANT: Maximum power is indicated in PEP and is for amateur radio use in intermittent mode (CW or SSB) only.

Not suitable for AM broadcasting or constant carrier data modes (such as FT8 or RTTY) at high power (100W). For these modes, reduce power considerably (50W max recommended) to avoid overheating and damage to the balun. For full-power use in constant-carrier modes, opt for a QRO balun.

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