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Chameleon SKYLOOP - HF Base Antenna for 3.0 - 54 MHz
Chameleon SKYLOOP - HF Base Antenna for 3.0 - 54 MHz

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Base HF Antenna

3.0-54 MHz

The CHA SKYLOOP is a 250' (14 gauge) full wave loop antenna cut for 80M. A yard of at least 60' X 60' will be required to install and support the antenna properly.

With the help of an antenna tuner the CHA SKYLOOP will cover all the bands between 80M and 6M included.

To match the loop to the coax cable a high power 4:1 air core balun (1000W CW) has been inserted in a waterproof container at the feeding point of the antenna.

Even if the antenna can be installed at a minimum of 10' above ground the antenna should be ideally installed at least 30' to 40' off the ground for maximum performance. The antenna will be suspended by four evenly spaced support points.

The main advantages of a sky loop are the reduced background noise and a better gain over a dipole. A minimum coax length of 25' of RG-8X (or better) is recommended.

Installation & Performance

  • The skyloop can be attached to poles, trees, buildings and whatever is convenient. It is best of course to try to avoid running it with a leg parallel to nearby power lines.

  • The feed line should hang away from the antenna wire at as close to a 90 degree angle as possible to prevent coupling of the feed line to the antenna wire.

  • The skyloop is an efficient antenna omni-directional over most real earth and exhibits a good signal-to-noise ratio.

  • The antenna operates on all bands (harmonics) above the design or fundamental frequency.

  • Successful local and DX operation can be made when the antenna is elevated at least 20' above ground but the higher the better.

  • The larger the area or aperture inside the loop the better.

  • Usually the skyloop will perform about 80% to 90% better than a G5RV or dipole at the same elevation.

  • Occasionally a DX station might fall into one of the nulls (as frequency increases, a loop will have nice gain lobes but also corresponding sharp nulls).

  • The skyloop ignores a lot of both manmade and natural noise while still reaching out and grabbing RF signals effectively.

  • The gain of the skyloop at its fundamental frequency is approximately 1.8 dB over a dipole.


6M - 80M
Power: 1000W CW
RF Connection: PL-259
VSWR: Tuner required
Length: 250'
Weight: 3 Lbs.
Mounting Configuration: Horizontally

The antenna system consists of:

1 X CHA SKYLOOP matching unit
1 X 250’ wire

For much more information please click here to visit Chameleon Antennas Website!

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