Sigma Eurocomms
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Sigma Euro-Comm Limited
Proudly family-run since 1990, Sigma Euro-Comm is a UK-based manufacturer specialising in high-performance CB antennas. With over three decades of hands-on experience, we design, engineer, and build every antenna at our dedicated factory in the heart of Birmingham. Our commitment to quality, precision, and customer satisfaction has earned us a trusted reputation across the industry. At Sigma, we don't just make antennas - we craft reliable communication tools built to perform, built to last. When you choose Sigma, you're not just buying a product. You're investing in British-made quality, decades of expertise, and the kind of personal service only a family business can deliver
SIGMA EURO-COMM DELTA - 15 HP Full Wave Loop HF Antenna/ Aerial
Trusted Seller
Free UK Delivery - On selected Products
Over 30 Years Experience - est 1990
Description

The Sigma Euro-Comm DELTA- 15 HP

Full Wave Loop Antenna Wire Antenna


The DELTA-15HP is a full wave loop designed to operate on 15m (21MHz), 12m (24MHz) and 6m (70MHz) without an ATU and other bands

(20m, 17m and 10m) with an ATU.

There is a 4:1 balun at the feedpoint enabling it to be fed directly with 50 ohm coax - RG-213 or Mini 8 is probably the best but other variations of coax may

be used so long as they are of a 50ohm impedance.

The loop comes complete with three insulators to provide anchor points.  It may be mounted flat (horizontal) or raised to a vertical or near vertical position.

It may be configured as either a square loop (Quad) or equilateral triangle (Delta).

FULL WAVE DELTA LOOP.  Configured as a delta loop or equilateral triangle, if laid flat will be good for near DX.  If vertical, or near vertical

will provide low angle radiation which is good for long range DX in the direction of the loop (looking straight on at the front) and near DX off the sides.  Gain 3.2dBd.

 

FULL WAVE QUAD LOOP If laid horizontally will be good for NVIS, if vertical 2.8dBd gain.  Sloping at 45 degrees will provide low angle DX.


The power rating is for intermittent amateur (400W CW or 500W SSB) use and not for AM broadcast or constant carrier data modes.  For AM broadcast a much higher power BALUN is required."


Delta Loop Specifications

Max Power 400W CW, 500W PEP

Forward Gain 3.2 dBd max

Dimensions of overall loop 13.60m

Three equal sides 4.53m

Four equal sides 3.4m

Radiating wire Poly flex weave non kink

Feed Point Balun 4:1 HP



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SIGMA EURO-COMM DELTA - 15 HP Full Wave Loop HF Antenna/ Aerial

The Sigma Euro-Comm DELTA- 15 HP

Full Wave Loop Antenna Wire Antenna


The DELTA-15HP is a full wave loop designed to operate on 15m (21MHz), 12m (24MHz) and 6m (70MHz) without an ATU and other bands

(20m, 17m and 10m) with an ATU.

There is a 4:1 balun at the feedpoint enabling it to be fed directly with 50 ohm coax - RG-213 or Mini 8 is probably the best but other variations of coax may

be used so long as they are of a 50ohm impedance.

The loop comes complete with three insulators to provide anchor points.  It may be mounted flat (horizontal) or raised to a vertical or near vertical position.

It may be configured as either a square loop (Quad) or equilateral triangle (Delta).

FULL WAVE DELTA LOOP.  Configured as a delta loop or equilateral triangle, if laid flat will be good for near DX.  If vertical, or near vertical

will provide low angle radiation which is good for long range DX in the direction of the loop (looking straight on at the front) and near DX off the sides.  Gain 3.2dBd.

 

FULL WAVE QUAD LOOP If laid horizontally will be good for NVIS, if vertical 2.8dBd gain.  Sloping at 45 degrees will provide low angle DX.


The power rating is for intermittent amateur (400W CW or 500W SSB) use and not for AM broadcast or constant carrier data modes.  For AM broadcast a much higher power BALUN is required."


Delta Loop Specifications

Max Power 400W CW, 500W PEP

Forward Gain 3.2 dBd max

Dimensions of overall loop 13.60m

Three equal sides 4.53m

Four equal sides 3.4m

Radiating wire Poly flex weave non kink

Feed Point Balun 4:1 HP



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