40 meter Delta Loop Antennas
Delta Loop antenna projects for 7 MHz
Delta loop antennas are a popular choice for hams operating on the 40-meter band, offering good performance for DX and local QSOs. These full-wave loops can be configured in various shapes, often as an inverted triangle, and can be built as monoband antennas or designed for multi-band operation across several HF bands. Their construction can range from simple wire designs to more robust aluminum tubing, making them adaptable for different station setups and space constraints.
Operators often share their antenna projects, detailing dimensions, construction methods, and performance analysis, sometimes including EZNEC reports. Many designs focus on single-band 40-meter operation, while others cover multiple bands like 40, 20, and 10 meters. You can find examples of both single-element and multi-element arrays, such as the K4TX Delta Loop, with some projects even exploring compact or loaded designs for smaller lots. These resources provide practical guidance for hams looking to homebrew an effective 40-meter delta loop.
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A multi band inverted delta loop antenna project that can be used from 40 to 10 meters band with full details and analysis of antenna performances on each band, document includes EZNec reports and setup pictures -
A multi band delta loop antenna that work on 20 and 40 meters band, that can be used either on 15 meters with poor performances -
A delta loop antenna project for the 40 meters band, include dimensions 80 meters band, with construction details, schematic and tuning instructions -
A youtube video of a Short Delta Loop antenna, only 8,5 meters per side. This project use a loading coil of 56,7 uH for electrical matching. -
40 meters band Delta loop antenna plan that is vertically polarised -
A delta loop wire antenna plan for the 7 MHz band (40 meters) that is quick to setup and work with -
Building a 40m (7MHz) horizontal delta loop wire antenna in the backyard that is easy and quick to setup -
An inverted triangle Delta Loop Antenna for the 40 meter band made with aluminium pipes, each element is 14,2 meters including a home made aluminium mount. -
A monoband delta loop antenna for the 7 MHz. This vertically polarized DX Antenna is a full wavelength sngle side antenna and has a total length of 42.3 meters (137,1 inch) Can be easily setup with a flag pole or fishing pole as center top mast. For optimal performance lower side should be at 2 meter above the ground. This antenna offers a low radiation angle and 1 DB Gain. -
Antenna experiment a Delta loop antenna for 7 Mhz band -
Antenna experiment - Delta Loop for 7 Mhz band by AG1LE -
The document discusses a two-element parasitic Delta-Loop array for the 40 meters band, aimed at radio amateurs interested in antenna projects. It provides detailed plans and instructions for building a homemade Delta-Loop antenna. -
An homebrew project of a full wave delta loop antenna for the 40 meters band with dimensione, picture and assembling instructions in Indonesian -
40 Meter 2 Element Parasitic Delta Loop wire antenna with pictures of delta loop assembling -
A 2 element 40 meters band parasitic delta loop antenna project with pictures and details -
ZZ Wave Net is a 40 & 80 meter full wave loop designed to fit on a city lot. ZZ Antenna is a folded dipole bent into an inverted V loop -
An experimento of a 40 meter delta loop antenna both in horizontal and vertical polarization and several elevation angles with interesting notes about the effect of the radial field under the antenna. -
This wire antenna for 40 and 20 meter band feature a good SWR. Horizontal side of the antenna is placed at two meters above the ground. Impedance of the antenna are depending by the height of the base from the ground and conditions of the ground