7 element

170 links

Multiband Cubical Quads - EI7BA Multiband Cubical Quads projects, includes two elements quad antennas for 10 12 15 17 20 meters band. Performance considerations, detailed pictures and construction notes.
[ Hits: 7915 | Votes: 5 | Rating: 9.4 ]
Quad antenna for 10 and 15 Meters - Building guide for a two element quad antenna planned for 28 and 21 Megahertz
[ Hits: 5790 | Votes: 5 | Rating: 6.6 ]
A 5 elements Vee log-yagi for 10m - 5 elements "vee" log-yagi for 10m band- boom lenght : 4mt. Gain : over 10 dBd , f/b =over 40 db (deep null) f/b= min 20dB for different polarization signals
[ Hits: 4609 | Votes: 11 | Rating: 7.82 ]
5 Elements 28 MHz Monobander - A 5 elements yagi antenna for 10 meters band project, plane and picture of the EF105A by YU7EF
[ Hits: 4477 | Votes: 8 | Rating: 3.25 ]

4N1SM 5 elements yagi for 15 Meters - EF155A1 21 MHz monobander antenna by YU7EF
[ Hits: 1700 | Votes: 2 | Rating: 7 ]

3 Element yagi for 17 meters band - 17 Meter 3 element TA33 junior mono band yagi antenna conversion project by K6TC
[ Hits: 5973 | Votes: 2 | Rating: 5.5 ]

2-Element-Yagis for HF ^pop - 2-Element parasitic Yagis for the Shortwave-Bands 10-12-15-17-20-30m. The antennas are feeded with the DK7ZB-match. A quarter-wave choke of coax is grounded at the socket.
[ Hits: 50051 | Votes: 146 | Rating: 7.08 ]
3 Element Yagis Antennas for HF ^updated ^pop - All these plans use the DK7ZB match
[ Hits: 27604 | Votes: 69 | Rating: 4.94 ]

The 2-Element-HB9CV-Beam - The HB9CV-Beam is a 2-Element-Yagi with two driven elements and was introduced by Rudolf Baumgartner, HB9CV in the 1950ies. This beam antenna is a coax-feeded version of the ZL-Special construction by DK7ZB for 2m, 6m and 10m
[ Hits: 19716 | Votes: 407 | Rating: 7.56 ]

A 6m portable 4 element quad - This antenna is based on a design for a portable 2 element 6m Quad by VE7CA, which is featured in the 19th Edition of the ARRL Antenna Handbook
[ Hits: 6618 | Votes: 21 | Rating: 8.35 ]
6 Meter 3 Element Quad - Starting from an original project for a 2 element quad antenna for six meter band, ve7ca presents the dimensions for a 3 element version.
[ Hits: 9573 | Votes: 18 | Rating: 4.95 ]

Two portable antennas for 6-meter - VE7CA reprint an interesting article taken from arrl antenna compendium. Two elegant practical and portable 6-meter gain antennas, a two-element quad and a tree-element Yagi antenna for 50 Mhz-6 meter band
[ Hits: 4794 | Votes: 1 | Rating: 10 ]
WB7PMP 4 and 7 elements yagi for 50 Mhz - Original drawing and design of a 4 and 7 elements yagi antenna for 50 Mhz
[ Hits: 1615 | Votes: 6 | Rating: 4.83 ]
4 el yagi for 50 Mhz - The EF0604S is a compact 4 elements yagi antenna plan for six meters band featuring 8.77 dBi gain and a front back gain of 17.89 dB. Article includes elements dimensions and spacing, along to pictures of some homebrewed examples.
[ Hits: 3751 | Votes: 10 | Rating: 6.84 ]

HF multiband vertical Antenna - YF1AR multiband vertical antenna, based on orginal concept by VE7BS. Consist of 6 vertical elements and 6 base radials with a single 50 Ohm feed line.
[ Hits: 1542 | Votes: 4 | Rating: 3.25 ]
2-Element-DK7ZB-Quad for 5 Bands - 10-12-15-17-20m A description was in the German Ham-Magazine "Funkamateur" in Issue 11/2003
[ Hits: 14911 | Votes: 14 | Rating: 5.79 ]

A tri-band 2 element portable Yagi - HF Wire Yagi antenna with notes and eznec file on original article of a Portable 3-Band Yagi antenna for 10-15-20 meter band made with wire elements. Include link the original to QST article.
[ Hits: 15051 | Votes: 4 | Rating: 7 ]

Coaxial Traps for multiband antennas - A new perspective on the analysis and design of this popular antenna element. By Karl-Otto Muller, DG1MFT
[ Hits: 14642 | Votes: 8 | Rating: 5 ]

5 element yagi for 20 Meter band - Picture and construction details of a 5 element 20 meter monobander
[ Hits: 5418 | Votes: 9 | Rating: 5.33 ]

A low pass filter circuit - A simple 7 element, Chebyshev low pass filter, rolls of at 30MHz. Attenuation is better than -40dB at 60MHz, -65dB at 90MHz, -80dB at 120MHz.
[ Hits: 5303 | Votes: 21 | Rating: 6.1 ]