70cm eme

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70cm eme

23 links

Antennas : 70cm
  • DF9CY 11 Element for 432 MHz - A short good performing antenna for 70cm
    [ Hits: 1779 | Votes: 0 | Rating: 0 ]
  • 70 cm Moxon - 70cms Simple Moxon 2 elements antenna
    [ Hits: 3783 | Votes: 5 | Rating: 4.4 ]
  • Homebrew 6 Element Yagi for 70cm - A fun little project I did over a couple of days was making this little 6 element yagi for 70cm. There are so many designs and ways one can do this so after some reading of different designs and measurements
    [ Hits: 397 | Votes: 2 | Rating: 7.5 ]
  • Coaxial Collinear Antenna for 70 CM Band - This coaxial collinear antenna was built to test for my own consumption whether or not this antenna method actually works. the guiding principle is that we have multiple 1/4 wave elements fed in series , the radiation from each adds in phase to produce a large vertically polarised omni-directional antenna with substantial gain
    [ Hits: 565 | Votes: 3 | Rating: 6.33 ]
  • Cross-Yagi 10el Antenna for 70cm - 10 Elements Cross-Yagi Antenna for 433 MHz. The base of the 10el antenna is the recalculated RA6FOO antenna.Circular polarization is realized - by a phasing quarter-wave line, matching of horizontal and vertical polarization antennas
    [ Hits: 173 | Votes: 6 | Rating: 8.83 ]
Antennas : Lindenblad
  • 70 cm Lindenblad Antenna - The antenna is a vertical dipole, around which four parasitic elements are forming a circle.
    [ Hits: 1945 | Votes: 2 | Rating: 2.5 ]
  • Build a twin-lead Lindenblad Antenna for 70cm and 2m - This document contains the detailed instructions to build a homemade lindenblad antenna using a twin-lead as dipole elements. This document contains 9 pages and includes a detailed construction sequence and some drawings to build this antenna for UHF and VHF ham radio bands
    [ Hits: 1268 | Votes: 3 | Rating: 8.67 ]
Antennas : Quagi Antennas : Satellite
  • Dual Band Satellite Yagi - The antenna is a VHF side is a 2m moxon, tuned on 145.825 MHz. The driven element of the moxon couples to a driven element for a 5 element 70cms Yagi, tuned on 436.5 MHz.
    [ Hits: 1200 | Votes: 2 | Rating: 8.5 ]
Antennas : VHF UHF
  • VHF/UHF Yagi Antenna Design  pop - Design your VHF UHF Yagi antenna online, a JavaScript enhanced web page that implements the design of an antenna for 2m and 70cm bands. This page offers a streamlined experience for Yagi antenna design enthusiasts. It assumes prior knowledge of Yagi design principles, minimizing distractions with a user-friendly interface. Equipped with essential equations, it provides instant design feedback. Red font warnings indicate design limitations, ensuring practical results. Constraints include Gain (11.8-21.6 dBd) and Boom Length (2.2-39 wavelengths), with additional frequency-dependent restrictions noted in input fields.
    [ Hits: 147401 | Votes: 1105 | Rating: 6.95 ]
  • VHF/UHF Folded Diplole - This is a two element colinear design for vertically polarized radiation. It may be constructed for use on either 2m or 70cm
    [ Hits: 1139 | Votes: 0 | Rating: 0 ]
  • The Optimum 6 Element Yagi-Antenna - A 70cm and 2m 6 elements yagi antenna plan based on the IEEE Transactions on Antennas and Propagation
    [ Hits: 1422 | Votes: 2 | Rating: 4.5 ]
  • 13 elements VHF UHF Yagi - Yagi with 5 Elements on 2 m, 8 Elements on 70cm and one Feedpoint by DK7ZB
    [ Hits: 875 | Votes: 3 | Rating: 10 ]
  • 5 Element 2M / 70cm Yagi - On this page is the design for Dual Band 2M / 70cm antenna with 3.2mm elements. The antenna has a 50 ohm designed driver. This Yagi has a unique element called a Open Sleeve
    [ Hits: 1689 | Votes: 10 | Rating: 5.5 ]
  • Dual Band VHF UHF Yagi Antenna projects - On this page are designs for Dual Band 2M / 70cm antennas. All antennas are 50 ohm designed driver. These Yagis have a unique element called a Open Sleeve. 4 Element 5 element and 9 element Dual Band - 2M / 70cm antenna projects
    [ Hits: 752 | Votes: 4 | Rating: 5.75 ]
Antennas : Yagi
  • 14 Elements for 432 MHz - A 14 elemets yagi antenna for 432 MHz based on DK7ZB design
    [ Hits: 4007 | Votes: 8 | Rating: 4.25 ]
DX Resources : Newsletters Operating Modes : EME
  • Getting started on 70cm E.M.E flier - Get involved with 70cm Earth Moon Earth communications it is easier than you think, EME promotional Flier
    [ Hits: 383 | Votes: 1 | Rating: 1 ]
Technical Reference : Homebrew Technical Reference : Preamplifiers
  • 435 plus 1296MHz ATF54143 Pre-amplifier - The prototype for this amplifier was originally designed for 70cm and was used on the 2004 3B9C Dx-pedition to Rodriguez Island for satellite and EME. It had a noise figure of 0.49dB with an associated gain of 20dB.
    [ Hits: 333 | Votes: 0 | Rating: 0 ]

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