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Antennas
2 Stack Match Yagi Antenna
- Solves antenna matching problem with two phased antennas.
Stacked rotary beams are popular. However, connecting two 50 Ohm antennas together presents some problems.
KG4JJH Moxon Antennas
- A Moxon rectangle antenna projects for the 6 10 15 17 and 20 meter band but include drawings, plans, statistics and homebrewing statistics.
Slim Jim Antenna
- Slim Jim 2 meter omni directional vertical antenna
4 Element Yagi Project for 144MHz
- A homebrew project for a 2 meter 4 element yagi beam antenna by 2E0HTS
Quadrifilar Helix Antenna
- Quadrifilar Helix Antenna for the 2m band. Using cooper pipe and PVC pipes by KI6YRD
20 elements 432MHz LFA Yagi
Priority listing
- A0 element super low-noise simple to build Yagi for 70cms. Uses 1/4 inch and 12 inch tube/rod
26 elelements 432MHz LFA Yagi
- 26 elements 70cms Yagi for EME ultra low noise excellent G/T figure. Easy self build
30 el 432MHz LFA Yagi
Priority listing
- 30 elements 432MHz LFA Yagi over 44dB F/B and almost 21dBi forward gain. Easy build, no match required.
An intro to OWA Quad's
Priority listing
- An introduction to OWA (Optimised wideband array) 50Ohm direct feed Quad beam antennas
WB2HOL Foxhunting beam
- Building the WB2HOL foxhunting beam antenna
Handi-tenna 440 Beam Antenna
- KG4IHJ 4 elements handitenna for 70 cm
The Versatile Vee Beam
- An aerial that you can use on all eight High
Frequency amateur bands (80, 40, 30, 20, 17, 15, 12 and 10m) with an antenna tuner, and which gives significant gain on the five bands from 20 m to 10 m
Homebrew beams with gamma match
- Homebrew forum at eham.net article on antenna gamma match feed
Duoband DK7ZB-Yagis 2m and 70cm
- These Yagis cover the range of 144-146MHz on 2m and 430-440MHz on 70cm. They can be used for alle modes (FM and SSB/CW). On both bands the SWR is good across the whole band.
The Optimum 6 Element Yagi-Antenna
- A 70cm and 2m 6 elements yagi antenna plan based on the IEEE Transactions on Antennas and Propagation
432 MHz Antenna comparison chart
- An extensive comparison chart for 70 cm antenna designs elaborated by DF9CY
Wire Beams
- A family of wire beams by G3TXQ
T32VI T32MI T32CI T32SI
- Online Log and dx info for Southern Line Islands DXpedition 2010
History of Ham Radio in India
- Taken from: Brief History of Amateur Radio in Calcutta-by Avinash Missra, VU2EM
Mecca Industry Co. Towers
- Crank-up(telescopic) and tilt-over tower, Ring rotator for mounting an extra antenna, from 16m to 42m, Strong safe and smooth, Radio communication and commercial tower.
ATV 432 MHz transmitter
- ATV 432 MHz AM transmitter schematic
A 2.3GHz to 432MHz receiver converter
- Receiver converter that can be plugged to the backside of the Yaesu FT-817 battery powered portable transceiver
2m and 6m Power Amp
- Duoband PA for 6m and 2m by T92T abd YU1AW schematic
VHF Power amplifier for 6m and 2m
- YU1AW power amplifier schematic for 50 MHz and 144 MHz made with 1xGI7V
2M to 10M receive converter
- EI9GQ 144 to 28 MHz converter

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