Search Results for "4 meter"772 links - and 9 categories
Antennas : 20M
- VK5BR 20-40 Metre EH Antennas
- How to construct a very small but efficient Antenna with PVC Plumbing tube and discarded fruit cans. - Just the thing to fit in a small space such as the house attic
[ Hits: 29628 | Votes: 13 | Rating: 7.84 ]
- Homebrew 20/40m Travel Antenna
- This is a low cost homebrew two band travel antenna for 20 and 40 meters. It is based on the B&W Travel Antenna concept with a telescoping whip and a loading coil
[ Hits: 15447 | Votes: 11 | Rating: 6.36 ]
- A Feasible Full Sized 40 Meter Beam
- This project started as a result of renewed interest in 40 meters coupled with the desire for an antenna system that would be more effective than the simple dipole.
[ Hits: 6950 | Votes: 1 | Rating: 1.00 ]
- The 40 meter Stealth Vertical
- Vertical antenna for 40 meters band
[ Hits: 65532 | Votes: 8 | Rating: 3.38 ]
- How To Make A Homebrew 4:1 Balun
- I built a homebrew 75 meter Double Extended Zepp Antenna, And I needed a 4:1 Balun So I decided to Homebrew the Balun also. Here is how I did it!
[ Hits: 84382 | Votes: 98 | Rating: 6.20 ]
- A Vertically Polarized Delta Loop for 40m
- Practical contruction and designing notes of a delta loop for the 40 meters band
[ Hits: 19177 | Votes: 15 | Rating: 3.28 ]
- The KE0VH EH antenna
- This Antenna for 20 meters was built by Bill, WA4KBD
[ Hits: 4063 | Votes: 2 | Rating: 10.00 ]
- 2 Meter J-pole from 450-Ohm Ladder Line
- Great first time J-pole project. Covers most of the basics. This small and thin design also makes it good for several stealth applications.
[ Hits: 41708 | Votes: 45 | Rating: 7.18 ]
- J-Pole, tunable
- An adjustable VSWR, 2 meter J-Pole
[ Hits: 6078 | Votes: 5 | Rating: 3.00 ]
- A J-Pole for 2-meters and 70-cm
- An Easy Dual-Band VHF/UHF vertical Antenna made with a TV twin lead and coax cable
[ Hits: 93570 | Votes: 101 | Rating: 6.23 ]
- Moxon Rectangle Calculator
- Program to calculate the dimentions of a Moxon Rectangle.
All equations correlated to NEC antenna modeling software for wire diameters from 1e-5 to 1e-2 wavelengths.
[ Hits: 5354 | Votes: 19 | Rating: 5.72 ]
- 6 Meter Moxom
- Download a 6 meter moxon antenna, drawings, photos, plots by Allen Baker KG4JJH, (10 Mb!)
[ Hits: 3469 | Votes: 7 | Rating: 3.43 ]
- OH7SV Matti Hohtola Ham Projects
- The most modern QRP transceiver in 2004,Direct Conversion HF Transceiver with DDS LO,
50 ohm to 200 ohm HF wide band transformers,
Wilkinson splitter for RX measurements,
Windom baluns 2001/2004,
Ferrite rod antenna for 80 meter, Magnetic Loop Antenna for 80 m, Mascot Switched PSU 9320 modification to 8A peak current, 150W MOSFET linear amplifier for 80m, 80 m HF SSB/CW Transceiver
[ Hits: 19271 | Votes: 27 | Rating: 8.04 ]
- Lima Radio
- Group website of 11 meter group Lima Radio
[ Hits: 870 | Votes: 5 | Rating: 2.60 ]
- Hams for Christ Net
- Fellowship of Christian Amateurs meeting M-F on 40 meters
[ Hits: 876 | Votes: 6 | Rating: 7.67 ]
- KB9VBR J-Pole Antennas
- All copper J-Pole antennas for sale. 6 meter, 2 meter, 222 MHz, 440 MHz, LPFM, Marine, GMRS. Includes a construction plan in pdf format if you wish to build your own antenna.
[ Hits: 6199 | Votes: 8 | Rating: 6.25 ]
- Some good ideas for a big Delta Loop antenna
- A 3 element DELTA LOOP on 20 meter, 4 on 15 and 5 on 10: my new beam (Just some good ideas)
[ Hits: 7498 | Votes: 1 | Rating: 10.00 ]
- 144 MHz preamplifier with BF981
- Design of a preamplifier for 144 MHz with 1 dB NF and 23 dB gain using BF981. This amplifier is using a low cost silicon MOSFET (BF981 from Philips) to give more than 20 dB gain with around 1 dB noise figure on 2 meter.
[ Hits: 16626 | Votes: 27 | Rating: 6.00 ]
- Motorola Micor Highband Preamp
- Make 150.8 - 174 Mcs. RF Preamp properly tune the Two Meter ham band.
[ Hits: 1825 | Votes: 1 | Rating: 10.00 ]
- GaAs FET preamps
- Build a good GaAs FET preamp for 2 meters, 222 or 440 Mhz
[ Hits: 8674 | Votes: 3 | Rating: 7.00 ]
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