17 meter
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Antennas : End-Fed- Multiband portable wire antennas
- Vertical end fed antenna used for portable operations. The antenna will work on 80 with acceptable results, it will work fine on 40m, and it will be a good deal better than a normal 1/4 wave GP on 20, 17, 15 meters.
[ Hits: 186 | Votes: 0 | Rating: 0 ]
- Multi-Band 4 Foot Magnetic Loop with Gamma Match
- This antenna works on 17, 20, and 30 meters, with the best bandwidth on 20 meters. The bandwidth on 17 and 30 is quite small but usable. There is a 20 KHz bandwidth on 20 meters.
[ Hits: 136 | Votes: 2 | Rating: 10 ]
- Loop magnetic antenna for 80-160 meters band
- Jeri Ellsworthhas started a video series devoted to building a magnetic loop antenna for the 160- and 80-meter bands. The first video, included after the break, is an overview of the rationale behind a magnetic loop
[ Hits: 174 | Votes: 0 | Rating: 0 ]
- K1FM Mini Magnetic Loop
- Original HF magnetic loop antenna designed by the author to work in conjunction with QRP transceivers like the FT-817 in portable operations. In this configuration the loop can operate from 30 to 10 meters. Using a two spires radiator of the same diameter it also covers 40 meters.
[ Hits: 116 | Votes: 1 | Rating: 8 ]
- A simple Attic Antenna for HF bands
- This simple antenna was installed on the attic. Antenna was matched with help an Automatic ATU in 40, 30, 20, 17, 15, 12 and 10 meter amateur Bands. The Antenna worked satisfactory on the above mentioned bands.
[ Hits: 311 | Votes: 7 | Rating: 6 ]
- OK1WC Memorial MWC Contest
- A CW contest running every Monday, from 1630 UTC to 1729 UTC on 40 and 80 meters band
[ Hits: 107 | Votes: 2 | Rating: 10 ]
- NA4RR HexBeam
- NA4RR manufacture a six band hexagonal beam antenna for ham radio, covering 6, 10, 12, 15, 17, and 20 meter.
[ Hits: 156 | Votes: 0 | Rating: 0 ]
- A mobile radio installation
- Detailing a Yaesu FT-857 and ATAS-120 installation in a 1997 Toyota Tacoma, the author used Polar Plot to map signal strength. Using a hand truck with a laptop, FT-817, and an Iron Horse antenna, they circled a chalk-outlined 100-foot diameter, revealing potential nulls towards the truck's rear and through the cab, offering insights into antenna performance.
[ Hits: 43 | Votes: 1 | Rating: 3 ]
- The FT-817 Calibration Menu
- One of the interesting features of the FT-817 is that many of the conventional calibration settings that would have, in the past, been done using manual adjustments of coils, capacitors, and potentiometers, are done via software.
[ Hits: 128 | Votes: 0 | Rating: 0 ]
- Power and VSWR Indication on the FT-817
- Reflected power and VSWR Metering on Yaesu FT-817, and proper interpretation of real values. The power output meter it is a relative indicator of the antenna match that the radio is experiencing. Reference table and how correctly read the values of the Yaesu internal meter.
[ Hits: 147 | Votes: 0 | Rating: 0 ]
- Yaesu FT-817 Audio Enhancement: Heathkit-inspired Homebrew Project
- Inspired by Heathkit, author aimed to enhance his Yaesu FT-817 with audio and RF processing. Design goals included a compact enclosure, PCB simplicity, matching jacks, a visual meter, and a built-in signal generator. Despite challenges in finding a suitable compressor IC for a 5V DC mic jack, he chose the Analog Devices SSM2165/2166 series. Prototyping with a solderless breadboard, author planned a PCB layout for its versatile performance in communication use.
[ Hits: 80 | Votes: 1 | Rating: 2 ]
- 17 meter QRP Transmitter
- 1-watt 17-meter cw transmitter that was originally done about 10 years ago as a club project for RAMS, the Radio Amateur Megacycle Society. It uses a VXO, rather novel at the time. It also uses a bandpass filter at the output rather than the usual lowpass
[ Hits: 122 | Votes: 0 | Rating: 0 ]
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