high

560 links - and 3 categories

160 Meter short TX loop antenna - Here is a successful 160 Meter short TX loop antenna 4 feet high, 3 feet wide, and 6 inches deep.
[ Hits: 8385 | Votes: 4 | Rating: 5.25 ]

Using the half-square antenna for low bands - Can’t put up a really high horizontal antenna for 80-meter DXing? Maybe the vertically polarized Half-Square might be the antenna for you.
[ Hits: 3210 | Votes: 3 | Rating: 6.33 ]
K5LAD 80 meter antenna - A successful 80 meter antenna only 38 feet high on one end and 4 1/2 feet on the other
[ Hits: 783 | Votes: 0 | Rating: 0 ]

The DBJ-1 VHF-UHF Dual Band J-Pole - Searching for an inexpensive, high performance dual band base antenna for VHF and UHF ? Build a simple antenna that uses a single feed line for less than $10.
[ Hits: 6290 | Votes: 5 | Rating: 6 ]

Types of Coax in Satellite operations - Coax is a very important part of a satellite station. It is almost as important as the antennas you choose. This article discusses choosing coaxial cables for satellite communication, emphasizing factors like line loss. It compares types such as RG-8, RG-58, Belden 9913/9913F, LMR-400, and hardline, highlighting their impact on signal preservation.
[ Hits: 2397 | Votes: 1 | Rating: 9 ]

Small Tuned Loop AM Broadcast Antenna - Alan yates vk2zay's ham radio website, homebrew construction, general electronics, high voltage experiments, amateur rocketry, and general geek stuff
[ Hits: 1669 | Votes: 1 | Rating: 4 ]

X-Beam antennas - Two element X-Beam is a high-performance broad-band antenna that is ideal for Ham radio operators with limited space. X-Beams are inexpensive and easy to build. The performance of the simple X-beam is amazingly similar to larger, more conventional antennas by 4S7NR
[ Hits: 4041 | Votes: 11 | Rating: 7.46 ]

Corner reflector antenna - Do you need a high gain antenna? Have you suffered on picking up interference from unwanted direction? You need a directional antenna but a 12 element Yagi will be too attractive!
[ Hits: 1709 | Votes: 4 | Rating: 3.75 ]

Multi Band Antenna Traps - These devices are called Traps, but they are actually more like frequency sensitive switches. They are parallel resonant, high Q, tuned circuits which provide a very high impedance at their frequency of resonance.
[ Hits: 4851 | Votes: 3 | Rating: 6 ]

Z Match for High RF power - Based on VK5BR's Z-Match and designed for High RF Power covers 160 to 10 meters by VK6YSF
[ Hits: 4800 | Votes: 6 | Rating: 7.33 ]

D3 Antenna for Field Day - D3+ High Performance Antennas for Field Day. This article describes versatile broadband wire antennas. These antennas will double your effective radiated power over a dipole, will be easy and inexpensive to build and install, and will be simple to match.
[ Hits: 2644 | Votes: 7 | Rating: 4.86 ]

VKV zavody Contest site - These pages containing informations about contesting on 144MHz and higher bands. All informations are only in Czech language.
[ Hits: 315 | Votes: 2 | Rating: 9 ]

K8HO Highland ARA - The Highland Amateur Radio Association (HARA) centers itself in Hillsboro, Ohio.
[ Hits: 663 | Votes: 4 | Rating: 7.75 ]

European PSK Club - The European PSK Club, or EPC for short, is an informal club of amateur radio operators dedicated to maintaining high levels of amateur radio communications on PSK modes. Its purpose is to promote activity and good operating practice on the PSK modes on all amateur bands
[ Hits: 1088 | Votes: 1 | Rating: 10 ]

Web and ATV Camera Frauenstaffel - Webcameras, Frauenstaffel - Waidhofen - Austria, ATV-Webcam on a 150feet high radiotower.
[ Hits: 842 | Votes: 2 | Rating: 3.5 ]

QRPKits - Hendricks QRP Kits is a company that specializes in high quality, low cost QRP Kits
[ Hits: 6991 | Votes: 4 | Rating: 7.75 ]

Grig Radio Control ^pop - Grig is a freeware simple Ham Radio control (CAT) program based on the Ham Radio Control Libraries (Hamlib). It is intended to be highly generic presenting the user to the same graphical user interface regardless of which radio is being controlled. Grig supports the most commonly used CAT commands that are implemented by Hamlib, and integrates well with other ham radio programs like Xlog and gMFSK. Grig has been developed on Linux, but has been ported on Mac and Windows OS.
[ Hits: 26709 | Votes: 17 | Rating: 6.12 ]

BIP Electronics Lab Oscilloscope - Freeware windows oscilloscope uses the sound card's input to measure signals. This means that the quality of the scope depends on the quality of your sound card. The scope automatically uses the highest sample frequency available at the input that you select
[ Hits: 10066 | Votes: 16 | Rating: 5.5 ]

Audio processor for SSB transceiver - This circuit consists of microphone amplifier and a high pass filter. Suitable to improve signal readability.
[ Hits: 1447 | Votes: 1 | Rating: 1 ]

A low cost UHF/VHF duplexer - Duplexers for dual band radio are usually high pass filter and low pass filter combined in the same box. This circuit is a design within a cost of US$10.
[ Hits: 8615 | Votes: 16 | Rating: 5.88 ]