sw antennas78 links - and 1 categories
Antennas : 2M
- 2m VHF antennas with high gain
- 2m SSB/CW-12.5 Ohm Yagis with extrem high gain and small bandwidth.
These Yagis were constructed as ultra-light, portable Yagis with extrem high gain. They have small bandwidth and are working from 144,0-144,8MHz with good SWR.
[ Hits: 8060 | Votes: 9 | Rating: 7.23 ]
- WB6ZQZ 3 in 1 Balun
- Builing a triple ration balun, that match resonant antennas from 9 ohms to 75 ohms with 1.5:1 or less SWR
[ Hits: 6273 | Votes: 7 | Rating: 7 ]
- SWR: Maximum allowable VSWR
- VSWR (voltage-standing-wave-ratio) represents the degree with which an antenna is "matched" to the system impedance. Most modern antennas do not require any tuning for optimum performance. VSWR is one of the easiest parameters to measure and VSWR meters are becoming very popular antenna installation tools
[ Hits: 1143 | Votes: 3 | Rating: 3.33 ]
- Build An LF Antenna Analyzer
- A Portable Low Frequency Antenna Analyzer, For those of us who like to play with antennas on the ham bands, one of the handiest tools to have around the shack is an "antenna analyzer". These gadgets combine a signal generator and standing-wave ratio (SWR) sensor in a small battery-powered unit.
[ Hits: 4430 | Votes: 2 | Rating: 5 ]
- Antenna Feeders
- Different types of feeders, SWR and matching
[ Hits: 396 | Votes: 1 | Rating: 2 ]
- HF Antenna Switch
- The purpose of this remote antenna switch was to be able to select between four different antenna combinations The unit was designed to work at RF power levels of around 100 watts by G8JNJ
[ Hits: 828 | Votes: 0 | Rating: 0 ]
- Loop Antenna News and Information Forum
- This is the Loop Antenna Group to Ask Your Questions, Get Answers and Information about Loop Antennas for improved your Radio Listening and Enjoyment.
[ Hits: 1297 | Votes: 1 | Rating: 1 ]
- Magnetic Loop antennas
- Pictures, designs and answer to common questions on building magnetic loop antennas by ON4CEQ Van Herck
[ Hits: 1825 | Votes: 3 | Rating: 7.67 ]
- Antenna Tuning
- Tuning mobile and base antennas, measuring SWR.
[ Hits: 6416 | Votes: 3 | Rating: 5 ]
- Balcony antennas
- What is the best balcony antenna? what antenna would you recommend for use on typical hotel balcony?
Read some answers here
[ Hits: 9449 | Votes: 2 | Rating: 1.5 ]
- Antenna Selection Made Easy
- This page will help you answer important questions about antenna selection before you talk to a supplier. After reading this paper, you should be able to better determine the most important parameters you need to know for your antenna selection criteria.
[ Hits: 1926 | Votes: 2 | Rating: 3 ]
- Importance of noise reduction in wires antennas
- An old post by John Doty about effects of noise in longwire antenna.
[ Hits: 1554 | Votes: 0 | Rating: 0 ]
- W7AIA, Clark County Amateur Radio Club
- Clark county amateur radio club serving sw washington for 75 years! come find out how our local ham club offers programs that cover everything from the history of morse code and call signs to ham radio antennas
[ Hits: 422 | Votes: 2 | Rating: 9.5 ]
- SSB Electronic USA
- manufactures and distributes HF, VHF, UHF and SHF equipment covering 10MHz. - 47.0GHz. Our products include: Wireless LAN / WAN Bidirectional Linear Amplifiers, Low Noise Preamplifiers - LNA's, RF Linear Amplifiers, Relays, Transverter Systems, Frequency Translation Systems, Downconverters, Antennas, Parabolic Dishes, Coaxial Cable, Relays, Antenna Switches, Microwave Test equipment, PC controlled Receivers, Microwave Linear Amplifiers including models for Telemetry, Wireless, and CDMA applications.
[ Hits: 7807 | Votes: 6 | Rating: 6.33 ]
- Alpha Delta Communications
- Manufacturers and distributors of coaxial surge protectors, coaxial switches, insultators, HF fixed wire antennas
[ Hits: 2825 | Votes: 4 | Rating: 5.83 ]
- Antennas, base mobile scanner and vhf antenna, coax cables, coax switch, Lightning Arrestor, mounts, power supply, speakers and wattmeters
[ Hits: 5499 | Votes: 5 | Rating: 4.8 ]
- Getting Started in SW Listening
- Excellent and exaustive guide to shortwave listening offered by monitoringtimes, includes operating guides, technical suggestions, buying guieds, antennas implementations and more, all what is needed by shortwave listening beginners.
[ Hits: 4844 | Votes: 17 | Rating: 6.83 ]
- Meter Mate - SWR Graph Software
- Meter Mate is a companion utility for your directional watt meter that allows you to calculate the SWR reading when the forward and reflected power readings are measured. In addition to calculating the antenna system SWR Meter Mate will also plot the SWR curves of all of your antennas onto graphs that may be printed out.
[ Hits: 1748 | Votes: 11 | Rating: 5.26 ]
- Beverage antenna switch
- How could we share the Beverage antennas on more than one station using this homemade remote antenna switch, a project by TK5EP
[ Hits: 1515 | Votes: 1 | Rating: 10 ]
- AA5TB Antenna Coupler / SWR Bridge
- Wire antennas requires a special coupling network to properly couple my 50 ohm coax to the antenna's high impedance (5000 ohms)
[ Hits: 4555 | Votes: 2 | Rating: 9.5 ]
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