am antenna to sw49 links
Antennas : 40M
- JA7KPI Windom antenna for 40-80
- The total length of this antenna is 41m, height is about 11m, and diameter of element is 2mm.
JA7KPI modified this antenna originally used as Inverted-V type of 80m band Dipole.
Works on 40 - 80 meters band with acceptable swr.
[ Hits: 7127 | Votes: 5 | Rating: 6.40 ]
- Radio Antenna System Evaluator Site
[ Hits: 712 | Votes: 0 | Rating: 0.00 ]
- HF Log Periodic antenna
- 10 to 20 meters band log-periodic antenna project with SWR Plots, boom lenght and element spacing.
[ Hits: 3625 | Votes: 5 | Rating: 6.80 ]
- Switchable Direction EWE Antenna
- About Switchable Direction EWE Antenna
[ Hits: 620 | Votes: 0 | Rating: 0.00 ]
- The Case For Polarization Switching
- WD0E, argues that the best antennas for working the most satellites are circularly polarized antennas that can be switched from right-hand-circular to left-hand-circular polarization.
[ Hits: 852 | Votes: 0 | Rating: 0.00 ]
- Matching Waves, VSWR at work
- When the radiation resistance (voltage to current ratio) of an antenna is the same value as the characteristic impedance of the transmission line (voltage to current ratio in the line), all of the electrical energy transmitted down the line is taken by the antenna and radiated into space in the form of a radio wave.
[ Hits: 417 | Votes: 0 | Rating: 0.00 ]
- The EZ-Tuner
- The "EZ-Tuner" is a homebrew automatic legal-limit antenna tuner that covers all amateur HF bands from 160-10 meters. Using a T-network design and controlled by a BASIC Stamp BS2sx microcontroller, the EZ-Tuner will match at least a 16:1 VSWR for either unbalanced or balanced transmission lines.
[ Hits: 5323 | Votes: 1 | Rating: 9.00 ]
- Vee Beam Antenna
- A multiband HF Vee Beam antenna at VK5SW.
If you're lucky enough to have the room, perhaps you may like to put up a multiband Vee Beam antenna for the HF bands.
[ Hits: 641 | Votes: 24 | Rating: 8.83 ]
- 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: 399 | Votes: 2 | Rating: 9.50 ]
- HB9FX Internet Remote Base JN37XH Hochwacht Zofingen Switzerland
- Tune and / or listen between 10kHz - 10GHz to professional Online-Receivers as Rhode & Schwarz EK070 or AEG E1900/3, Amateur-Radio-Transceivers, Web-SDR, Digital-Modes, Repeaters, EchoLink, APRS or control Antenna-Switch-Matrix, Antenna-Tuner, SWR & PWR- Control or Web-Cams.
[ Hits: 12270 | Votes: 101 | Rating: 4.70 ]
- WE-030A Antenna Analyzer
- Small and simple to use, this antenna analyzer can speed and ease the tuning and adjustment of HF antennas. It measures the fundamental parameters SWR and return loss.
[ Hits: 1942 | Votes: 1 | Rating: 10.00 ]
- Breedlove Mounts
- Solid brass swivel ball mounts for CB or Ham radio antennas. Stake pocket brackets for pick-up trucks. New design, two minutes to install. Quick disconnect couplings and mounts, solid brass.
[ Hits: 615 | Votes: 3 | Rating: 6.00 ]
- LBA Technology
- LBA - DTV & RF test systems; AM antennas; RF shielding; RF compliance, safety, interference, intermodulation services; AM detuning, Antenna SWR Analyzers
[ Hits: 537 | Votes: 1 | Rating: 7.00 ]
- Howell Communications, Inc.
- Family owned and operated tower service company. Tower installation, Microwave and Broadcast Antenna Installation, Installation of Feed Lines, Ice Bridge Installation, Lightning Protection, Site Inspections, Alignment of Microwave Paths, Flash Testing, Sweep Testing, Tower Lighting and Relamping.
[ Hits: 390 | Votes: 0 | Rating: 0.00 ]
- Spanish radio dealer offer accessories, antennas and battery chargers, mounting accessories, cables and connectors, radio kits, power supply, pmr, vhf/uhf radios, all products for CB, ham radio and SWL.
[ Hits: 1006 | Votes: 2 | Rating: 7.50 ]
- Manufacturer's representative of wireless communication radio equipment, 2-way radio sales, land mobile radio sales, repeaters, duplexers, antennas, pl tone, hf, vhf and uhf data modems and LAN ethernet radio modems for commercial and amateur radio users.
[ Hits: 359 | Votes: 0 | Rating: 0.00 ]
- The SWDXer
- SWDXer is the one stop resource for shortwave radio information.
Articles include antennas and simple electronics construction.
[ Hits: 920 | Votes: 2 | Rating: 10.00 ]
- W8WWV - Antenna Switches
[ Hits: 2880 | Votes: 1 | Rating: 9.00 ]
- Homemade HF +50MHz Antenna tuner
- HF/6M antenna tuner preselector and antenna switcher project by ON6MU
[ Hits: 4612 | Votes: 5 | Rating: 6.80 ]
- Portable RF Sniffer and Power Meter
- Whether we are tuning up homebrew equipment, checking antenna VSWR, adjusting a linear amplifier, or just monitoring output power during a contest, almost all aspects of ham operation can use a power meter. Paul Wade W1GHZ
[ Hits: 1473 | Votes: 1 | Rating: 10.00 ]
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