swr measur
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Antennas : Fan Dipole- Fan Dipole Antenna for 40 20 and 6 meters
- A fand dipole antenna home made for the 7,14,50 MHz.
This article descbribes how to homebrew the antenna, hot to setup and some SWR measurements.
[ Hits: 326 | Votes: 0 | Rating: 0 ]
- 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: 1237 | Votes: 3 | Rating: 3.33 ]
- Setting the SWR of Your Antenna
- SWR (standing wave ratio), is a measurement of how efficiently your antenna system will radiate the power available from your radio. In simple terms, your radio would like to radiate all of its power, but can only do so if the other components cooperate
[ Hits: 1253 | Votes: 0 | Rating: 0 ]
- Better Feedline Loss Measurements with Antenna Analyzers
- Various publications through the years have shown how the SWR measured on a shorted (or open) feed line can be used to calculate feed line attenuation
[ Hits: 1919 | Votes: 2 | Rating: 10 ]
- G5RV antenna
- Review by G3TXQ and comparison to its modificated versions. SWR Measurements on inverted V setup and comparison from EZNEC model and a real one.
[ Hits: 1843 | Votes: 3 | Rating: 4 ]
- Antenna Impedance measurement
- When experimenting on an antenna it's often important to determine its feedpoint impedance at various frequencies across the operating band. It's easy enough to measure SWR, but sometimes we need to know more detail than this
[ Hits: 1425 | Votes: 6 | Rating: 2.67 ]
- Antenna Maria Maluca
- Antenna construction project and report on efficiency and SWR measurement by DL1RLB, project implemented in May 2008
[ Hits: 505 | Votes: 1 | Rating: 9 ]
- Antenna Tuning
- Tuning mobile and base antennas, measuring SWR.
[ Hits: 6631 | Votes: 3 | Rating: 5 ]
- Cushcraft R7 repair and tests
- F5DQK repairing and swr measurement tests of a Cushcraft R7 Antenna
[ Hits: 1929 | Votes: 2 | Rating: 9 ]
- Understanding Standing Wave Ratios SWR
- We worry a lot about Standing Wave Ratio (SWR) in amateur radio since SWR is one indication of how well our antenna system is working. Most HF transceivers and antenna tuners have built in SWR meters. SWR is a measure of a transceiver'
s output power verses the portion of that power reflected by the antenna system
[ Hits: 8713 | Votes: 8 | Rating: 4.75 ]
- Measuring Antenna System SWR
- Have you measured the SWR at the antenna?
[ Hits: 347 | Votes: 1 | Rating: 10 ]
- 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: 1917 | Votes: 12 | Rating: 4.91 ]
- A Coax Switch
- An inexpensive coax switch. shows a proven inexpensive home-made antenna selection switch. If you question the use of a cheap slide switch and SO239 coax sockets, read on. Measurements in a physics lab showed there to be practically no reflection on HF and even on 70 cm the SWR was below 1.3 : 1
[ Hits: 9676 | Votes: 8 | Rating: 7.5 ]
- SWR / Wattmeter with Arduino Uno Shield
- SWR / Wattmeter with Arduino Uno Shield.
It can measure from 2 to 200 watt and SWR for HF Ham radio.
[ Hits: 8890 | Votes: 38 | Rating: 5.77 ]
- QRP SWR Meter
- SWR meter for low power output measurements, dedicated to QRP operations
[ Hits: 2114 | Votes: 2 | Rating: 5 ]
- Measuring SWR
- Measuring SWR and things every CB'er should know
[ Hits: 9187 | Votes: 18 | Rating: 8.33 ]
- WiFi SWR meter
- An home made SWR meter for 2.4 GHz.
A DIY SWR meter that allow precise measurements and calibration of any WiFi antenna. This is test equipment everyone who build wifi antennas should have in their shack. Article is in french and include some videos.
[ Hits: 1699 | Votes: 10 | Rating: 4.9 ]
- How to Measure SWR
- A guide to measuring SWR with different types of SWR Meters, the single needle and dual needle meters
[ Hits: 405 | Votes: 0 | Rating: 0 ]
- The Effects of VSWR on Transmitted Power
- What is VSWR and why you should care, formal definition of VSWR and SeaSonde Measurements, formulas
[ Hits: 325 | Votes: 2 | Rating: 7 ]
- Rainbow Antenna Analyzer
- A small and inexpensive measurement device designed to determine antenna performance across the amateur bands through use of automatically collected SWR readings
[ Hits: 6760 | Votes: 7 | Rating: 5.57 ]
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