2 meter swr meter

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2 meter swr meter

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Antennas : 10M
  • 10 meter wonderbar antenna - 10 Meter WonderBar Antenna, present an SWR 1:1 over entire band, great DX, rotateable by hand, 8 ft long - build for about $20
    [ Hits: 5415 | Votes: 0 | Rating: 0 ]
Antennas : 160M
  • Broadband 80/160 Meter Dipole - An easy to build single wire antenna for 160 and 80 meters with a better than 2 to 1 swr across the 80 meter band by K5GP
    [ Hits: 3096 | Votes: 2 | Rating: 4.5 ]
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: 7709 | Votes: 8 | Rating: 6.25 ]
Antennas : 80M
  • 80/75 Meter 4-Square Array - This array has been in use since 1989. The SWR from 3.5 to 3.9 is below 1.5:1. The F/R of the array is 20dB average and with some signals even better.
    [ Hits: 2285 | Votes: 1 | Rating: 10 ]
  • 80m OCF Dipole - A simple 7 bands off-center dipole wire antenna designed to work on 80 meters band and that can cover also 40m 30m 20m 15m 12m 10m with acceptable SWR
    [ Hits: 1999 | Votes: 2 | Rating: 6 ]
Antennas : Feed Lines
  • Transmission Lines - Whenever you choose a coax feedline, the frequency of operation is a very important consideration. Over the operating bandwidth of the coax the VSWR is low, typically 1.2:1 or better. Insertion loss is also an important parameter. It is usually specified in dB/foot and is a linear relationship.
    [ Hits: 1271 | Votes: 0 | Rating: 0 ]
Antennas : Log Periodic
  • HF Log Periodic antenna - 10 to 20 meters band log-periodic antenna project with SWR Plots, boom lenght and element spacing.
    [ Hits: 4288 | Votes: 6 | Rating: 6.33 ]
Antennas : Multiband
  • Vertical antenna for Vacation - Vertical Vacation Antenna for 80, 40 and 20 Meter-Band, by Herbert OE3BMB This antenna is a full size λ/4 for 20m and 40m band, and a shortened λ/4 for the 80m band. Generally on the 40m band the SWR is under 1,6. In 80m and 20m band at the resonant frequency the SWR is about 1,1.
    [ Hits: 5033 | Votes: 4 | Rating: 8 ]
Antennas : Theory
  • 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 ]
Antennas : Tuners
  • 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: 5567 | Votes: 1 | Rating: 9 ]
Radio Equipment : HF Amplifiers : Ameritron AL-811
  • High SWR after AL-811 10 Meter mod - Are you experiencing very high SWR with the 10M Modification to Ameritron AL-811 amplifier ? This is a good forum topic to fix this problem.
    [ Hits: 2282 | Votes: 6 | Rating: 5.33 ]
Software : Antenna analysis
  • MeterMate - SWR Graphing Software for Amateur Radio by KD4UDY, shareware
    [ Hits: 1193 | Votes: 1 | Rating: 7 ]
Technical Reference : Arduino Technical Reference : Power Meter Technical Reference : SWR Meters
  • Wifi VSWR Meter - A Wifi (V)SWR Meter to build yourself
    [ Hits: 1798 | Votes: 4 | Rating: 7.25 ]
  • G3TXQ SWR meter - Based on the N2PK design, this swr meter use a stockton directional coupler
    [ Hits: 2815 | Votes: 0 | Rating: 0 ]
  • N2PK SWR Meter - HF Forward Power & Return Loss (SWR) Meter
    [ Hits: 2014 | Votes: 1 | Rating: 7 ]
  • Wideband SWR meter - About SWR, and use of SWR Meter, home made a swr meter.
    [ Hits: 5558 | Votes: 7 | Rating: 7.43 ]
  • A Wifi (V)SWR Meter - When building antennas for the Wifi band , a need for an easy way to check the antennas arise. This is a project for a 2.4 GHz band SWR Meter
    [ Hits: 1162 | Votes: 6 | Rating: 4.83 ]
  • 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: 1698 | Votes: 10 | Rating: 4.9 ]

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