log antennas

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log antennas

98 links - and 1 categories

Antennas : 10M
  • A double extended Zepp for 10 meters - How to make a Double Extended Zepp Antenna, almost a conventional halfwave dipole fed in the center with 300 or 450 ohm feed line by kh6jrm
    [ Hits: 1517 | Votes: 5 | Rating: 8.8 ]
Antennas : 2M Antennas : Baluns
  • Build your own HF balun - A balun is a MUST for dipoles or similar antennas when they are feed with coaxial cables. Many hams connect the center conductor of the coaxial cable to one side of the dipole, and the shield to the other. Wrong!
    [ Hits: 1552 | Votes: 3 | Rating: 6.67 ]
Antennas : End-Fed
  • Multiband end fed antennas - This is a 200 Watt PEP step up transformer for end fed full and half wave antennas without radials, designed as a 200 Watt PEP
    [ Hits: 2181 | Votes: 8 | Rating: 6.99 ]
Antennas : G5RV
  • G5RV JR 10-40 - The G5RV JR cover 10-40 meters band a project by PU2OKE
    [ Hits: 1620 | Votes: 5 | Rating: 7.8 ]
Antennas : Handhelds
  • 2m HT antenna shootout - G4ILO compares popular antennas for 2 metre band handhelds so as to see how much you lose using a small inconspicuous antenna or how much you gain by using a long antenna.
    [ Hits: 778 | Votes: 5 | Rating: 5.6 ]
Antennas : Log Periodic
  • VHF Log Periodic Antenna - 17-Element Very High Frequency/Ultra High Frequency Log Period Dipole Array
    [ Hits: 1093 | Votes: 4 | Rating: 7 ]
  • Practical HF Log Periodic Antennas - This QST article describes the electrical and mechanical design process for two LPs that cover the HF bands from 10-30 MHz
    [ Hits: 798 | Votes: 0 | Rating: 0 ]
Antennas : Loop
  • A multiband indoor loop antenna - An indoor antenna that works form 20 to 10 meters bands. A transmitting loop antenna that could be used for casual contacts and local rag chews by KH6JRM
    [ Hits: 954 | Votes: 3 | Rating: 2 ]
  • Chevron Loop for 40 Meters - Delta loop antennas for 40 meters plans and comparison of some models
    [ Hits: 861 | Votes: 1 | Rating: 3 ]
Antennas : Moxon Antennas : Multiband
  • HF Multiband end fed antennas - A multiband end-fed antenna that cover 3.5 to 30 Mhz using a 1:64 Balun based on a FT240-43 core
    [ Hits: 3541 | Votes: 6 | Rating: 4.67 ]
Antennas : Satellite
  • Eggbeater II Omni LEO Antenna - Building Eggbeater II Omni low Earth orbit satellite Antennas for 70cm by ZR6AIC
    [ Hits: 990 | Votes: 0 | Rating: 0 ]
  • The CJU Sat Antenna - KD8KSB realization of the CJU satellite antenna that allow similar performance to the arrow antennas.
    [ Hits: 699 | Votes: 0 | Rating: 0 ]
Antennas : Theory : Antenna Gain Antennas : Theory : Impedance matching Antennas : Wire
  • Long wire and Un-Un - Testing log wire antennas and a unun by G0KYA
    [ Hits: 702 | Votes: 1 | Rating: 6 ]
Ham Radio : Blogs : Asia : India
  • VU2NAN Nandu - Homebrew Antennas, Transmitters, Receivers, Converters, Keyers and SWR/RF Current Indicators with photographs an excellent blog with many projects by VU2NAN
    [ Hits: 218 | Votes: 2 | Rating: 9 ]
Manufacturers : Antennas : HF : Active antennas
  • Broadband Power Technology - Active Receiving Antennas, designed for reception of shortwave, mediumwave and longwave signals and VHF/UHF signals
    [ Hits: 297 | Votes: 0 | Rating: 0 ]
Technical Reference : SWR Meters
  • 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: 1497 | Votes: 8 | Rating: 4.62 ]

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