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Antennas : 6M Antennas : 80M
  • 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: 2001 | Votes: 2 | Rating: 6 ]
Antennas : Antenna Calculators
  • Cubical Quad Antenna Calculator - Easy Quad calculator, enter center frequency to get a quad antenna size
    [ Hits: 2784 | Votes: 34 | Rating: 6.45 ]
  • Center-Fed Wire Dipole Antenna Tuning Calculator - Ever need a way to estimate the amount of wire to add to or remove from a center-fed wire dipole antenna to achieve resonance at a desired frequency? This article help to determine correct wire lenght.
    [ Hits: 1006 | Votes: 7 | Rating: 2.86 ]
Antennas : Dipole
  • Center feed insulator - A center antenna insulator with feedline strain relief
    [ Hits: 1770 | Votes: 1 | Rating: 9 ]
  • Home Made Off Center Fed Dipole - Project with pictures and plans for an HF off center fed dipole by KB1NWH
    [ Hits: 939 | Votes: 0 | Rating: 0 ]
Antennas : OCF
  • Multi-Band OCF-dipole Antenna - An Off-center-feed antenna that covers 80, 40, 20, 17, 15, 12, 10, and 6 meters
    [ Hits: 1616 | Votes: 2 | Rating: 4.5 ]
  • OCF Dipoles - About windom antennas and OCF dipoles, tricks on covering more bands moving feed-points and potential problems. Problems caused by common mode currents in OCF dipoles
    [ Hits: 670 | Votes: 0 | Rating: 0 ]
Antennas : Theory
  • Windom over a House Roof - Experimenting OCF and dipole wire antennas over house roof. Effects of roofs on wire antennas
    [ Hits: 487 | Votes: 0 | Rating: 0 ]
Antennas : Windom
  • The Coax-Fed Windom - Classical coax-fed, off-center-fed dipole, feeded with a 4:1 Guanella balun
    [ Hits: 1214 | Votes: 2 | Rating: 8.5 ]
Antennas : Wire
  • Multi-band Wire Antennas - Presentation by Al Peter to compare several popular center-fed wire antennas that cover multiple bands.
    [ Hits: 1173 | Votes: 1 | Rating: 8 ]
Ham Radio : Clubs : North America : USA : Oklahoma Ham Radio : Disabilities Internet and Radio : Live streaming
  • Listen to National Hurricane Center Skywarn Nets - Live audio of the National Hurricane Center’s Skywarn Nets. This live feed covers several different states, and locations throughout the US including: TX, LA, MS, AL, FL, GA, SC, NC, VA, MD, DE, PA, NJ, NY, CT, RI, MA, VT, and ME
    [ Hits: 784 | Votes: 1 | Rating: 5 ]
Manufacturers : Antennas : VHF UHF Microwave
  • Centerfire antenna - US Antenna manufacturer offering base and mobile antennas for 2 meter, 1.25 meter and 70 cm Amateur Radio GMRS and MURS Citizens Band Radio VHF and UHF Business Band Radio HF, VHF and UHF Scanning
    [ Hits: 1283 | Votes: 2 | Rating: 10 ]
Manufacturers : Lightning and Surge Protection
  • L-Com lightning protector - High quality surge protector, lightning protection, surge protection, and power protection products
    [ Hits: 294 | Votes: 0 | Rating: 0 ]
Technical Reference : Filters
  • W3LPL Receiving Bandpass Filters - Project of receive only filters optimized for minimal loss and very high rejection of frequencies below 75% of the filter center frequency by K1TTT
    [ Hits: 1079 | Votes: 0 | Rating: 0 ]
Technical Reference : Homebrew Technical Reference : Test Equipment : Oscilloscope
  • Oscilloscope Tutorial - Tektronix Oscilloscope Tutorial Learning Center, includes tutorials for understanding oscilloscope basics and operation.
    [ Hits: 298 | Votes: 0 | Rating: 0 ]

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