2012

The DXZone.com

2012

151 links - and 1 categories

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: 1639 | Votes: 5 | Rating: 5 ]
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: 2273 | Votes: 9 | Rating: 7.32 ]
Antennas : Homebrewing Techniques
  • Choosing right material to make antennas - Why build antennas out of copper and not aluminum or stainless steel. Selecting the best metals for antennas evaluating the conductivity factor.
    [ Hits: 336 | Votes: 2 | Rating: 5.5 ]
Antennas : J-Pole
  • 3 band J-Pole Antenna - Pictures of a 2 meter, 220, 440 copper J-Pole antennas
    [ Hits: 2607 | Votes: 12 | Rating: 6.08 ]
Antennas : Magnetic Loop
  • 30-10 Meter Loop - An home made magnetic loop antenna project using a military surplus 150pf capacitor by KF5CZO
    [ Hits: 1101 | Votes: 0 | Rating: 0 ]
Antennas : Theory Ham Radio : Clubs : YL
  • Dutch Young Ladies Club, Proud 2B PI4YLC - Dutch Young Ladies Club is part of the VERON and was founded in 1981. The ladies formed a contestgroup, starting in 2012, their slogan is -Proud 2B PI4YLC-
    [ Hits: 289 | Votes: 0 | Rating: 0 ]
Operating Modes : Digital Voice
  • Free DV - digital voice codec - Operating Free DV, the open source digital voice codec for HF, allows any SSB radio to be used for low bit rate digital voice.
    [ Hits: 354 | Votes: 0 | Rating: 0 ]
Radio Equipment : HF Amplifiers : Ameritron ALS-600 Radio Equipment : HF Transceivers : Elecraft KX3 Radio Equipment : HF Transceivers : Icom IC-9100
  • IC-9100 QST Review - ICOM IC-9100 QST Product Review PDF File
    [ Hits: 654 | Votes: 3 | Rating: 10 ]
Radio Equipment : HF Transceivers : Yaesu FT-817 Radio Equipment : HF Vertical Antenna
  • Butternut HF9V Installation - Assembling installing and tuning the Butternut HF9V multiband vertical antenna
    [ Hits: 725 | Votes: 1 | Rating: 9 ]
Radio Equipment : VHF-UHF Handhelds : Baofeng UV-5R
  • Baofeng UV-5R review - A short description of Baofeng UV-5R by NH7QH
    [ Hits: 297 | Votes: 0 | Rating: 0 ]
Radio Scanning : Maritime
  • Marine VHF Frequencies - The following table is adapted from the International Telecommunications Union Radio Regulations Appendix 18, including changes adopted by the 2012 World Radio Conference.
    [ Hits: 819 | Votes: 1 | Rating: 6 ]
Technical Reference : Arduino Technical Reference : Filters
  • RTLSDR Coax Stub - Cutting out the noise using a simple coax filter to improve the poor front end filtering
    [ Hits: 753 | Votes: 2 | Rating: 5.5 ]
Technical Reference : Lightning Protection
  • About Lightning Protection - Ham Radio Station Grounding for Lightning Protection presentation
    [ Hits: 1739 | Votes: 2 | Rating: 9 ]
Technical Reference : Spectrum Analyzers
  • Handheld 2.4 GHz Spectrum Analyzer - A spectrum analyzer based on ATMega8 microcontroller and a CYWM6935 within a Nokia mobile phone case.
    [ Hits: 696 | Votes: 0 | Rating: 0 ]

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