2012
151 links - and 1 categories
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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 ]
- 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 ]
- 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 ]
- 3 band J-Pole Antenna
- Pictures of a 2 meter, 220, 440 copper J-Pole antennas
[ Hits: 2607 | Votes: 12 | Rating: 6.08 ]
- 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 ]
- How does antenna height affect VHF communications
- How to calculate range for a VHF antenna with a simple formula and how to increase VHF coverage.
[ Hits: 631 | Votes: 2 | Rating: 9 ]
- 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 ]
- 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 ]
- Ameritron ALS-600 QSK Mod
- Ameritron solid state amplifier modification
[ Hits: 400 | Votes: 0 | Rating: 0 ]
- Elecraft KX3 and PowerSDR
- Simple Elecraft KX3 and PowerSDR configuration by AG1LE
[ Hits: 589 | Votes: 1 | Rating: 10 ]
- IC-9100 QST Review
- ICOM IC-9100 QST Product Review PDF File
[ Hits: 654 | Votes: 3 | Rating: 10 ]
- FT817 Amp Project
- How to build a lightweight amplifier that can be backpacked around.
[ Hits: 1270 | Votes: 1 | Rating: 1 ]
- Yaesu FT-817 - Noise Blanker improvement
- A modification to improve quality of built-in FT-817 Noise Blanker
[ Hits: 659 | Votes: 0 | Rating: 0 ]
- Butternut HF9V Installation
- Assembling installing and tuning the Butternut HF9V multiband vertical antenna
[ Hits: 725 | Votes: 1 | Rating: 9 ]
- Baofeng UV-5R review
- A short description of Baofeng UV-5R by NH7QH
[ Hits: 297 | Votes: 0 | Rating: 0 ]
- 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 ]
- Control the Yaesu FT 817 Using Arduino
- A library for controlling the FT817 from an Arduino
[ Hits: 1002 | Votes: 3 | Rating: 1 ]
- 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 ]
- About Lightning Protection
- Ham Radio Station Grounding for Lightning Protection presentation
[ Hits: 1739 | Votes: 2 | Rating: 9 ]
- 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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