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Antennas : 20M : 20 meter Dipole Antennas- 20 meter short loaded vertical antennas
- N4SPP
Loading is a way to lower the resonant frequency of an antenna radiator This technique ...[ Hits: 232 | Votes: 1 | Rating: 9 ]
- A Homebrew Yagi for 1296 MHz DX
- DJ9YW
The author who works successfully via EME on this band wants to describe his own ...[ Hits: 504 | Votes: 1 | Rating: 5 ]
- How to Blow Up Your Balun
- N6BV
In this article author examine stresses placed on common mode chokes aka baluns as hams ...[ Hits: 390 | Votes: 0 | Rating: 0 ]
- Small HF Antennas
- SM0VPO
Experiments on HF antennas for restricted spaces In this article author experiments antennas for 80 ...[ Hits: 1024 | Votes: 19 | Rating: 7.31 ]
- Speaker Wire EFHW Antennas 20m/ 40m
- wb3gck
Author experiments end fed half wave antennas using common two conductore speaker wire this article ...[ Hits: 262 | Votes: 1 | Rating: 9 ]
- Ferrite Rod TX Antenna for 40m
- G3XBM
No exotic claims are made for this antenna Author just tried a few WSPR experiments ...[ Hits: 300 | Votes: 1 | Rating: 1 ]
- Portable HF Antenna Options
- VK4ADC
Article on portable HF antenna where author diverge about antenna efficiency versus size based on ...[ Hits: 174 | Votes: 2 | Rating: 4 ]
- A Simple 2 Element Quad Antenna for 10 meters
- W4RNL
Quads beams consist of 2 1 wavelength approximately loops ordinarily arranged so that one is ...[ Hits: 274 | Votes: 1 | Rating: 7 ]
- 7 Element QUAGI for Satelitte Operations
- IT9VKY
In order to increase the gain for satellite opeations working on 144 MHz bands the ...[ Hits: 146 | Votes: 0 | Rating: 0 ]
- A QRP Transmatch ATU
- DL1GSJ
A home made Antenna Tuner made with a simple inductor and a few spare parts ...[ Hits: 205 | Votes: 0 | Rating: 0 ]
- EME user guide by IK1UWL
- IK1UWL
A complete guide to start operating EME In this document that is the result of ...[ Hits: 342 | Votes: 1 | Rating: 7 ]
- CW morse code course by I4CQO
- I4CQO
In his page the author includes 27 mp3 audio files that compose the whole CW ...[ Hits: 384 | Votes: 1 | Rating: 10 ]
- What to Expect at Solar Minimum
- K9LA
Article on operating aids and band usage during solar minimun periods Author tries to explain ...[ Hits: 230 | Votes: 1 | Rating: 1 ]
- Chinese uSDX Review
- Thomas Witherspoon
A review of the Chinese version of uSDX USDR HF QRP Transceiver Author made an ...[ Hits: 279 | Votes: 1 | Rating: 10 ]
- Juma Keyer1
- OH2NLT
Miniature PIC microcontroller based keyer kit with convenient modes The kit includes PCB componets knob ...[ Hits: 101 | Votes: 0 | Rating: 0 ]
- Speech Processor
- SM0VPO
How to improve performance of your audio using a home made speech processor In this ...[ Hits: 250 | Votes: 2 | Rating: 10 ]
- EA2CW Nanokeyer
- EA2CW
HFN Hands Free Nanokeyer is a 3D Printer made morse keyer In this project the ...[ Hits: 97 | Votes: 1 | Rating: 10 ]
- QRP Transceiver for 15m
- JF1OZL
This is a CW 1W transceiver with only three transistor The author has been able ...[ Hits: 85 | Votes: 0 | Rating: 0 ]
- Common-mode chokes Measurements
- IN3OTD
Common mode chokes are useful solutions for RFI reduction Winding a few turns of coaxial ...[ Hits: 156 | Votes: 1 | Rating: 8 ]
- Hermes-Lite SDR Project
- IN3OTD
The author has build the Hermes Lite SDR v1 and v2 versions describing with a ...[ Hits: 159 | Votes: 2 | Rating: 8 ]
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