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289 links

40m Magnetic Loop Antenna - CARC
A coaxial cable tuneable magnetic loop antenna for 7MHz This experimental antenna does not require ...

[ Hits: 3594 | Votes: 4 | Rating: 8.75 ]

When and Where to Use Baluns - W4ULD
Baluns are usually used by Hams to feed dipole antennas with 50 ohm coax and ...

[ Hits: 1523 | Votes: 9 | Rating: 7 ]

QRO No-Tuner Multiband Dipole - KK5JY
Construction details of a multiband dipole that can can operate at high power levels and ...

[ Hits: 1508 | Votes: 2 | Rating: 4.5 ]

W3EDP Antenna - AE5VV
W3EDP antenna for 16 160 Meters works by attaching the antenna to a balun and ...

[ Hits: 2148 | Votes: 2 | Rating: 10 ]

QRP Multi-band EFHW antenna for SOTA - VK1AD
Link End Fed Half Wave Antenna and Tuner for SOTA designed to work on 15m ...

[ Hits: 1538 | Votes: 4 | Rating: 5.75 ]

The $4 special antenna - W1GFH
A multiband wire antenna with a twinlead feedline that can be easily tuned in several ...

[ Hits: 2269 | Votes: 4 | Rating: 7.25 ]

Antennas for portable operations - hyendfedantenna
Article describing various type of portable antennas from verticals to dipoles vertical dipoles random wire ...

[ Hits: 500 | Votes: 0 | Rating: 0 ]

Popular Matching Networks - G3YNH
What happens in impedance space when the various popular matching networks antenna tuners are adjusted ...

[ Hits: 275 | Votes: 0 | Rating: 0 ]

Z-Match Antenna Tuner - AD5X
A 100 watt Compact Z Match Antenna Tuner that can match just about anything on ...

[ Hits: 2315 | Votes: 2 | Rating: 5.5 ]
End fed half wave tuner - OZ1CX
End fed half wave tuner a handy tool for field day and portable operations ...

[ Hits: 1056 | Votes: 2 | Rating: 9.5 ]
QRP Z-Match Tuner 40-10m - VK5BR
The Z Match is really a basic L Match consisting of a series capcitor and ...

[ Hits: 1802 | Votes: 0 | Rating: 0 ]
A Homebrew Z-Match Transmatch - WB3GCK
A home made antenna tuner based on the W6JJZ basic concept that atches balanced loads ...

[ Hits: 1101 | Votes: 0 | Rating: 0 ]

VHF / UHF Antenna Design - G6JVT
A dipole for 2m 4m 6m band an hamdwritten note for a homemade vhf antenna ...

[ Hits: 1698 | Votes: 10 | Rating: 7.08 ]

Receiving JT65 with RTL-SDR - LB0MG
How to receive JT 65 signals using a cheap RTL SDR dongle with the 820T2 ...

[ Hits: 832 | Votes: 1 | Rating: 7 ]

MFJ-971 Modification - MOUKD
MFJ 971 Portable Antenna Tuner Modifications adding a bypass switch and increasing inductance to tune ...

[ Hits: 419 | Votes: 1 | Rating: 1 ]

RepeaterBook - ZBM2 Software
A free repeater database app for iPhone and iPad includes repeaters from 35 different countries ...

[ Hits: 429 | Votes: 1 | Rating: 10 ]

The HotPaw Morse Code Decoder - HotPaw
The HotPaw Morse Code Decoder decodes the tones of Morse Code characters from audio input ...

[ Hits: 916 | Votes: 0 | Rating: 0 ]

AutoCap Tuner for mag loop Antennas - Matt Roberts
This article describes a loop tuning system that automatically keeps a contest band loops properly ...

[ Hits: 899 | Votes: 2 | Rating: 6 ]

Serial/USB SWR Meter - KK5JY
A low cost SWR meter project based on Arduino that works with AutoCap automatic antenna ...

[ Hits: 783 | Votes: 2 | Rating: 5.5 ]

2N2/6 40 to 6 m Transverter - K8IQY
This project is a 40 meter to 6 meter CW no tune transverter using ten ...

[ Hits: 320 | Votes: 0 | Rating: 0 ]