rf inter

472 links - and 4 categories

Small Loop Antenna for the 80m to 10m
This article describes the development of two tunable antennas each consisting of three interconnected small ...

By G3JKF - Votes: 1 | Rating: 8

Open-Folded W8JK Antenna for HF
Originally designed by John Kraus W8JK in about 1940 this antenna has some interesting properties ...

By F5NPV - Votes: 1 | Rating: 3

Variations on a Dipole
Antenna patterns are all about interference Presentation on wire antennas for HF bands Dipoles horizontal ...

By AF7NX

Unearthing VHF Contest Secrets: An In-Depth Analysis
In this article authors delve into the inner workings of the IARU R1 VHF contest ...

By S51FB S51ML S52AA S53WW - Votes: 2 | Rating: 10

A RemoteQth Cable Adapter for Prosistel Rotator
If you are a RemoteQth server user and own a Prosistel rotor you will have ...

By IW7DMH

IC706 MKIIg Mic Interface
This interface is perfect to operate the ICOM IC706 MKIIg with a pc headset in ...

By IW7EHC

CAT Interface for Yaesu FT-817 and FT-100
A Rig control CAT interface schematic suitable for both the Yaesu FT 817 and FT ...

By PE1PWF - Votes: 1 | Rating: 6

Skywave Linux
Linux for shortwave and amateur radio monitoring Supports popular SDR hardware and online streaming from ...

By Philip Collier AB9IL

WinRFCalc Free Windows RF Calculator
A multi tool Windows program that has been designed to offer the EMC RF and ...

By PA3AKP

YAESU beam controller to suit RigExpert WTI-1
Beam Controller Interface Project The control system will be via the internet and consist of ...

By VK5DJ

Band Pass Filters for HF Transceivers
If your multiple transceiver station is suffering of intrastation interference this handy and inexpensive band ...

By K4VX

Universal PC Headset Interface
This is a simple interface that will let you use your pc multimedia headset on ...

By IW7EHC - Votes: 1 | Rating: 10

Understanding computer-generated RFI
Radio Frequency Interference RFI has always been a source of concern for the Radio Amateur ...

By NU1N
The battle with massive RFI problems in the shack
This fall winter 2 events has happened at about the same exact time I finally ...

By KC9ON
Stop RFI from Solar PV Systems
Stop EMI RFI Interference in Off Grid Solar PV Systems in this article the author ...

By WB8ERJ
Solar Panel and Ham Radio
If you are having problems with RFI from Solar Panels this document from QST provides ...

By K1KP

Miniature CI-V for Icom Radios
With some fantasy the circuit can be easily assembled on a small scrap of pre ...

By IW7EHC
FT-817 CAT and Dig Mode Interface
This interface includes both the CAT and the PTT circuits and it can be controlled ...

By IW7EHC
Digital Mode Interface
The use of an isolation interface between the radio and the pc is higly recommended ...

By IW7EHC
DuinoVox USB interface
Cheap and easy to build digital modes USB interface for Ham Radio The DuinoVOX Arduino ...

By KB9RLW