headphones splitter box

QRP Magnetic longwire balun with VHF-splitter - This Magnetic Longwire Balun (MLB) makes it possible to efficiently use a coaxial lead-in cable with all forms of longwires, T-forms or other types of wire antennas, without the need for an antenna tuner.

Two-Wire Transmission Line - 2 wire transmission line explained

Home-brew Antennas - Notes on homebrewing antennas by Chris G4CYA, from gamma matching, to phasing antennas, splitters and combiners, baluns and measuring techniques.

RX antenna for 160/80 meters - RX Antenna 160m/80m Band Splitter/Switch, a small project that will work along with the K9AY RX antenna

VHF Antenna in a Lunchbox - The magnetic loop on two metres

Horn antenna for AO-40 by AA2TX - These notes provide the directions for constructing a Cardboard-box antenna for receiving the AMSAT OSCAR-40 satellite on 2.4 GHz (S-band.) It is constructed from two cardboard cartons, aluminum foil, and packing tape. No coax, connectors, or soldering is needed.

437 Mhz Crossed Yagi for Satellite work - Crossed yagi for 437 Mhz Satellite antenna, with power divider splitter build.

ZL1BPU Rotator Controller - A very simple controller circuit, with fairly smart performance! The ZL1BPU Rotator Controller has been designed as an add-on unit for the popular Kenpro KR-400 and Yaesu G-400 rotators. The controller consists of a small circuit board which fits inside the rotator control box (see picture).

Hotel Alfa Radio Club (Hungary) - P.Box. 20. Piliscsaba 2087 Hungary

K5ZD contest audio live - During some of the serious contest operations from K5ZD, we will enable live audio streaming direct from the headphones

Ham Radio Blog by OZ1BXM Priority listing - Monthly blog on Ham Radio by OZ1BXM Lars Petersen

Pomona Electronics - Banana plugs, coaxial cable assemblies, patch cords, oscilloscope and DMM test lead and probe kits and accessories, IC test clips, boxes, RF connectors, XLR and 75-ohm cable assembly products.

MDS-HAM Amateur Radio Products - MDS-HAM Amateur Radio Products help make operating easier with the Introduction of the RC-1-Y, and RC-1-M rotor control box. A digital rotor control box with a serial computer interface at an affordable price which is made in America.

Will Same - Manufacturer and exporter who have engaged in RF field , CATV , Telecom products field in Taiwan since 1990. Lightning Surge Protectors and arrestor, signal splitters, distribution amplifiers

Wire Harness Assemblies - Printed Circuit Board, Custom Overmold Cable Assembly, Box Build, System Integration, Sheet Metal

G3IBI Antenna rotators - Carry a small stock of new and reconditioned parts for both rotators and control boxes for the following makes: CDE/HYGAIN , YAESU , STOLLE.

WoodBoxRadio - Innovative and totally devoted to Software Defined Radio, our Company is the Italian official distributur of FlexRadio Systems products, and EU distrubutor of Microtelecom products.

WSRotor - WSRotor v1 is a freeware windows talking rotator control program for the Prosistel CBOX Rotator Controller written for use of the visually impaired.

Shackbox - Complete hamradio linux livecd for amateur radio operator created by F0FAK

A simplified video control box - When one starts in amateur television, one begins with a small simple transmitter and a small camera. But very quickly, one needs to transmit audio signals with the pictures, then comes a second camera

Remote Coax Switch - 6x2 coaxial remote antenna switch, completed unit showing weatherproof relay box and station control unit.

Noise Cancelling Headphones - Review of common noise cancelling headphones for under $50.00 by WA4PGM

Hybrid antenna splitter - This scheme can be used to combine two antennas

Why You Need Lightning Protection - The need for lightning protection, how a lightning protection system works

Tools4SDR : SDR Collaborative website - Home page of Tools4SDR. Tools4SDR is a collaborative website about software defined radio (SDR), the universal software radio peripheral (USRP), opportunist radio, cognitive radio, software toolboxes for research and teaching in digital communications.