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Dedicated to 50MHz and 144MHz. Online 2m and 6m logs. Real Audio sound clips of Tropo, Aurora, Sporadic E, Meteor Scatter, TEP and F2 Propagation. -
The RoadTrek design presents some unique challenges to us hams. Here an example of a VHF and HF antenna installation on a VAN -
The santa cruz county amateur radio club. activities, the newsletter short skip, events, links and other happenings about amateur radio. -
A PDF File of a Maria Maluca multiband HF antenna with schematic diagram, dimension and plan -
The Smith Chart program with its extensive Help files. Written in Visual C++ ver 1.5, it runs in Windows 3.1 and later by w9dmk -
Schematic for AR-8000 programming cable -
CommCat Mobile is a free integrated spot management, remote radio control, and logging app for the iPhone. CommCat is required for remote control. -
Links and sources of information about our club in Ventura County, California -
K0GKJ project of a copper tube slim jim antenna for two meter band -
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A cooperative venture between MSUARC and Calloway County Fire and Rescue -
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Live Fire/EMS feed from Eastern King County, WA as dispatched by Eastside Communications -
EXTFSK.DLL is an MMTTY extension that interfaces MMTTY to a user-made hardware device via serial port, parallel port or USB -
A simple fixed frequency SSB voice transceiver for the 7 MHz amateur band -
QSL Information Pages QIP for BC-DXers - more than 50000 qsl logs from more than 10000 BC-DX radio stations -
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Ham radio frequency list consolidation software. The Ham Radio database can house a unlimited number of records. Holding frequency information from DC to Daylight. The Radio Scanner Database is designed to emulate a radio scanner. A 5,000 record table is provided and is organized by channel number. -
Youtube video about Yaesu Vertex VX-6R -
Pictures and description for a perfect soldering.A tutorial on soldering technique includes videos. -
Problem width the memories, TS-570 Batteries, MARS/CAP Modification -
VHF, ms, aurora, es, photos, audio, link, soft and more. -
High quality VHF/UHF Yagi (directional) antennas -
The Arduino series of boards is currently the ideal choice for a satellite rotor controller. This controller uses an extended Yaesu GS-232 command set to control a Yaesu G-5500 Az-El rotor and four SPDT relays by W9KE -
Cannot record CW message, AFSK not working, tracking not working, meter peak hold, on Yaesu FT-920. -
Competent all-around 2-meter mobile transceiver, review by W4TI -
Various configurations of the Z Match Tuner are tested for power efficiency over a wide range of antenna load conditions -
Don't neglect one of the most important parts of your station! -
A lightweight portable vertical antenna for 40m -
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GPS module for Yaesu VX-8DR/DE handheld transceivers with ublox NEO-6M chip and Arduino Nano. -
The Mt.Vaca Radio Club (Call sign K6MVR ) owns and operates repeater systems in and around Sacramento, California. The systems provide reliable coverage for mobile stations throughout the Sacramento Valley region and beyond to Modesto, Chico, the Sierras, and parts of the Bay Area. -
Amateur Shortwave Radios Links and information,Also Swap Radio Groups Bearcat-scanner Drake Radios Hallicrafters and more -
Ferrite rod antenna or aerial, a form of RF antenna that is widely used in RFID and transistor radio applications. -
QSL printing service based Bulgaria and managed by LZ1JZ, offer from single color to full color qsl cards. -
An online javascript calculator for cubical quad antennas, simply input the resonating frequency to calculcate up to a five element quad antenna. This quad antenna calculator let you determine the total length of each element and spacing among elements. -
"The DSWCI was founded 1956 and has members in 36 countries all over the world. The member bulletin ""Shortwavenews"" is published regularly in english." -
The 10-minute, 25-second video demonstrates making a QSO via the VO-52 amateur radio satellite, focusing on real-time Doppler shift correction. It features Simon, 2E0HTS, operating a Yaesu FT-847 transceiver and a homebrew dual-band Yagi antenna, specifically a 10-element 435 MHz Yagi for uplink and an IO Loop for 145 MHz downlink. The video visually details the operator's technique for continuously adjusting the uplink frequency to compensate for the satellite's changing velocity relative to the ground station, a critical aspect of successful satellite communication. The demonstration highlights the practical application of Doppler compensation, showing the operator tuning the transmit frequency to maintain a stable received signal from the satellite. This approach contrasts with systems employing automatic Doppler correction or full-duplex operation, providing insight into manual frequency management for satellite passes. The video serves as a direct, observational guide for hams interested in LEO satellite operations, particularly those using non-tracking, manually tuned setups. -
What become our QSL once sent ? QSL routes, IRC and green stamps, the best and worst practices. -
This electronic board will be installed over a Raspberry Pi CPU card to provide a repeater controler. All features are software controlled with the famous SVXLINK and other interessed modules. -
Mods.dk pictures of the Yaesu VX-8R -
Enhanced SSB Audio (ESSB) is a specialized operating mode that extends the capabilities of traditional Single Sideband (SSB) voice transmissions. This presentation by K4QKY delves into the technical aspects of ESSB, discussing its advantages and the ongoing debates within the ham radio community regarding audio quality and bandwidth usage. ESSB aims to provide clearer and more natural-sounding audio, which can enhance the overall communication experience for operators. The presentation covers various topics, including microphone selection, audio processing techniques, and the importance of proper equalization. It also addresses the controversies surrounding ESSB, such as the potential for interference and the debate over whether it strays too far from traditional SSB practices. By understanding these elements, amateur radio operators can make informed decisions about their audio setups and contribute to discussions about the future of SSB operations. -
Building a 1:1 balun, aka un-un, with an Amidon Ferrite toroid core T 200 -
Special test lead that converts your regular DC voltmeter to a RF reading voltmeter -
conversion of low band VHF AWA RT-85 transceiver down to 6 metres. -
A google map of the UK amateur radio repeaters with clickable information -
Making portable pperations easier, N1GY present a different way to make a tilt-base and mast -
W0FMS Two-Wire Beverage (SWA) Transformer Calculator