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Building a 2.4GHz vertical collinear omnidirectional antenna

Vox Recorder is a specialized Windows utility designed for amateur radio operators, and radio listeners particularly those who use radio scanners. This software allows users to record audio from various sources, but it only activates when an audio signal is detected. This feature is particularly useful for avoiding the capture of silence or background noise, which can be common in radio scanning. By focusing on the audio signals, users can create cleaner recordings that are more relevant to their interests. The utility is user-friendly and tailored for hobbyists who want to document their radio listening experiences without the hassle of editing out silence later. Vox Recorder is an excellent tool for anyone involved in amateur radio, as it streamlines the recording process and enhances the overall experience of monitoring radio frequencies. Whether for personal use or for sharing with fellow enthusiasts, Vox Recorder helps ensure that every important transmission is captured effectively.

Popular ham radio packet windows application. By G4IDE (RIP)

Make your own VHF/UHF folded dipoles from aluminium tubing. Learn tips for folding yagi, softening the tubing, bending jig and make all waterproofing

G7EYT, Carl - G6NLC and Neil - M1NCD sucessfully completed a 14Km range check with 802.11B equipment and home built antenna's.

The word balun means balanced-unbalanced: it's used to adapt a balanced device to an unbalanced one, read more basic thory on Ununs and Baluns

Yagi plans and notes for 6m, 2m, 70cm and 23cm

Large frequency database of uk counties, includes forums and reviews

Indoor loop antenna for six meters band, project by Colen Harlow, G8BTK

An easy to build, compact antenna for wireless lan applications that offers a reasonable amount gain.

Logging software designed solely for Windows 95/98/ME/NT4/2000/XP/Vista/W7/W8/W10. The Author G0CUZ provides this software free to use by all Radio Amateurs and SWL's in true Ham Spirit. While Winlog32 serves as versatile logging software, it particularly emphasizes DX'ing on HF and VHF. It extensively tracks awards programs like DXCC, IOTA, WAZ, offering features expected from quality logging and DXing software. The software is freely downloadable, retaining full functionality without any restrictions. Users can distribute it individually, ensuring the original files remain unaltered, without any charges. Bulk distribution requires specific permission from the Author.

My short backfire antenna for 2.45ghz by carl rabe - g6nlc

Design your own antenna trap online

Homebrew VHF Yagi 50MHz 144MHz 432MHz 1296MHz 2320MHz 6M 2M 70CM 23CM 13CM Yagis

If you want a top-performance VHF/UHF Long Yagi, you will probably have to build it yourself.

SigJenny turns your PC into a flexible and powerful audio signal generator for free. It can create multiple waveforms, sweep, fire single or repeating tone bursts. You can save your sound as a wav file, display a frequency response, use SigJenny a bit like an oscilloscope, and do a very good impression of a police car!

World wide six meters beacon list

Complete plans and drawings to build a small 3 elements Yagi antenna for six meter band by Ken Willis

The calculation refers to either a loaded 1/4 wave or a loaded dipole,

Yagi beam plans for 144MHz band

Build a longwire antenna for 50 Mhz

PlanePlotter is a windows decoder of live digital position reports from aircraft and plots them on a chart. Using PlanePlotter, you can see a radar-like display of all those aircraft around you that are transmitting the appropriate digital messages including ACARS, ADS-B and HFDL. Full Trial available for 21 days.

A guide from 0 Hz to 30 MHz The main bands, all frequencies in MHz unless otherwise stated

G3JVL Six meters ground plane vertical is a compact antenna that is ideal for portable operations on 50 Mhz

Difona is a german base dealer for amateur radio transceivers, anntennas, PA, power supplies, accessories from several brands like Kenwood, ICOM, Yaesu, MFJ, ACOM, DAIWA, Diamond, DXSR, Alinco, Ameritron, ETM, Fritzel, UKW Technik, AOR, Bencher, Create, G.B., Heil, Hotline, Maldol, Tonna, Titanex, Outbacker, Hy-Gain, Mirage, SCS, SGC, SSB Elektronik

HF multiband mini delta compact and easy assembling antenna that cover from 20 to 10 meters by GM3VLB

This page discribes microphone wiring connections for most UK and foreign radios. Most U.S. radios are "Code Type 2".

FREE amateur radio logbook for Windows, Year 2000 compliant, Real-time or post-event data-entry, Produces QSL cards and address labels, Produces RSGB VHF-UHF-SHF Competition Log Sheet and more, by G7LFC

How to make a simple but effective Slim Jim antenna. It includes a calculator to work out all the mesurements for the frequency you require.

The latest and best yagi beams for 432MHz tested and optimized with NEC

This multiband wire antenna it is an off centre fed dipole, with 10 feet of vertical radiator, needs no tuner on 40m, 20m and 10m and works fine on all bands above 40m with a tuner, and even below 40m on 60m, and 80m.

Suitable antenna for owners of an IC706 or FT817, 857 and other HF portable transceivers. You can an be QRV in a few minutes on all ham-bands from 80m to 6m and even on 2m by PA0FBK

Explanation of antenna basics concepts like antenna gain at marc's technical pages

BeaconSee shows you, in real time, worldwide HF band openings on your PC. Analyses the audio signals from your radio, which is tuned to the NCDXF IARU HF beacon network and shows you the signal strength received from each of the 18 beacon transmitters as a plot of frequency spectrum against time.

A balun don't depend on use of ferrite beads, but use steel wool to attenuate any RF on the outer braid

Construction details for a simple but effective antenna for 2.45Ghz wireless lan use.

DSCdecoder decodes the DSC digital signals from ships and coast stations using the sound card in your PC. You need a suitable MF, HF or VHF band radio receiver tuned to one of the DSC distress and calling channels or to one of the Navtex channels

An HF QRP CW RTX built around the Arduino open-source electronics prototyping platform

Acars reformatting and route plotting program

A prototype 2.45ghz antenna for mobile use. This antenna has been u sed for surveying signal strength using a variety of free wlan tools.

G4NCE's illustrated vintage military wireless collection. Featuring British, Canadian and New Zealand Army eqpt, and Royal Air Force eqpt, from WW2 and the 1950's.

With Scancorder you can record and replay audio from your scanner using your computer soundcard. The audio is recorded digitally as a wave file, so that even digital modes can be re-processed or analysed later.

This was a project to make a dummy load or, as the finished thing is more correctly labelled, a fifty ohm resistive load.

Converts your logs into ADIF (Shacklog, EasyLog, PC-Profilog, LogPlus, DXLog, Log-Projekt, QW, UKWTEST, DAS LOG, HAM-LCT, Eurowinlog, StationMaster, Catlog, ARMAP95/98/2000, SPRINT, WinFD32, WAG, Fivenine, Excel Spreadsheet, CSV or TXT file; also ADIF to ASCII, import into RXCLUS DXCC and IOTA database, *.upf import file for IOTAMEM2 and many other features)

Homebrewina a multiband windom antenna

A friendly dx net who welcomes new comers to amateur radio and the serious dxer alike; Daily from 2000gmt on 14.208mhz. Listen the net live.

A moxon antenna project for 40 and 30 meters

A site for collectors, users, restorers of the historic World War Two radio, The Wireless Set No. 19, built in the UK and Canada, and used by many Allied armies.

BBC World Service England UK web site

On-line single-layer coil designer