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Morse Tutor is a DOS based program written in C++. It can be used to practice morse code. Various options are available. Morse tutor with Complete Source Code and Binary is available for Download (32KB). -
A three-frequency multi-band dipole that can be extended easily to additional bands. This article includes a multiband fan-dipole antenna for 80-40-20-10 meter band. -
Online shopping, Programming Software, Icom, Yaesu, Kenwood, Istron, HyGain, MFJ, cat cables interfaces and other radio control cables. -
Build this simple and cheap 70 MHz Exciter and start to transmit Digital Television by Jean-Francois Fourcadier -
A well documented article on a small magnetic loop antenna for the 40 meters band -
RF engineering solutions, HF VHF antenna systems and radio communications equipment. -
About numbers stations, and their criptic transmissions, where to listen to them and some audio recording samples by fascinating shortwaves -
Listen to live Digital Police Radio's from Martin and St Lucie County -
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This is a popular antenna design as the performance is very good across the HF bands and requires little or no tuning. It is a dipole fed off center with a 4:1 current balun at the offset feedpoint. The antenna shown covers 80, 40, 20 and 10 meters with 15 meters and WARC bands -
QSL extra offers QSL informations for every ardent dxer, with over 30.000 entries. -
a comprehensive listing of both Military and Civil HF networks from Australia and it's surrounding neighbours as well as from countries around the world. -
Some antenna manufacturers place baluns at the incorrect location in LPDA arrays, or tell you to route the cable incorrectly. This can cause substantial RFI and all sorts of weird problems like RF into house wiring. -
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The Upside-Down Umbrella Antenna by Don Keith N4KC -
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Two 50 Mhz amplifiers and antenna switch -
New User Tips for VHF-UHF Operation by Dave Schultheis WB6KHP -
UM58 a regenerative receiver project -
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A multi band version of the EH antenna by Emilio S. Campus IS0IEK -
The ZS6BKW wire antenna, a variant of the G5RV, utilizes a specific 13m (42.6 ft) length of 450-ohm window line as its matching section, feeding a 28.5m (93.5 ft) flat-top element. This design aims for lower SWR on 40m, 20m, 17m, 12m, and 10m compared to a standard G5RV, often achieving SWR values below 1.5:1 on these bands without an antenna tuner. The feedpoint impedance transformation provided by the window line allows for direct connection to 50-ohm coax on multiple bands. F4FHH's experience involved constructing the ZS6BKW and evaluating its performance against an _OCF dipole_ (Off-Center Fed) on various HF frequencies. The article includes observations on SWR readings and operational effectiveness, highlighting the ZS6BKW's suitability for multi-band operation. The antenna's overall length, including the flat-top and window line, is approximately **41.5 meters** (136 feet), making it a significant wire antenna for fixed station use. Comparative analysis with the OCF dipole provided practical insights into the ZS6BKW's advantages and limitations, particularly concerning bandwidth and tuner requirements. -
A free application that searches more than 100 web-accessible sources to locate QSL information for a callsign that you enter once -
Schematic Manual of the 3 element Yagi antenna by ECO antenne -
BktTimeSync synchronizes the PC time using an internet time server (NTP server) or a GPS receiver connected to USB, serial port or Bluetooth. Great for use with digital modes like FT8, JT65, JT9, JS8Call and others. For the operation of this program requires an active internet connection or a GPS receiver. This program works on all versions of Windows 32 or 64 bit -
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Long path hf radio propagation is sometimes the best path to work dx, since the shortest path is not always the best path. -
A Windows freeware DX cluster client, allows you to monitor DX spots from users worldwide includes DX filtering and statical functions. -
Working with SDR#, adjusting frequency correction and basic setup. -
Need a variable power supply that is short circuit protected and over voltage protected; Here is a good one that can be built cheap by VE3IVJ -
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K6ZB Bruce presentation of technologies to allow ham radio operate via internet -
An home made trapped dipole antenna for 40 and 60 meters band by 2E0HTS -
KB1GW's collection of beverage antenna information -
Regenerative receiver for 5 amateur bands : 80 40 20 17 15m by F5LVG -
Win-EQF provides a comprehensive logging solution for amateur radio operators, integrating station control and DX resource management within a single application. It supports various operating modes and offers features for efficient logbook management, essential for contesters and DXers alike. The software is designed to streamline the process of recording contacts and managing station operations, which is crucial for achieving awards like **DXCC** or **WAZ**. Operators can utilize Win-EQF to maintain detailed records of their QSOs, track award progress, and interface with other station hardware. Its robust logging capabilities ensure accurate data capture for every contact, from basic information to specific contest exchanges. The program also facilitates the use of external DX resources, helping operators identify and pursue rare DX entities. This tool is particularly useful for those seeking to optimize their station workflow and enhance their overall operating experience. -
A rotateable dipole specifically for the 20m based on W3FF Buddipole design by ZR6KMD -
Generating Morse code audio files from text input is the primary function of _MorseGen v1.2_, a utility designed for amateur radio operators. The software allows users to specify the tone frequency and words-per-minute (WPM) speed for the generated CW. A key feature is its ability to create a WAVE audio file containing the Morse code, which can then be used in various applications. The program also supports repeating the generated CW sequence at user-defined intervals, making it particularly useful for creating station identification signals or beacons. The practical application of this tool extends to automated station identification, especially for repeaters or digital mode gateways that require a CW ident. By producing a standard _WAVE file_, the output is compatible with most audio playback systems and software. This functionality provides a straightforward method for integrating custom Morse code messages into existing amateur radio setups, eliminating the need for external hardware keyers for simple identification tasks. The adjustable parameters offer flexibility to match specific operational requirements or personal preferences for CW characteristics. -
yaesu radios community talk, impressions and comments about yaesu vx7r -
The following are the opinions expressed by various amateurs -
An amateur observatory using a 4 GHz TVRO antenna. -
Wholesale distributor of CB radios, parts, antennas, microphones, power supplies, crystals, echo boards, expanders, meters and CB accessories. -
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How to setup a Remote control ham radio station with Yaesu FT-8x7 radios via LAN or via internet. -
An interesting article about co-linear or collinear antenna building, by Karl Shoemaker, AK2O -
1.2-30V 1.5A variable regulated power supply -
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