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Antennas : J-Pole- Exploring The J-Pole Antenna
- The J-Pole antenna is a common omnidirectional antenna used in amateur radio, particularly on the VHF and UHF bands. This article is an attempt to explore how the J-pole antenna transforms feed-line impedance to free-space impedance, all the while providing gain found only in the more expensive commercial products.
[ Hits: 143 | Votes: 0 | Rating: 0 ]
- HamFM Classifieds
- 100% free eBay like classified listings for any ham radio operator. Search filters for distance and item category.
[ Hits: 179 | Votes: 0 | Rating: 0 ]
- Ham Radio Clip Art by GoGraph
- A collection of ham radio clip art royalty free. Additional amateur radio clip art can be found changing the search terms.
[ Hits: 153 | Votes: 0 | Rating: 0 ]
- Hands Free - Radcom Labs
- The SAFE SPEAK HF3 is the third generation of a unique Hands-Free microphone system for two-way radio communications. The HF3 can be used with almost any radio transceiver and is ideal for permanent installation in a vehicle or temporary use during emergencies or special events.
[ Hits: 176 | Votes: 1 | Rating: 10 ]
- Welcome to Amateur Radio for Newcomers
- A complete guide for newcomers edited by the Radio Amateur Society of Australia Inc.
This free PDF includes several basic articles for new hams, with particular reference to Australian regulations, but is however a good guide for those who are aproaching the hobby worldwide.
[ Hits: 429 | Votes: 0 | Rating: 0 ]
- WW Locator Map of Italy
- Amateur radio map of Italy with WW locators, provinces abbreviations and Call sign Prefixes, in a A3 size PDF file free to download, made available by IU3KJL Davide
[ Hits: 380 | Votes: 4 | Rating: 7.75 ]
- World Grid Square Map PDF
- This free PDF file contains two Worldwide grid square maps. The first map displays the fields (first two letters of a maidenhead locator) while the second includes also squares (third and fourth digit) and it can be useful to determine what is your ham radio grid square. PDF file can be enlarged and scaled to A3 and higher dimensions.
[ Hits: 3303 | Votes: 14 | Rating: 7.15 ]
- F5RDS remote station setup
- An example of a remote station setup. Author give a few hints and tricks on how to setup a remote amateur radio station using standard commercial equipment and a Kenwood TS-480SAT
[ Hits: 213 | Votes: 0 | Rating: 0 ]
- Thunderstorms Causing Sporadic E
- A Case For Thunderstorms Causing Sporadic E on 6 Meters. In Propagation and Radio Science, Eric Nichols explains one possible mechanism is thunderstorms that are strong enough to break electrons free forming a cloud of free electrons.
[ Hits: 82 | Votes: 0 | Rating: 0 ]
- IC706_BKT CAT Icom Radio Control
- IC706_BKT CAT is used to control the transceiver Icom IC-706, IC-706MKII IC-706MKII/G and IC-718 from the personal computer. Works on Windows and is available in free and free donation version
[ Hits: 362 | Votes: 0 | Rating: 0 ]
- Yaesu FT-991 Memory Manager
- Free memory management software for the Yaesu FT-991 and FT-991A models. It runs only on Windows 7, 8, 8.1, 10 both 32 and 64 bits, it also permits basic remote control features and allow backup and restore settings and memories. Documentation in mainly in French.
[ Hits: 1420 | Votes: 7 | Rating: 6.61 ]
- Daki Funkversand
- Daki Funkversand is a German based web shop for Amateur- & CB-Radio equipment. Our shop includes products such as radios, antennas, equipment, PMR, LPD & Freenet.
[ Hits: 331 | Votes: 1 | Rating: 10 ]
- ZenitPCB
- An excellent tool to create, design printed circuit boards in a simple and easy to learn way. ZenitPCB is free for personal and amateur use, limited to 1000 pins, that is more than enought for any amateur radio electronic project
[ Hits: 142 | Votes: 1 | Rating: 8 ]
- LogHX freeware logger software
- LogHX is a freeware windows ham radio logger software, designed as complete Ham Radio environment. Radio control interface, online log book interfaces, cluster access, adif and cabrillo exports, antenna rotor control, Digital CW and SSB macros, full QSL management
[ Hits: 735 | Votes: 4 | Rating: 9.5 ]
- AirHamLog - Online Amateur Radio Logbook
- AirHamLog is a modern logging software for amateur ham radio operators.
The software works inside your browser, making it possible for you to use with any device connected to the internet.
AirHamLog currently supports Windows, MacOS, Linux, iOS, and Android that works with modern browsers. AirHamLog has ability to export QSL cards as PDF files.
All of your log data is stored on the cloud. You can start using AirHamLog for free today
[ Hits: 549 | Votes: 1 | Rating: 10 ]
- Soundmodem UZ7HO
- Soundmodem is a free software defined dual-port Packet-Radio TNC that implement a soundcard as a modem and supports AX.25 protocol. Soundmodem has been tested on Windows XP, Vista, 7, 8, 10 and has proved stable in operation. The Soundmodem may be used to build EMCOMM, APRS, BBS, Node station, for satellites
[ Hits: 607 | Votes: 1 | Rating: 1 ]
- 2Tone - RTTY Engine
- 2tone is a free RTTY software engine for windows that can be interfaced by several ham radio programs like N1MM WriteLog QARtest and others
[ Hits: 557 | Votes: 3 | Rating: 5.33 ]
- dmrconfig - DMR Radio Programming Utility
- DMRconfig is a free utility for programming digital radios via USB programming cable. DMRConfig support several DMR transceivers by TYT, Baofeng, Anytone, BTECH, Zastone, Radtel.
[ Hits: 652 | Votes: 4 | Rating: 8.25 ]
- Free ham radio utilities written in LabVIEW
- Free ham radio utilities written in LabVIEW includes Open Wire Calculator, Dipole Peak/Null Angle Calculator, a Coil-Shortened Antenna Calculator ad interesting Round Coil Inductance Calculator and a Skyloop Antenna Calculator
[ Hits: 294 | Votes: 2 | Rating: 5.5 ]
- VSP Manager
- VSP Manager is a software program that creates serial port pairs which allows software programs to talk to each other using Cat commands. This virtual com port emulator is offered FREE to Ham Radio Operators.
[ Hits: 930 | Votes: 4 | Rating: 3 ]
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