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Antennas : 40M : 40 meter Dipole Antennas
  • Ham radio 40-meter dipole: your first antenna - How to home made a custom home made dipole antenna for the 40 meters band, just 66 feet long. Enjoy the band openings during the evening and play morse code or digital modes on this magic band.
    [ Hits: 198 | Votes: 0 | Rating: 0 ]
Antennas : Dipole
  • The half-wave dipole, your first antenna - Construction tips of a basic wire antenna, the half wave dipole. Inverted V dipoles and effects of inverted v on radiation pattern.
    [ Hits: 234 | Votes: 1 | Rating: 9 ]
Antennas : Horn
  • What is Horn Antenna - Horn Antenna - The energy of the beam when slowly transform into radiation, the losses are reduced and the focussing of the beam improves. A Horn antenna may be considered as a flared out wave guide, by which the directivity is improved and the diffraction is reduced. One of the first horn antennas was constructed in 1897 by Bengali-Indian radio researcher Jagadish Chandra Bose in his pioneering experiments with microwaves. The modern horn antenna was invented independently in 1938 by Wilmer Barrow and G. C. Southworth. This Horn model antenna is suitable employed in the UHF or SHF radio bands. Making this horn model antenna it will be easy for a beginner to make if it works in the 10GHz frequency, because small dimensions so it is not so difficult and also offers gain up to 25dBi.
    [ Hits: 74 | Votes: 0 | Rating: 0 ]
Manufacturers : Antennas : HF : Vertical Antennas
  • Sommer Antennas - Sommer Antennas has been a manufacturer and producer of quality amateur radio antennas and antennas for professional use for more than 20 years.Developed by DJ2UT in Germany, our beams were first introduced to the U.S. market at the 1984 Dayton Hamvention
    [ Hits: 250 | Votes: 0 | Rating: 0 ]
Operating Aids : Maps
  • World Grid Square Map PDF  updated - 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: 3269 | Votes: 14 | Rating: 7.15 ]
  • Interactive Worldwide Map of Amateur Radio and more - The first interactive map of amateur radio repeaters and more updated in REAL TIME.
    [ Hits: 427 | Votes: 7 | Rating: 9.72 ]
Operating Modes : NPR New Packet Radio
  • Introduction to NPR New Packet Radio - Presentation - A Quick start guide to NPR New Packet Radio on 70 cm band by the NPR author Guillaume F4HDK. This presentation introducte basic concepts of this niew digital protocol, and guide the user to the first modem configuration both of client and master modems. Includes a final recap of commands.
    [ Hits: 382 | Votes: 2 | Rating: 6 ]
Radio Equipment : HF Transceivers : Yaesu FT-818
  • Yaesu FT-818 Review - An owner point of view of the Yaesu FT-818 QRP transceiver capable to work HF VHF UHF in CW, AM, LSB, USB, FM, PACKET.
    [ Hits: 34 | Votes: 1 | Rating: 9 ]
Radio Equipment : HF Transceivers : Yaesu FTDX101 Shopping and Services : QSL Printing
  • LZ QSL Printing Service - LZ QSL printing serivice have more than 25 years experience with QSL printing. First started as Gold Print Service in 1997 presented by LZ3HI. It provides other printed products for commercial or personal use such as Amateur Radio World Map, Eyeball cards, Business cards, Calendars, Posters, Flyers, Pens etc
    [ Hits: 27 | Votes: 2 | Rating: 10 ]
Software : Internet Linking
  • AllScan - AllScan is a free and open-source web app for AllStar nodes that provides Favorites Management features, AllStarLink Stats integration, and connection monitoring and control functions. Shows your favorites in a Dashboard summary table with Keyed status, Connected Node count and other statistics. Continually scans the status of each favorite using ASL's Stats API data showing which favorites are active and have recently been active. Allows favorites to be connected with a single click (optionally automatically disconnecting any currently connected nodes first). Allows the Favorites Table to be sorted by Node#, Name, Description, Location, etc. Favorites can be added/deleted simply by entering the node# and clicking a button. These features finally give AllStar nodes similar memory management and scan capabilities that analog radios have had for decades. AllScan is mobile-friendly and optimized for ease of use on both small and large screens. AllScan follows the latest web development standards, with PHP, JavaScript, HTML, and CSS cleanly partitioned, runs on both ASL and HamVOIP, and is very easy to install, configure, and update.
    [ Hits: 20 | Votes: 1 | Rating: 8 ]
Software : Logging
  • Ham365 - ham365 is an independent online logbook, free for all Amateur Radio Operators. First launched in December 2008 as the online logbook of Ham Radio Deluxe, it is now integrated with many other logbook programs. Share own logbook over the net.
    [ Hits: 148 | Votes: 0 | Rating: 0 ]
  • SWLog - Shortwave and Amateur Radio Log (SWLog) is a modern suite of applications that provide logging and remote control for amateur radio and shortwave, utility, and broadcast listening. SWLog has been continuously improved and expanded since it was first released in 1988. SWLog is a suite of products that provides logging, radio control, GPS synchronization, QSL management, reporting, and propagation prediction. Program schedules from HFCC, ILGRadio, AOKI, ADDX, SWSkeds, EiBi, and others are leveraged for broadcast reception. Call sign lookups and remote logbooks are integrated with ClubLog, eQSL, QRZ, Ham365, HamQTH, and LoTW. SWLog provides Android and iOS applications for logging on the go as well as web servers for logging and remote control from anywhere. SWLog works on Windows, Linux, iOS and Android
    [ Hits: 107 | Votes: 0 | Rating: 0 ]

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