short wave


short wave

290 links - and 11 categories

Antennas : End-Fed
  • Multi-Band End-Fed Antenna Design for Limited Space - This document details the construction of a multi-band end-fed antenna, suitable for situations with limited space for larger antennas. The design utilizes a 1:49 to 1:60 impedance transformer to match a half-wave wire antenna fed at one end. Compared to a traditional dipole, this antenna resembles a highly unbalanced Windom antenna with one very long leg and a virtual short leg. The design eliminates the need for radials but relies on the coax cable shield for grounding. The document recommends using at least 10 meters of coax and installing a common mode filter at the entry point to the shack for improved performance.
    [ Hits: 76 | Votes: 0 | Rating: 0 ]
Antennas : Magnetic Loop
  • Short receiving loop antenna - This page is a project for a small loop antenna for reception of short wave broadcasting. It is in Portuguese and contains pictures and schematics to build your own antenna
    [ Hits: 120 | Votes: 1 | Rating: 10 ]
Antennas : Shortwave
  • Active 3-30 MHz Hula-Loop Antenna for Shortwave - This active antenna for the shortwave band provides surprising performance, even indoors. As the name implies, the main loop is made from a Hula-Hoop with the metallic paint stripped off and a single turn of 14AWG copper wire inserted inside the hoop.
    [ Hits: 159 | Votes: 1 | Rating: 10 ]
  • Dual-Band X-Frame Shortwave RX Loop Antenna - A dual band X-frame wire antenna made using 4 turns for response down to 3 MHz or so, and 2 turns (switched) for response up to around 18 MHz. The loop configurations are tuned using common eBay 365 pF tuning caps.
    [ Hits: 148 | Votes: 1 | Rating: 10 ]
Radio Equipment : HF Transceivers : Yaesu FT-710
  • Yaesu FT-710 review - The Yaesu FT-710 is Yaesu s compact, shortwave transceiver that uses the SDR technology known from FT-DX101 and FT-DX10, which is a great fit for our fast-paced, comfortable world. The FT-710 is a perfect entry-level device. If you're thinking of buying a compact transceiver with SDR technology, it is a good choice.
    [ Hits: 87 | Votes: 1 | Rating: 8 ]
Shortwave Radio : Broadcasters
  • ShortwaveDB Map - Worldwide Map of shortwave transmitters. Based on shortwave schedule database, this website let you serarch using filters for broadcasts schedule and at the same time to diplay the transmitter map.
    [ Hits: 87 | Votes: 0 | Rating: 0 ]
Shortwave Radio : SWL Resources
  • SWL contest MW and SWL - The goal of this SWL contest is to listen a maximum of countries on medium wave and shortwave (AM radios) The winners will receive nice gift from our sponsors.
    [ Hits: 19 | Votes: 1 | Rating: 10 ]
Software : Linux : Linux Distributions
  • Skywave Linux - Linux for shortwave and amateur radio monitoring. Supports popular SDR hardware and online streaming from KiwiSDR, WebSDR, and Spyserver sites. Articles about using Linux with your SDR devices.Skywave Linux, an innovative operating system, leverages cutting-edge technology for seamless access to radio signals globally. Ideal for regions with limited internet access, it effortlessly connects to a network of SDR servers, offering high-performance SDR operation without the need for extensive hardware. With pre-installed and configured SDR software, Skywave Linux simplifies signal discovery and operation for all users.
    [ Hits: 287 | Votes: 0 | Rating: 0 ]
Software : Logging
  • 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: 111 | Votes: 0 | Rating: 0 ]
Technical Reference : AI Ham Radio
  • AI-Powered Radio Signal Cleanup: Battling QRM in Real Time - Amateur radio enthusiast Jean-Paul Suijs discusses combating manmade noise (QRM) in radio signals using AI. Detailing experiments with phase-shifting techniques and the self-learning nature of AI, he explores AI-based audio processing apps for real-time noise cancellation during radio contests, demonstrating results on both medium wave and shortwave bands.
    [ Hits: 71 | Votes: 0 | Rating: 0 ]

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