• Top Amateur Radio Websites - Issue 2320

    Updated: 2023-05-30 21:05:12
    Countries with CEPT Licence, BG2FX Amateur Radios, JBOT QRP linear amplifier, RF Inductor Calculator, DCF77 , JJY, 9X5RU Rwanda,

  • Top Amateur Radio Websites - Issue 2319

    Updated: 2023-05-30 21:05:12
    HF DXView Propagation Map, HF EFHW Antenna Antenna Tuner, A Morse Code Practice Oscillator, URE WebCluster, MSF radio time signal, Morse Code Practice Oscillator, CW Key-to-Rig Switch Box,

  • Top Amateur Radio Websites - Issue 2318

    Updated: 2023-05-30 21:05:12
    28 MHz Antenna Project, K1FM Mini Magnetic Loop, Portable 40m CW Transceiver , AircraftScatterSharp, 3B7M St Brandon DXPedition, HD8M Galapagos,

  • Top Amateur Radio Websites - Issue 2317

    Updated: 2023-05-30 21:05:12
    20 W HF Power Amplifier, Tri-Band VHF/UHF Antenna Design, Building The Fox-in-a-Box, Aircraft Scatter ACS, Airplane scattering, Taking a look at the 900 MHz band, Thevenin equivalent calculator,

  • Icom Announce ID-50 Compact Digital Dual Bander

    Updated: 2023-05-30 21:05:12
    The ID-50 is a compact VHF/UHF dual bander with both D-STAR and FM dual modes. Connecting to the D-STAR network, you can call a friend in another city, or other regions around the world with the ID-50. Smart functions such as Band Scope and Picture Sharing function enhance your QSO experience.

  • Shortened 30m Dipole

    Updated: 2023-05-30 21:05:12
    Antennas/30MThis article describes the construction of a 9,50 m long dipole for the 30 m band (10.1 MHz to 10.15 MHz). It was designed to be mounted ca. 6 m above ground inside an attic. The calculations were performed by OE1MEW

  • Mains RF Filter

    Updated: 2023-05-29 10:45:45
    Technical Reference/Radio Frequency Interference/Noise ReductionIf RF noise threatens to take your hobby away, this could be probably a good solution to reduce or even eliminate RF Noise.

  • Thunderstorm connected with Sporadic E propagation

    Updated: 2023-05-26 06:54:46
    Propagation/Sporadic ERecent researches seem to support the hypothesis that Sporadic E propagation could be connected to presence of thunderstorms.

  • Raspberry PI remote Ham Radio Server

    Updated: 2023-05-25 09:39:31
    Technical Reference/Raspberry PiRemote Ham Radio via WebRTC Audio Raspberry Pi 3. Stream Transceiver Audio to and from the remote station though a Browser using WebRTC.

  • QRZ.sh

    Updated: 2023-05-23 13:51:44
    Software/DatabasesThis script queries the QRZ.com callsign database and returns the result to the command line. A XML subscription plan with QRZ.com is required for full functionality. QRZ.com callsign data query script written in Bash

  • DIY Yagi Antenna

    Updated: 2023-05-22 10:55:55
    Antennas/YagiThis article describes the phases for the construction of a Yagi antenna. The calculations of the parameters are made using 4NEC2 software. This type of antenna is used for transmissions and receptions of electromagnetic waves. The project shown here refers to the frequency of 433.92 MHz.

  • Battery University

    Updated: 2023-05-21 08:04:00
    Technical Reference/BatteriesA free educational website offering hands-on battery information. The tutorials evaluate the advantages and limitations of diverse battery chemistries, advise on best choices, and suggest ways to extend life.

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