• Top Amateur Radio Websites - Issue 2320

    Updated: 2023-05-30 21:14:47
    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 21:14:47
    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 21:14:47
    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 21:14:47
    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 21:14:47
    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 21:14:47
    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 10:54:23
    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.

  • Portable Operating Tips for Ham Radios

    Updated: 2023-05-28 08:05:35
    Operating Modes/Portable OperationsThis article is from the book Ham Radio For Dummies and features some tips for portable amateur radio operations, on Field Day or generic outdoor operation, like selecting the proper antenna and portable power.

  • A High Performance RF Choke for the HF bands

    Updated: 2023-05-27 07:32:15
    Antennas/Feed Lines/ChokeHome brewing a high performance, high power common mode choke for HF bands

  • Thunderstorm connected with Sporadic E propagation

    Updated: 2023-05-26 07:29:09
    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 10:02:20
    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.

  • High Performance Common-Mode Chokes

    Updated: 2023-05-24 07:39:46
    Antennas/Feed Lines/ChokeThis article is an attempt to shed some light on this misunderstood component, covering topics like why you need a common mode coke, what it does, what properties it should have, ho to build one and how to measure its performance.

  • QRZ.sh

    Updated: 2023-05-23 14:31:35
    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

  • I be tempted

    Updated: 2023-05-23 11:17:00
    Pages Home Portable QRP Ops Morse Code Operating Mixed Media NJQRP Skeeter Hunt Suppliers Tuesday , May 23, 2023 I be tempted I'm not sure whether to give a tip o' the hat to Bob W3BBO for bringing this to my attention or Meet the QMX from QRP . Labs Its a 5 band multi mode QRP transceiver . Currently it only supports CW and the digital modes , but a future firmware update should include SSB . Here's a rundown on the : features 80, 60, 40, 30 and 20m CW and FSK Digi modes All features of QCX-mini VFO A B Split , RIT , Message and frequency memories , beacon , keyer 5W output at 9V supply can be built for 4-5W at 12-13V supply SWR bridge built in Single signal transmission zero unwanted sideband , zero residual carrier , zero intermodulation distortion Solid-state band switching and

  • Congratulations!

    Updated: 2023-05-22 13:19:00
    Pages Home Portable QRP Ops Morse Code Operating Mixed Media NJQRP Skeeter Hunt Suppliers Monday , May 22, 2023 Congratulations Congratulations are in order to John Shannon K3WWP and Tom Witherspoon K4SWL for being inducted into the QRP Hall of Fame at this year's Four Days in May event at . Hamvention It's nice to see some of the guys in the trenches being recognized for their contributions . nbsp John for his streak , super informative blog and his daily diary and for all his efforts to show how QRP , CW and simple antennas really and truly can get the job . done Tom for his excellent blog and all his inspiring videos to show the way to do it How to go about portable ops the right way and the way he shows how equipment works and how to use . it QRP-ARCI Leadership thanks so much for

  • DIY Yagi Antenna

    Updated: 2023-05-22 12:13:50
    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 11:51:22
    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.

  • An interesting video

    Updated: 2023-05-12 14:49:00
    Pages Home Portable QRP Ops Morse Code Operating Mixed Media NJQRP Skeeter Hunt Suppliers Friday , May 12, 2023 An interesting video I stumbled across this yesterday Several things stood out for : me 1 He had no real purpose for learning Morse Code in that he's not an Amateur Radio operator or intends to use it on a regular basis . He's learning Morse just for the experience . While I suppose that is a goal in and of itself , it seems to offer no sense of purpose or urgency , if you will . nbsp When you're learning something just for the halibut , rather than because you need to use it , you can afford to be blasé' about . it 2 He practiced when he was tired . Not a good way to go about it , in my humble opinion . Being relaxed is a good thing , but when you're dog tired , your mind .

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