Amateur Radio

By Willi Kraml (OE1WKL) | Amateurfunk - Ham Radio

The FREE DX-World Weekly Bulletin #232 | DX-World

Here’s the very latest FREE DX-World Weekly Bulletin written by Bjorn, ON9CFG. As always it’s packed full of info and this week runs to 14 pages. You …

N4LQ 160-10 Multiband Doublet with Auto-Tuner. Post #1375.

If you can't view this video, please insert this title URL into your browser search box: https://www.youtube.com/watch?v=0jVVQ8ReQXA.<p>If you can have …

Garbsens Funker suchen Funker auf der ganzen Welt

Im Obergeschoss in der Grundschule Osterwald hat der Ortsverein der Amateurfunker Garbsen seinen Klubraum eingerichtet. Von dort aus sendet er …

Landkreis Vorpommern-Greifswald: Funkamateure im Landkreis stehen zu ihrem Wort

Landkreis Vorpommern-Greifswald. Die Unterstützung des Landkreises bei der Kommunikation im Krisenfall – diese Aufgabe haben sich die Funkamateure …

Vacuum capacitors – construction implications for Q

Vacuum capacitors are used for high end applications that require high voltage withstand and low loss.<p>Though they are called capacitors, and simple …

Engineering

GoFundMe Solar Field Station – FINAL STRETCH

Hello Operators<br>The GoFundMe campaign for the Solar-Powered Field Station has brought us closer to this dream than I would have imagined. As you may …

Portable

What Got You Interested in Radio? What Hooked You? (Story Time, with Video)

What got you interested in radio? What hooked you? I’ve been asked, “What got you interested in radio, space weather, and the science of radio-wave …

Amateur Radio

HF Propagation Prediction Tool

<i>LodeRunner sends the following guide to using the online propagation predictor tool. As most of you with HF experience likely know, the solar</i> …

North Carolina

“Funkamateur”-Jahreskalender zum freien Download

Hallo an alle.<p>Die Zeitschrift “Funkamateur” hat ihren Jahreskalender für das Jahr 2018 zum freien Download ins Internet gestellt.<p>Der Kalender enthält …

Zhou Enlai student satellite to launch

Zhou Enlai CubeSat<p>The 2U CubeSat <b>Zhou Enlai</b> 周恩来 developed with primary and middle school students is expected to launch on Friday, January 19, …

Exploration

Amateurfunk: MD380 & RT3 neue Funktionen des MD380tools

My project for the coming contest season. 1kw on 432. #hamr #hamradio #vhf #uhf #w6pql https://t.co/taOynY6ZSc

Two free issues of CQ Magazine available online

Between the two of these issues, the E31A DXpedition and the new (in the US) 630/2200-meter bands are discussed.<p>Enjoy:<p>CQ magazine - November 2018<p>CQ …

Introducing aprs2influxdb

We’ve been hard at work on #LaunchWithFaraday moving ever so closer to an awesome ham radio buoy. This pushed us to focus to improve telemetry …

Amateur Radio

3Y0Z The Bouvet Island DXpedition

DX Resources/DX Peditions/2018 DXpeditions<br>3Y0Z Bouvet island dx pedition 2018 IOTA AN - 002 aprox 20 January - 28 February 2018

Qatar

HamRacer - the unique synthesized voice keyer

HamRacer - the unique synthesized voice keyer - related links<p>We thought you might be interested also in these additional resources, currently listed …

Remembrance Day

Baofeng charger DC-DC converter

One of the insane things about some Baofeng hand held radios is that the charger cradle requires 10V DC, and malfunctions on car battery voltage.<p>The …

Arduino

How To Build A Lazy H Antenna. Post #1374.

If you can't view this video, please insert this title URL into your browser search box: https://www.youtube.com/watch?v=tcGdkyRTEEk.<p>If you have some …

60dBm.com 0.1-3000MHz Return Loss Bridge

This article is an expose of the internals of a 60dbm.com 0.1-3000MHz Return Loss Bridge available on eBay for around $17 incl post.<p>Above, the …

Bridges

TAARC Propagation Talk Jan 2018

<b>Thurrock Acorns ARC</b>’s club night on 16 January 2018 was on the subject of radio propagation.<p>The club’s membership had requested a talk on the …

Interview VA3MW, from Flex Radio talks to us about 4 new models of SDR HF Radios

Michael Walker, VA3MW, from Flex Radio talks to us about 4 new models of SDR HF Radios that are about to be released, and some cool new features they …

M328 LCR-T4 an updated version of M328 LCR Transistor tester.

I wrote about the original M328 Chinese kit sometime ago, which I had to build to prove to myself that VK3YE's capacitance offset error problem was a …

Arduino

Anticipating Winter Field Day Jan 27/28

In less than two weeks, it will be Winter Field Day. I have a campsite at Falling Waters State Park near Chipley Florida reserved for Friday and …

HL23N – Yonghung Island, AS-105 | DX-World

<b>HL23N</b> will be active from Yonghung Island AS-105 during January 20-21, 2018 to coincide with the Pyeong Chang Winter Olympic Games, South Korea. QRV …

South Korea

Got a lot accomplished

Just about everything that I wanted to get done this weekend, I did.<br>The highlight was getting on the radio on Monday. There wasn't much activity, but …

Weekly Propagation Forecast Bulletins

Product: Weekly Highlights and Forecasts<br>:Issued: 2018 Jan 15 0519 UTC<br># Prepared by the US Dept. of Commerce, NOAA, Space Weather Prediction Center<br># …

JT65-HF Configuration for uBITX by KD8CEC Amateur Radio

uBITX Configuration JT65-HF<p>JT65-HF Configuration for uBITX<p>Use CEC version firmware 0.25 or later of uBITX.<br>The following examples are based on version …

Amateur Radio

A Dualband 50/70MHz Yagi with single feedpoint – 5/7 (12) element 144/70MHz Yagi (2.4m)

<b>An Excellent Dual Band Yagi for 70/144MHz on a 2.4m boom and single feed point</b><p>The 4-2-12 Dual Band Yagi has a total of 12 elements, 5 elements are …

South Dakota

K5UR's "Note to Members" obfuscates rather than elucidates

Yesterday, ARRL president Rick Roderick, K5UR, complained that the ARRL’s Board of Directors—a group of hams, some of whom are well-intentioned, but …

Amateur Radio