Antenna Analyzers – Ask Dave Episode 1

DCU-3 Programmable Rotator Controller

January 10, 2015 No comments

  DCU-3 Programmable Rotator Controller6 Programmable memories; Point & shoot and manual control!DCU-3 Digital Controllers feature six presets for... Read more

ISS SSTV reception on a portable setup using RTL-SDR

December 20, 2014 No comments

On December 18 the Russian ARISS team members activated the amateur radio Slow Scan TV (SSTV) experiment from the International Space Station (ISS) on... Read more

Indonesia Earthquakes and Tsunami

September 30, 2018 No comments

Indonesia Earthquakes and Tsunami A sequence of earthquakes and a tsunami in the Indonesian areas of Donggala and Palu on 28th September have left hun... Read more

RSGB Strategy update [ Video ]

November 02, 2017 No comments

The RSGB launched its new five-year strategy in April 2017 and already it is having an impact on plans and activities across the organisation. In this... Read more

Updated TQSL configuration file released – LOTW

February 21, 2019 No comments

LOTW  Updated TQSL configuration file released (config.xml v11.7) — Config.xml version 11.7 has been released. This is a update release containi... Read more

VHF Handbook Available for Download

May 27, 2016 No comments

The new version of the IARU Region 1 VHF Handbook 7.50 covering VHF, UHF and Microwaves is now available for download. The handbook has chapters on Ba... Read more

Joe Spier, K6WAO, Resigns as AMSAT President

January 31, 2020 No comments

Joe Spier, K6WAO, has tendered his resignation as AMSAT President, citing personal reasons. Spier had served as AMSAT’s President since October 2017.... Read more

CubeSat’s Radio Interference Mission

November 09, 2015 No comments

By Caleb Henry Via Satellite 10-28-2015] NASA has selected the Chair and Professor of Ohio State’s Department of Electrical and Computer Engineering J... Read more

HF Mobile Antennas by Ham Nation

January 13, 2015 No comments

Gordon West (WB6NOA) talks about HF mobile antennas, and getting the feed-point impedance at 50 Ohms. Also covered, is a recommendation on the type of... Read more

M2 DRIVEN ELEMENT SCHEMATIC & TROUBLE SHOOTING

October 28, 2015 No comments

To check internal driven element block connections, remove balun, shorting bars, and feed coax/ phasing line. Test Steps: 1.Continuity: between block... Read more

InnovAntennas 5/7 (12) element 144/70MHz Yagi (2.4m)

November 04, 2018 No comments

InnovAntennas An Excellent Dual Band Yagi for 70/144MHz on a 2.4m boom and single feed point The 4-2-12 Dual Band Yagi has a total of 12 elements, 5 e... Read more

An amazing 3866.47 KM on 144MHz SSB between D4VHF and J69DS [ VIDEO]

April 15, 2020 No comments

An amazing 3866.47 KM on SSB between D4VHF and J69DS via #tropo on #2m #vhf band. Maybe a new mode world record? TNX @FransJr for the effort! #hamradi... Read more

The Chill of Solar Minimum

October 02, 2018 No comments

 Solar Cycle 25 Above: Layers of the atmosphere. Credit: NASA by DR.TONY PHILLIPS – spaceweather.com The sun is entering one of the deepest Sola... Read more

Update ! VK9WA – Willis Island

November 17, 2015 No comments

Willis Island Novermber 16 1200 GMT – . They reported that the receive antenna for 160 is not working and will have to wait until daylight to se... Read more

General Amateur Radio Exam part 13. Digital Modes pt 5, HF Antennas part 3 – Ham College 42

July 03, 2018 No comments

Read more