TI9/TI2HMJ – Cocos Island

Day 7 Book Bundle – ARRL

December 17, 2019 No comments

Understanding Your Antenna Analyzer, ARRL Guide to Antenna Tuners, and Care and Feeding of Transmission Lines. Get ALL 3 for Only $50 – SAVE $20... Read more

Radio Wave Properties: Electric and Magnetic Dipole Antennae

July 16, 2021 No comments

“An HP model 3200B VHF Oscillator and ENI model 5100-L NMR RF Broadband Power Amplifier provide a 300 MHz signal to a half-wave dipole antenna.... Read more

Home-Brew HF SDR Receiver by G0ETP

February 26, 2017 No comments

Key Features There are a lot of home brew SDR-related projects on the internet at the moment. I believe the key features of this project are: Small bu... Read more

Yaesu announced the FT-70DR

March 21, 2017 No comments

Yaesu FT-70DR C4FM FDMA / FM 144/430 MHz DUAL BAND 5W Handheld Transceiver The FT-70DR is a compact System Fusion transceiver providing both conventio... Read more

R&S®M3TR Software Defined Radios – 1.5MHz to 512MHz

October 05, 2015 No comments

R&S®M3TR Software Defined Radios The challenge Today’s military missions are characterized by joint operations of multinational armed forces... Read more

APRS Mobile Communications by VE6AB

March 09, 2015 No comments

  APRS Mobile Communications One of the main features of my mobile is a Automatic Packet Reporting System (APRS). APRS is a digital communication... Read more

A GASH IN THE SUN’S ATMOSPHERE

March 14, 2018 No comments

 A canyon-like hole has opened in the sun’s atmosphere, and it is spewing a broad stream of solar wind toward Earth. NASA’s Solar Dynamics... Read more

Wolf River Coil Take It Along With Chameleon SS17 Ham Radio Antenna Whip

February 05, 2021 No comments

Lets talk about my thoughts on the Wolf River Coils Take It Along 1000 and what its like adding a Chameleon Cha-SS17 whip. Read more

New ARRL Handbook, Antenna Book Editions Now Shipping

October 07, 2015 No comments

The 2016 edition of The ARRL Handbook and 23rd edition of The ARRL Antenna Book are now shipping. While supplies last, you can get the hardcover editi... Read more

Russian OTH Radar Now Reported to be “Everywhere”

November 13, 2019 No comments

[UPDATED and CORRECTED @ 1625 UTC on November 2019] The latest International Amateur Radio Union Region 1 Monitoring System (IARUMS) newsletter report... Read more

ARRL Field Day 2015 Results Now Available

October 28, 2015 No comments

ARRL Field Day Results of ARRL Field Day 2015 now are available. These include the searchable scores database, the soapbox link, and the QST results a... Read more

MFJ-269C Testing Coax Cable Faults and Length

April 28, 2017 No comments

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Japan’s smallest and lightest 1KW linear amplifier – AZR-1000

September 03, 2019 No comments

AZR-1000 is a lightweight HF band linear amplifier with a total power of about 13kg and external dimensions (W) 30cm (H) 14cm (D) 40cm with a switchin... Read more

“WOW Signal” Documentary Now Available Online

February 12, 2020 No comments

Retired Ohio State University Professor Robert Dixon, W8ERD, says a documentary about the 1977 discovery of a signal from the cosmos detected by the O... Read more

Elecraft K4 – High Performance Direct Sampling SDR

May 16, 2019 No comments

Elecraft K4 OVERVIEW A direct-sampling SDR you’ll love to use Our new K4 harnesses the latest in signal processing while retaining the best aspects of... Read more

Reshaping ARRL Objectives, Refocusing ARRL HQ Structure is New CEO’s Goal

February 07, 2019 No comments

A plan by ARRL CEO Howard Michel, WB2ITX, to reshape and reorganize the management structure at ARRL Headquarters will go into effect on Monday, Febru... Read more